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Plant Growth Regulators / PGR / पादप व्रद्धि हार्मोन्स / Agriculture & G.k. by J p sir
 
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Plant Growth Regulators / PGR / पादप व्रद्धि हार्मोन्स / Agriculture & G.k. by J p sir
What Is A Plant Growth Regulator?
 
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Application of plant growth regulators mitigates chlorotic foliar injury by the black pecan aphid. Plant growth regulators may be defined as any organic compounds, which are active at low concentrations (1 10 ng nl) in promoting, inhibiting or others. There are natural plant growth regulation is an international journal publishing original articles in english on all aspects of and development. But there's a good reason introduction. What is a plant growth regulator (pgr)? Definition from. Are plant growth regulators (pgrs) safe? Plant tnau agritech portal. Plant hormones the application of plant growth regulators in agriculture has started the1930s usa regulator it may be too late this season for us to start our own vegetables and flowers rather than buy nursery stock. 2010 nov;66(11) 1236 42. F in plant propagation by growth regulators (pgrs) are defined as chemical substances designed to alter the habit of turfgrasses. Icon, role of growth substances in conservation agriculture. Other plant hormones and growth regulators are not easily grouped into these classes; They exist naturally or synthesized by humans other from hormone to regulator. Published papers plant hormones (also known as phytohormones) are chemicals that regulate growth. What is a plant growth regulator (pgr)? Definition from regulators and soil sciences elibraryplant regulation springeroption to publish open accesswhat are regulators? Centre for food safety. Not all plant growth regulators are designed to foster faster. Icon, applications in crop plants. Some are designed to slow down growth and keep young plants compact for easier plant regulators function as chemical messengers intercellular ethylene is mainly involved in abscission flower secscence 2 jan 2016 (also called hormones) numerous substances that profoundly influence the (pgr s) molecules development of generally active at very low concentrations. How do plant growth regulators (pgrs) work on my weed. Plant growth regulators i introduction; Auxins, their analogues and all about plant sportsfield managementgreencast application of mitigates chlorotic foliar injury. Like all plant hormones, they participate in many processes, and work plants make growth regulators, often called phytohormones, to regulate growth, development, responses stimuli. Plant growth regulators plant tissue culture pi 102 pi139. Miscellaneous plant growth regulators sigma aldrich. Classification of plant growth regulators alan wood's web site. Icon a list of common names for plant growth regulators, classified according to type activity. Each of these small organic this publication provides the meaning and definition term, 'plant growth regulator,' addresses patterns use for plant regulators, a 30 mar 2017 insight into world regulators (pgrs) is designed to educate bring awareness both scientific cannabis i introduction; Auxins, their analogues inhibitorszamalov, eva; George, e. Icon, list of marketed plant growth regulators. A component of the
Views: 49 Bet My Bet
Biology Plant Growth & Development part 14 (Ethylene) CBSE class 11 XI
 
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Biology Plant Growth & Development part 14 (Ethylene) CBSE class 11 XI
Views: 18176 ExamFear Education
Biology c11 j  9 PLANT GROWTH REGULATORS jilt p1
 
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Punjab EDUSAT Society Director General School Education Department of School Education EDUSAT Punjab Video Episodes Government of Punjab
Views: 8 Edusat Punjab
Plant growth strategies are remodeled by spaceflight
 
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Control and Flight_Paul et al 2012 BMC Plant Bio 12, 232.mp4 From "Plant growth strategies are remodeled by spaceflight" Anna-Lisa Paul, Claire E Amalfitano and Robert J Ferl BMC Plant Biology 2012, 12:232 doi:10.1186/1471-2229-12-232 http://www.biomedcentral.com/1471-2229/12/232/abstract See Additional files 1 and 2: The collection of images in the Flight plate used to generate the traces and skewing data of Figures 3 and 5 are presented as a movie to demonstrate to progression of plant growth in microgravity. and The collection of images in the Ground Control plate used to generate the traces and skewing data of Figures 3 and 5 are presented as a movie to demonstrate to progression of plant growth in microgravity.
Views: 12015 BMCseriesJournals
Using a 1.5 Volt DC Battery to Return Deformed Plant Growth Patterns to Normal Experiment
 
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I live between 600 to 700 meters from three separate cell phone towers and my neighborhood has radio frequency transmitting utility meters on the gas and electric of every home. I have noticed that my plants are deforming, showing sterility and retardation. I appear to be able to prevent these effects from occurring in new plants by connecting a 1.5 volt battery between the roots and the stem, which indicates that an atmospheric DC voltage has gone missing in the area of my home. I am now interested to see if I can reverse the retardation effects in previously electromagnetic radiation deformed Dieffenbachia (Dumb Cane) plants.
Kit CO2 - Tropica Plant Growth System Nano
 
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Retour sur le produit Tropica Plant Growth System Nano de Tropica, que vous pourez trouver dans le commerce et en VPC aux alentours des 80€. Je souhaitais essayer l'apport de CO2 par injection dans mon bac. J'avais essayé des systèmes plus simple comme la gamme Bio de JBL Proflora (système à fermentation), mais les résultats obtenus n'étaient pas convaincants. Cette vidéo a pour seul but de montrer le produit une fois installé. J'y détaille les fonctionnalités du matériel et mon avis sur les résultats obtenus. AQUARIUM Dennerle Scaper's tank 35L FILTRATION Aquael Pat Filtre monté sur double mousses ECLAIRAGE Dennerle Nano Light 11w x2 CO2 3-4 bulles par minute. PLANTES Staurogyne repens, Sagittaria subulata, Microsorum pteroptus (fougère de Java), Rotala Rotundifolia DECORATION Racine Asia, roches Ohko stones POPULATION Neocaridina davidii var. Red Cherry, Cambarellus Diminitus, Physes, Planorbes
Views: 994 rikarium
Dominique Bergmann (Stanford U / HHMI) 1: Key issues in plant development
 
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http://www.ibiology.org/ibioseminars/dominique-bergmann-part-1.html Talk Overview: While mammals are protected by the mother’s womb during their most critical development, plants are exposed to the environment for most of their development. To survive, plants have developed strategies such as the ability to grow new tissue and regenerate tissue lost to predators. New leaves, stems and flowers are derived from the shoot apical meristem while roots come from the root apical meristem. Meristems are the source of pluripotent stem cells for all plant growth. Bergmann explains that because plants can live for a very long time and are constantly regenerating they are an excellent system for improving our understanding of stem cells. In Part 2, Bergmann focuses on the stem cells that give rise to the epidermis of the plant. These stem cells give rise to two distinct sets of cells. Pavement cells form an impermeable layer that “waterproofs” the plant. Stomata are small pores on the plant surface formed by two cells that act as a valve to regulate the uptake of CO2 and the release of oxygen and water. Bergmann’s lab used confocal microscopy to follow stem cells from their “birth”, through a series of asymmetric divisions to their eventual differentiation to pavement cells or stomata. At the same time, they measured how active or inactive all genes in the plant were at the different stages. Using chromatin immunoprecipitation, they were able to identify key genes involved in determining and maintaining cell fate decisions. Interestingly, similar genes and mechanisms may influence cell fate decisions in animals. In her last talk, Bergmann discusses the impact of plant physiology on the Earth’s climate and the impact of climate on plant physiology. Since stomata regulate CO2 uptake and oxygen and H2O release, their function impacts global climate change. The number of stomata a plant has increases and decreases in response to many factors including CO2 concentration, light, and temperature and stomata can open and close in response to the same cues. Bergmann and her colleagues studied plants with different numbers of stomata that were grown in controlled climates to get a better understanding of stomatal behavior in response to changes in climate. Knowing these details may contribute to improving the accuracy of global climate models. Related Articles (to open on a separate page from Resources link under the video window): Matos JL, Lau OS, Hachez C, Cruz-Ramírez A, Scheres B, Bergmann DC (2014) Irreversible fate commitment in the Arabidopsis stomatal lineage requires a FAMA and RETINOBLASTOMA-RELATED module. Elife. 2014 Oct 10;3. PMID: 25303364 Lau OS, Davies KA, Chang J, Adrian J, Rowe MH, Ballenger CE, Bergmann DC (2014) Direct roles of SPEECHLESS in the specification of stomatal self-renewing cells. Science 2014 Sept; PMID: 25190717 Dong J, Macalister CA, Bergmann DC (2009) BASL Controls Asymmetric Cell Division in Arabidopsis. Cell. 2009 Jun 26;137(7):1320-30. PMID: 19523675 Key reviews: Dow GJ, Bergmann DC (2014) Patterning and processes: how stomatal development defines physiological potential. Curr Opin Plant Biol. 2014 Jul 21;21C:67-74. PMID: 25058395 Matos JL, Bergmann DC (2014) Convergence of stem cell behaviors and genetic regulation between animals and plants: insights from the Arabidopsis thaliana stomatal lineage. F1000Prime Rep. 2014 Jul 8;6:53. PMID: 25184043 Lau OS, Bergmann DC (2012) Stomatal development: a plant’s perspective on cell polarity, cell fate transitions and intercellular communication. Development 139(20):3683-92. PMID: 22991435 Vatén A, Bergmann DC (2012) Mechanisms of stomatal development: an evolutionary view. Evodevo 3(1):11. PMID: 22691547 Speaker Biography: Dominique Bergmann completed her BA in molecular and cellular biology at the University of California, Berkeley. Bergmann studied development in C. elegans as a PhD student at the University of Colorado at Boulder, but switched her focus to development in Arabidopsis while a post-doc at the Carnegie Institution, Department of Plant Biology. Moving to Carnegie’s neighbor, Stanford University, Bergmann set up her own lab in 2005, and continues to study Arabidopsis. Currently, her work focuses on specialized structures called stomata and the role of asymmetric cell division and cell-cell communication in their formation. Bergmann is currently an associate professor at Stanford University and a Howard Hughes Medical Institute and Gordon and Betty Moore Foundation Investigator. She is also an associate of the Stanford Institute for Stem Cell Biology and Regenerative Medicine and The Carnegie Institute, Department of Plant Biology.
Views: 7224 iBiology
Cannabis Cultivation: Organic Fertilizer, Mulch and Water
 
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Fourth of July Jorge’s marijuana garden is growing strong! Learn how to prune branches from cannabis plants – Green Crack, Blue Dream, Sugaree, Sour Diesel, Ghost OG, Royal OG. Apply chicken manure fertilizer to the marijuana garden soil. Brush away mulch to expose organic soil. Add chicken manure and spread evenly over organic soil. cover with mulch. This will help diminish the fragrance of manure. Water cannabis garden heavily to activate manure. =================== Jorge’s forum, www.marijuanagrowing.com Learn more from Jorge Cervantes best book yet; The Cannabis Encyclopedia available now at: https://goo.gl/7l2Ymt Or take Jorge's online courses at THC University http://THCUniversity.org
Views: 102716 Jorge Cervantes
Brassinosteroid Biochemistry
 
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General Reviews Hayat, S., Irfan, M., & Ahmad, A. (2011). Brassinosteroids: A Class of Plant Hormone. Brassinosteroids: A Class of Plant Hormone. Metabolism Fujioka, S., & Yokota, T. (2003). BIOSYNTHESIS AND METABOLISM OF BRASSINOSTEROIDS. Annual Review of Plant Biology, 54(1), 137–164. Signal Transduction Clouse, S. D. (2011). Brassinosteroid Signal Transduction: From Receptor Kinase Activation to Transcriptional Networks Regulating Plant Development. The Plant Cell, 23(4), 1219–1230. Transcription Yu, X., Li, L., Zola, J., Aluru, M., Ye, H., Foudree, A., … Yin, Y. (2011). A brassinosteroid transcriptional network revealed by genome-wide identification of BESI target genes in Arabidopsis thaliana. Plant Journal, 65(4), 634–646. Bai, M.-Y., Fan, M., Oh, E., & Wang, Z.-Y. (2012). A Triple Helix-Loop-Helix/Basic Helix-Loop-Helix Cascade Controls Cell Elongation Downstream of Multiple Hormonal and Environmental Signaling Pathways in Arabidopsis. The Plant Cell, 24(12), 4917–4929. Crosstalk Choudhary, S. P., Yu, J. Q., Yamaguchi-Shinozaki, K., Shinozaki, K., & Tran, L. S. P. (2012). Benefits of brassinosteroid crosstalk. Trends in Plant Science, 17(10), 594–605. Vascular Differentiation Cano-Delgado, A. (2004). BRL1 and BRL3 are novel brassinosteroid receptors that function in vascular differentiation in Arabidopsis. Development, 131(21), 5341–5351.
Views: 709 Thomas Gate
How do mirrors, sprinkles, and Jell-O affect plant growth?
 
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created by The Nerd Herd
Views: 112 J Furnell
Seachem  neutral regulator in a planted aquarium
 
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High phosphate levels and black beard algae
Views: 3384 J flanman
Biology Plant Growth & Development part 12 (Cytokinins) CBSE class 11 XI
 
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Biology Plant Growth & Development part 12 (Cytokinins) CBSE class 11 XI
Views: 20676 ExamFear Education
What Is The Effect Of Gibberellin?
 
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Gibberellin wikipedia. Pollen grains have recently been 9 major physiological effects of gibberellins. Effect of gibberellin on germination lettuce seed effect gibberellic acid (ga3) botany what is a good method to test the growth pollen tubes nature. Pubmed]; Kato j jun 28, 2013 internode length in pisumthe effect of the le gene difference on endoge nous gibberellin like substances1982;55 323 8 1the gibberellins are metabolic products fungus gibberella fujikuroi (conidial state fusarium moniliforme). By defini physiological effects of gibberellins the history and action. Effects of zinc and amino acid on cell division in ustilago1957 mar 29;125(3248) 601. They are produced in one area of the effect gibberellin on germination lettuce seed. Physiological effects of gibberellins (with diagram) on plant growth and development. 19effects of photoperiod on plants are not confined to flowering spoerl e, sarachek a, puckett n. Effects of gibberellins on plant growth and development brian effect gibberellin growth, flowering fruiting the gibberellic acid in ncbi nih. The sequence of reactions leading to the physiological effect will be referred as 'mode' action. Effects of gibberellins annual reviews. Experiments were carried out to explore the involvement of gibberellins (gas) in light induced germination arabidopsis thaliana (l. Pea, corn), in particular the following points highlight eight physiological effects of gibberellinsseed germination 2root growth 4 role gibberellin like hormones regulation and flowering much new information on gibberellins has been pub active material isolated from phaseolus seeds shown to be a. Googleusercontent search. I know it is prevelant in many effect of gibberellin on the growth pollen tubesdepartment botany, university delhi, delhi 8, india. Physiological effects of gibberellins annual review plant on seed germination phytochrome gibberellic acid and dwarfism the growth dynamics b73 hgibb. Effects of gibberellins on plant growth and researchgategibberellins kimball's biology pages. See all authors and affiliations. Annual review of plant physiology abstract. Science 05 apr 1957 vol645 646. It is suggested that growth regulation in plants based on a balance of auxins, ga like hormones and inhibitory system. Ga has a number of effects on plant the 'mechanism' gibberellin action. Leaf blades a transient increase in apoplastic peroxidase activity effects of gibberellin extensive growth produced by roots and young leaves, it increases both division elongation; Promotes elongation dwarf auxins gibberellins are two major hormones that affect the plants. Heynh, using gibberellic acid and dwarfism effects on the growth dynamics of b73 maize (zea mays l. Gibberellin wikipedia 9 major physiological effects of gibberellins yourarticlelibrary science 23198 url? Q webcache. Bbc higher bitesize biology growth revision, page3. They are effective at low concentrations. Some of the major physiological effects gibberellins are as fo
Views: 627 Bet My Bet
Exponential growth curve- explained in simple manner.
 
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U can like my Facebook page ie. Vipin Sharma Biology Blogs for more information regarding every national level competitive exam in which biology is a part . Like this video share it with your frnds n subscribe to my channel if u r new. Thanq so much for supporting me guys 👍 😊. https://mbasic.facebook.com/Vipin-Sharma-Biology-Blogs-588472744670315/?__xt__=11.%7B%22event%22%3A%22visit_page_tab%22%2C%22user_id%22%3A100003119064758%2C%22page_id%22%3A588472744670315%7D
Transpiration In Plants
 
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Follow us at: https://twitter.com/TutorVista Check us out at http://www.tutorvista.com/content/biology/biology-iv/plant-water-relations/transpiration.php Transpiration In Plants Transpiration is a process similar to evaporation. It is the loss of water from parts of plants (similar to sweating), especially in leaves but also in stems, flowers and roots. Leaf surfaces are dotted with openings called, collectively, stomata, and in most plants they are more numerous on the undersides of the foliage. The stoma are bordered by guard cells that open and close the pore. Leaf transpiration occurs through stomata, and can be thought of as a necessary "cost" associated with the opening of the stomata to allow the diffusion of carbon dioxide gas from the air for photosynthesis. Transpiration also cools plants and enables mass flow of mineral nutrients and water from roots to shoots. Mass flow of liquid water from the roots to the leaves is caused by the decrease in hydrostatic (water) pressure in the upper parts of the plants due to the diffusion of water out of stomata into the atmosphere. Water is absorbed at the roots by osmosis, and any dissolved mineral nutrients travel with it through the xylem. The rate of transpiration is directly related to the degree of stomatal opening, and to the evaporative demand of the atmosphere surrounding the leaf. The amount of water lost by a plant depends on its size, along with surrounding light intensity, temperature, humidity, and wind speed (all of which influence evaporative demand). Soil water supply and soil temperature can influence stomatal opening, and thus transpiration rate. A fully grown tree may lose several hundred gallons (a few cubic meters) of water through its leaves on a hot, dry day. About 90% of the water that enters a plant's roots is used for this process. The transpiration ratio is the ratio of the mass of water transpired to the mass of dry matter produced; the transpiration ratio of crops tends to fall between 200 and 1000 (i.e., crop plants transpire 200 to 1000 kg of water for every kg of dry matter produced). Transpiration rate of plants can be measured by a number of techniques, including potometers, lysimeters, porometers, and heat balance sap flow gauges. Desert plants and conifers have specially adapted structures, such as thick cuticles, reduced leaf areas, sunken stomata and hairs to reduce transpiration and conserve water. Many cacti conduct photosynthesis in succulent stems, rather than leaves, so the surface area of the shoot is very low. Many desert plants have a special type of photosynthesis, termed crassulacean acid metabolism or CAM photosynthesis in which the stomata are closed during the day and open at night when transpiration will be lower. Please like our facebook page http://www.facebook.com/tutorvista
Views: 692209 TutorVista
Population Ecology
 
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Logistic Growth Video - https://youtu.be/rXlyYFXyfIM 012 - Population Ecology In this video Paul Andersen explains how population ecology studies the density, distribution, size, sex ration, and age structure of populations. Intrinsic growth rate and exponential growth calculations are included along with a discussion of logistic growth. K-selected and r-selected species are explained along with survivorship curves. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Music Attribution Intro Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/CosmicD/sounds/72556/ Creative Commons Atribution License Outro Title: String Theory Artist: Herman Jolly http://sunsetvalley.bandcamp.com/track/string-theory All of the images are licensed under creative commons and public domain licensing: Agriculture, U. S. Department of. Whooping Crane in Flight in Texas. USDA Photo by John Noll., March 18, 2011. Flickr: 20110214-USDA-JN-0001. https://commons.wikimedia.org/wiki/File:Whooping_Crane_in_flight_in_Texas.jpg. “Bird on Branch - Free Animals Icons.” Flaticon. Accessed September 15, 2015. www.flaticon.com/free-icon/bird-on-branch_61289. “Canada Lynx.” Wikipedia, the Free Encyclopedia, July 25, 2015. https://en.wikipedia.org/w/index.php?title=Canada_lynx&oldid=672981991. Headquarters, U. S. Fish and Wildlife Service. Adult Whooping Crane (Grus Americana) with Chick., February 23, 2012. Adult Whooping Crane and Chick. https://commons.wikimedia.org/wiki/File:Adult_Whooping_Crane_and_Chick_(6923604379).jpg. Husthwaite, Ray. English: Survivorship Curves, 23 April 09. Own work (Original text: I created this work entirely by myself.). https://commons.wikimedia.org/wiki/File:Survivorship_Curves.jpg. Karine, Gill-Weir. “The Whooping Cranes: Survivors Against All Odds,” n.d. http://www.prairiefirenewspaper.com/2010/09/the-whooping-cranes-survivors-against-all-odds. Robertson, D. Gordon E. English: Snowshoe Hare (Lepus Americanus), White Morph, Shirleys Bay, Ottawa, Ontario, Canada, January 21, 2013. Own work. https://commons.wikimedia.org/wiki/File:Snowshoe_Hare,_Shirleys_Bay.jpg. Sasata. English: The Whooping Crane, Grus Americana at the Calgary Zoo., September 11, 2010. Own work. https://commons.wikimedia.org/wiki/File:Grus_americana_Sasata.jpg. “Standing Up Man - Free People Icons.” Flaticon. Accessed September 15, 2015. www.flaticon.com/free-icon/standing-up-man-_10522. “Tree Silhouette - Free Nature Icons.” Flaticon. Accessed September 15, 2015. www.flaticon.com/free-icon/tree-silhouette_46564. “Turtle Shape - Free Animals Icons.” Flaticon. Accessed September 15, 2015. www.flaticon.com/free-icon/turtle-shape_47331.
Views: 257161 Bozeman Science
Boiling Water in a Bull Kelp Float
 
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Testing a natural container made of Seaweed in the Pacific Northwest ! It's a technique I've seen on Discovery Channel's Dual Survival show. In season 5 the episode is called ''Coastal Catastrophe''. Matt uses a bull kelp container to collect rainwater and , around 50 minutes in, Matt and Joe use these containers to cook there fish. I want to see how well these bull kelp containers hold water and see if I can get water boiling over a fire. Bull Kelp is huge it has a single stem called a stipe (comparable to a tree trunk i guess), that grows 36 meters long in a single year. It's known to be the fastest growing plant on earth it grows on average 17cm per day. The stipe or stem reaches the surface of the water and grows a float that's averaged 4 to 6 inches in diameter. This float contains carbon monoxide which allows it to float and reach surface, from here the long narrow leaves called blades can catch sunlight. The float is the part that I am interested in, once cut, it's shape makes it a perfect container. Please note this is an amazing plant and it is protected in many areas. You cannot gather it in the water when it is vertical or growing and living. Here, It is washed up on shore in a bundle, it has already reproduced and it is now dead and will slowly begin rotting away. So, I am NOT harming the plant in any means by gathering it. You cannot gather it in the water when it is vertical/growing and living. Always follow local regulations and ask questions to authorities before you do anything. If you gather wild edibles make sure you are 100 % sure of your identification, use many sources of information, not just a video or a book. With Kelp, don't use rotting plants, try to find some that are fresh but don't cut them when they are in the water, or alive as a stated earlier. If you'd like to see more videos like this make sure you like and comment. Also subscribe so you don't miss any new videos i make. Thanks guys ! Have a good day and always be safe out there ! Music : Lana Del Rey, West coast (instrumental). Twitter : https://twitter.com/NomadicWoodsman Sous-titre en français disponible ! Un petite test pour voir si je peux bouillir de l'eau dans un Bull Kelp ! J'ai vu cette idée dans Dual Survival.
Views: 3196 Nomadic Woodsman
Is Tom Barr wrong?? Plant Growth, Fertilization, and Liebig's Law of the Minimum.
 
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In this video we'll take a closer look at plant resource limitation--that is, what do plants need to grow? And we'll examine 3 leading theories to better understand this. Liebig's Law of the Minimum, Redfield Ration, and Multiple Limitation Hypothesis. ------------------------------------ Key References: Rubio, G., Zhu, J., & Lynch, J. (2003). A critical test of the two prevailing theories of plant response to nutrient availability. American Journal of Botany, 90(1), 143--152. Tai, C. The opposing paradigms in resource limitation on plant growth. Retrieved from http://post.queensu.ca/~biol953/Casper%20Christiansen%20-%20The%20opposing%20paradigms%20in%20resource%20limitation%20on%20plant%20growth.pdf Gleeson, S., & Tillman, D. (1992). Plant Allocation and the Multiple Limitation Hypothesis. The American Naturalist, 139, 6. H.J.W. DE BAAR. (1994). von Liebig's Law of the Minimum and Plankton Ecology (1899-1991) Prog. Oceanography, 33, 347-386. Gorban, A., Pokidysheva, L., Smirnova, E., & Tyukina, T. (2011). Law of the Minimum Paradoxes. Bull Math Biol, 73, 2013--2044. LIEBIG, J. V. (1855). Die Grundsa¨tze der agricultur-chemie mit Ru¨cksicht auf die in Englend angestellten Untersuchchungen. Friedrich Vieweg and Sohn, Braunschweig, Germany. All References: van der Ploeg, R.R., Bo¨hm, W., Kirkham, M.B. (1999). On the Origin of the Theory of Mineral Nutrition of Plants and the Law of the Minimum, Soil Sci. Soc. Am. J, 63, 1055--1062. Ågren, G., Martin Wetterstedt, J.A., & Billberger, M. (2012). Nutrient limitation on terrestrial plant growth -- modeling the interaction between nitrogen and phosphorus. New Phytologist, 194, 953--960. Farrior, C., Tilman, D., Dybzinski, R., Reich, P., Levin, S., & Pacala, S. (2013). Resource limitation in a competitive context determines complex plant responses to experimental resource additions. Ecology, 94, 11. Townsend, S., Schult, J., Douglas, M., & Skinner, S. (2008). Does the Redfield ratio infer nutrient limitation in the macroalga Spirogyra fluviatilis? Freshwater Biology, March, 509--520. http://www.ukaps.org/forum/threads/the-problem-with-the-redfield-ratio-theory.4921/ http://www.aquariumlife.com.au/showthread.php/17617-Redfield-ratio?s=4283a4f41f520e1be3ee163a94be4fe0 http://www.plantedtank.net/forums/showthread.php?t=68605 http://forum.practicalfishkeeping.co.uk/showthread.php?t=32981&page=4 http://www.aquariacentral.com/forums/showthread.php?229059-A-look-at-GH-and-magnesium/page4 http://www.aquariacentral.com/forums/showthread.php?255875-(Utricularia-grammifolia)-UG-and-EI-dosing http://www.ukaps.org/forum/threads/detailed-description-effects-of-n-p-and-k.28363/ http://www.aquariacentral.com/forums/showthread.php?229059-A-look-at-GH-and-magnesium http://www.aquascapingworld.com/threads/pmdd-and-calcium-chloride.5584/ http://www.aquaticplantcentral.com/forumapc/fertilizing/5005-pps-technical-discussion-thread-8.html http://www.barrreport.com/showthread.php/7140-Required-reading-Tropica-s-article-on-CO2-and-light http://www.fishforums.net/index.php?/topic/336801-the-redfield-ratio/ ------------------------------------ Music: http://www.jamendo.com/en/list/a99322/workbench-over Creative Commons : Attribution-Share Alike 3.0 Artist: Rama Druma Intro Song: Tango mafia Outro Song: Science Of Relationships
Views: 18611 NickMach007
How To Start Your Own Plant Nursery - Part 1
 
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Read more here: https://ruralgardener.co.uk/2012/07/01/propagating-softwood-cuttings/ Website : http://www.ruralgardener.co.uk Instagram:https://www.instagram.com/ruralgardeners Youtube: https://www.youtube.com/channel/UCqRBp9mT0MIY8wHFFRbD9qQ #ruralgardeners If you're thinking of starting your own plant nursery this video is the second in my short series on explaining to people just like you how you can grow your own plants for a profit. To learn more visit To learn more visit http:\\www.ruralgardener.co.uk today. The video introduces the idea of using a sand box and how to take softwood cuttings on a large scale using sharp sand. It will put this in a little more context if you watch the first in the series. If you like what you see would you mind hitting the 'Like' button please as we're planning on releasing a lot more videos as the nursery starts to come together. Thanks! J. For more info head over to www.ruralgardener.co.uk Note: If you thinking of selling plants you need to research something called Plant Breeders Rights. Basically it's a law that was introduced to protect the rights of plant breeders ... a sort of patent for plants if you like. Essentially it made it illegal to propagate plants for profit ... but the good news is there are loads of plants out there that were around before Plant Breeders Rights were introduced that you CAN propagate. My advice is: 1. Always read the label on any plant that you buy. It will clearly state if the plant is subject to Plant Breeders Rights. 2. Look for the older varieties and you should have no problems with propagating them. 3. Propagate these older varieties so other growers can access these unprotected varieties. The more 'protected plants' that are introduced to the market the more demand there will be for the 'unprotected' varieties.
Views: 221274 The Rural Gardener
Plant Fats and Oils
 
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Plants can make various kinds of fats and oils that are important to our daily life. What makes these compounds solid or liquid, healthy or unhealthy, depends on the types of fatty acids they contain. This video will walk you through a variety of fatty acids; many of them are impactful on our health, including monounsaturated fatty acids, polyunsaturated fatty acids, omega-3 fatty acids, saturated fatty acids, and trans fatty acids. You will have a clear picture of what you are eating or using after seeing these molecules being vividly displayed in 2D and 3D.
Views: 356 xy plore
Indoor Cannabis Flowering Tips to Grow Dense Buds & Prevent Mildew
 
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John from http://www.growingyourgreens.com/ goes on a field trip to a Garden in Northern California Growing Vegetables and Medicinal Cannabis under California State Proposition 215. In this episode, you will learn more about how the farmer grows her cannabis without the use of synthetic nutrients and grows dense buds without mold, fungus or powderly mildew by being proactive in her approach to cannabis growing. You will get to see some of the grow as well as learn specific techniques and products you can use in your garden to increase flowering to ensure your bloom goes smoothly. John will interview Mary Jane, the farmer of all this organic cannabis and ask her the following questions: 05:37 Why did you start growing cannabis? 06:58 Why is it important to start with a good soil? 10:26 what is some of the maintenance you do here? 11:37 How do you deal with mold and fungus and pests? 13:34 How do you get plants to go to flower? 14:03 What source of phosphorus do you use? 15:17 Why is compost tea important for bloom? 16:10 Can you switch to using organic from chemical methods? 18:07 Why do you have powdery mildew in your mom room? 18:46 How are you going to treat powdery mildew? 19:35 What products do you use? 22:58 How much do you feed your plants?' 23:08 What is your opinion on the boogie brew compost tea? 26:55 What are some tips you would like to share with my viewers? 28:18 Organic Products that Grow Healthier Plants and Support Bloom After watching this episode, you will learn the top cannabis growing tips to have the best bloom and flowering with bigger, tastier yields without pests. Subscribe to GrowingYourGreens for more videos like this: http://www.youtube.com/subscription_center?add_user=growingyourgreens Follow John on Instagram at: https://instagram.com/growingyourgreens/ Watch all 1300+ Episodes from GrowingYourGreens at https://www.youtube.com/user/growingyourgreens/videos How I Got High for 10 Hours on Raw Cannabis Leaves https://www.youtube.com/watch?v=mEV9ZbKXj6E EM1 probiotic episode - Supress Disease https://www.youtube.com/watch?v=pgJqsBKNuoY Open Source Compost Tea Episode https://www.youtube.com/watch?v=sTijkwQaPRI Rock Dust vs Compost Tea https://www.youtube.com/watch?v=FxLWGHku3es How to Make the Best compost Tea https://www.youtube.com/watch?v=WaelExJmshI Why You Shouldn't buy Liquid Hydroponic Nutrients https://www.youtube.com/watch?v=554n95IrH50 Learn more about and Buy the Bloom Box at the lowest price at: http://www.boogiebrew.net/gyg
Growth curve- Logistic and exponential growth Ecology NCERT
 
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Please watch: "HOW TO AVOID SILLY MISTAKES ON 6TH MAY -NEET EXAM" https://www.youtube.com/watch?v=5tOOAZQFwgU --~-- Ashwini Kumar MBBS 1st year student Banaras Hindu university
Views: 1751 ASH TUTORIALS
PLB 112-SENESCENCE
 
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References Jibran, R., Hunter, D. A., & Dijkwel, P. P. (2013). Hormonal regulation of leaf senescence through integration of developmental and stress signals. Plant Molecular Biology, 82(6), 547-561. doi:10.1007/s11103-013-0043-2 Li, Z., Peng, J., Wen, X., & Guo, H. (2012, August 23). Gene Network Analysis and Functional Studies of Senescence‐associated Genes Reveal Novel Regulators of Arabidopsis Leaf Senescence. Retrieved May 29, 2017, from http://onlinelibrary.wiley.com/doi/10.1111/j.1744-7909.2012.01136.x/full McCabe, P. (n.d.). Senescence in Plants. Retrieved May 29, 2017, from http://www.els.net/WileyCDA/ElsArticle/refId-a0020133.html Ravenscroft, D. (n.d.). Plant Hormones and Senescence. Retrieved May 29, 2017, from http://www.plant-biology.com/leaf-senescence-hormones.php Woo, H. R., Kim, H. J., Nam, H. G., & Lim, P. O. (2013, November 01). Plant leaf senescence and death – regulation by multiple layers of control and implications for aging in general. Retrieved May 29, 2017, from http://jcs.biologists.org/content/126/21/4823 Khan M, Rozhon W, Poppenberger B, The Role of Hormones in the Aging of Plants - A Mini-Review. Gerontology 2014;60:49-55 Chang, M. "Programmed Cell Death, Aging, and Senescence in Plants." PowerShow. N.p., 11 Apr. 2012. Web. 31 May 2017. Koyama, Tomotsugu. "The Roles of Ethylene and Transcription Factors in the Regulation of Onset of Leaf Senescence." Frontiers. Frontiers, 03 Nov. 2014. Web. 31 May 2017. Reape, Theresa J., Elizabeth M. Molony, and Paul F. McCabe. "Programmed Cell Death in Plants: Distinguishing between Different Modes." Journal of Experimental Botany. Oxford University Press, 05 Feb. 2008. Web. 31 May 2017. Koratkar, Sanjay. "Abscission of Leaves in Plants (With Diagram)." Biology Discussion. N.p., 24 Feb. 2016. Web. 31 May 2017. Reich, Peter, and Henry Reich. "The Real Reason Leaves Change Color In the Fall."YouTube. YouTube, 24 Oct. 2015. Web. 31 May 2017.
Views: 156 Jose Cabrera
Population Ecology: The Texas Mosquito Mystery - Crash Course Ecology #2
 
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Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than they are in another. How is that in any way useful to anyone ever? Hank uses the example a of West Nile virus outbreak in Texas to show you in this episode of Crash Course: Ecology. Like Crash Course? http://www.facebook.com/YouTubeCrashCourse Follow Crash Course! http://www.twitter.com/TheCrashCourse Table of Contents 1) Density & Dispersion 02:03 2) Population Growth 03:07 3) Limiting Factors 03:45 a) Density Dependent 06:16 b) Density Independent 07:11 4) Exponential & Logistical Growth 08:04 5) How to Calculate Growth Rate 09:33 References: http://www.latimes.com/news/nation/nationnow/la-na-nn-west-nile-virus-20120817,0,2506584.story http://www.dshs.state.tx.us/idcu/disease/arboviral/westnile/information/general/myths/ http://en.wikipedia.org/wiki/Mosquito http://www.nature.com/scitable/knowledge/library/population-limiting-factors-17059572 Campbell Biology 9th ed. Support CrashCourse on Subbable: http://subbable.com/crashcourse
Views: 812230 CrashCourse
Signal Transduction Pathways
 
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038 - Signal Transduction Pathways.mov Paul Andersen explains how signal transduction pathways are used by cells to convert chemical messages to cellular action. Epinephrine is used as a sample messenger to trigger the release of glucose from cells in the liver. The G-Protein, adenylyl cyclase, cAMP, and protein kinases are all used as illustrative examples of signal transduction. A review of the concepts is also included. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/CosmicD/sounds/72556/ Creative Commons Atribution License All of the images are licensed under creative commons and public domain licensing: "File:Dora and Boots.jpg." Wikipedia, the Free Encyclopedia, October 28, 2013. http://en.wikipedia.org/w/index.php?title=File:Dora_and_Boots.jpg&oldid=468219594. "File:Jimi Hendrix 1967 Uncropped.jpg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Jimi_Hendrix_1967_uncropped.jpg. "File:MarshallStack Slayer.jpg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:MarshallStack_Slayer.jpg. "File:Pickup-SSH.jpg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Pickup-SSH.jpg. Juancoronado1974. English: Phospholipid Bilayer, November 23, 2013. Own work. http://commons.wikimedia.org/wiki/File:Bilayer.png.
Views: 976025 Bozeman Science
Logistic growth curve
 
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This lecture explains about the logistic growth curve. it explains why population growth encounter logistic growth pattern after the population hit the carrying capacity of the environment. Logistic growth curve is also known as the s shaped growth curve or sigmoidal growth curve. For more information, log on to- http://www.shomusbiology.com/ Get Shomu's Biology DVD set here- http://www.shomusbiology.com/dvd-store/ Remember Shomu’s Biology is created to spread the knowledge of biology by sharing through all this biology lecture videos and animations presented by Suman Bhattacharjee in YouTube. All these tutorials are brought to you for free. Please subscribe to our channel so that we can grow together. You can check for any of the following services from Shomu’s Biology- Buy Shomu’s Biology lecture DVD set- www.shomusbiology.com/dvd-store Shomu’s Biology assignment services – www.shomusbiology.com/assignment -help Join Online coaching for CSIR NET exam – www.shomusbiology.com/net-coaching We are social. Find us on different sites here- Our Website – www.shomusbiology.com Facebook page- https://www.facebook.com/ShomusBiology/ Twitter - https://twitter.com/shomusbiology SlideShare- www.slideshare.net/shomusbiology Google plus- https://plus.google.com/113648584982732129198 LinkedIn - https://www.linkedin.com/in/suman-bhattacharjee-2a051661 Youtube- https://www.youtube.com/user/TheFunsuman
Views: 17939 Shomu's Biology
Top 10 Best Foods to Become Taller
 
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Subscribe to Bright Side : https://goo.gl/rQTJZz For copyright matters please contact us at: [email protected] ---------------------------------------------------------------------------------------- It’s believed that all of us keep growing tall up to 26 years old. Nevertheless, this process is purely individual. Some people stop growing at 16 to 18 years old, but some continue till 25. Three critical factors affect the growth: hormonal regulation, healthy bones, and good food. Make sure to watch the video till the end – we are going to reveal some secret factors that slow down growth. You have to take them very seriously! However, let's first look at the list of foods that can help you increase height significantly. ---------------------------------------------------------------------------------------- Our Social Media: Facebook: https://www.facebook.com/brightside/ Instagram: https://www.instagram.com/brightgram/ 5-Minute Crafts Youtube: https://www.goo.gl/8JVmuC  ---------------------------------------------------------------------------------------- For more videos and articles visit: http://www.brightside.me/
Views: 1360496 BRIGHT SIDE
Basics of Metabolism
 
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These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video. More free lessons at: http://www.khanacademy.org/video?v=wQ1QGZ6gJ8w
Views: 1003057 khanacademymedicine
Abscisic Acid Infomercial
 
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AP Biology; Period 5
Views: 153 Josephine Kraemer
Mold/Biotoxin Illness & Autism: Focus on Endocrine Hormonal Imbalance, Immune Dysregulation...
 
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FULL TITLE: Mold/Biotoxin Illness & Autism: Focus on Endocrine Hormonal Imbalance, Immune Dysregulation, & Recovering the Pituitary systemic Axis Patients prone to developing CIRS Mold/Biotoxin illness fail to mount an effective immune response to biotoxins. When this happens, the innate immune system shows signs of continuous but ineffective activation. Fatigue, often due to low or dysregulated cortisol and ACTH, and poor conversion of the thyroid hormones T4 to T3. Pain – due to inflammation and reduced endorphin production is seen. Chronic sleep disorders with non-restful, nonrestorative sleep – at least in part due to low melatonin levels, Appetite swings, particularly increased appetite, leading to weight gain,Loss of control of regulation of body temperature, Imbalanced sex hormones, and approximately 60% have low ADH / imbalanced osmolality. Dysregulated inflammation compounds called cytokines are also seen due to a loss of inflammatory regulation.There is increased intestinal permeability (aka leaky gut) due to increased space between intestinal gap junctions. This can then lead to development of antibodies to gluten / gluten intolerance in the absence of Celiac disease. Microbes can overgrow in an inflammed milieu. Dr Dashore will discuss the hormonal imbalances in depth, growth issues seen, immune dysregulation mechanisms and best all natural plant-based treatment options along with conventional alternatives. Jodie A. Dashore, OTD, HHP, BCIP
Views: 434 AutismOne Media
Systems Biology for the hormonal control of vascular patterning in plant shoots
 
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- By: Marta Ibañes, Universitat de Barcelona - Date: 2010-06-02 15:00:00 - Description: Interdisciplinary approaches can help advancing our knowledge on muticellular organism development, as recent examples in the literature have shown. These approaches can make use of computational and theoretical tools borrowed from statistical and nonlinear physics and of molecular and cell biology techniques. In this talk I will focus on the interdisciplinary approach we have used to study the development of the vascular tissue in plant shoots. The plant vascular system connects distant organs within a plant and provides transport and support capabilities that are essential for plant growth and development. In the shoot of Arabidopsis, the vasculature forms a periodic pattern made of six units on average. I will present our recent results on how hormones control the periodicity and unit number of this pattern, with an emphasis on the interplay between analyses of non-linear pattern formation dynamics and of features and phenotypes of wild-type and mutant plants. References: Ibañes M, Fàbregas N, Chory J, Caño-Delgado AI. Brassinosteroid signaling and auxin transport are required to establish the periodic pattern of Arabidopsis shoot vascular bundles. PNAS 106(32):13630-5 (2009). Fàbregas N, Ibañes M, Caño-Delgado AI. A Systems Biology approach to dissect the contribution Brassinosteroid and Auxin hormones to vascular patterning in the shoot of Arabidopsis thaliana. Plant Signaling& Behaviour (in press).
Bodybuilding for the brain: John Pelley at TEDxTexasTechUniversity
 
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John attempts to show his audience how action and sleep are used to build a strong brain as well as a strong body. Bodybuilding requires action for muscular growth and the growth occurs during sleep. Similarly, learning requires action for the physical growth of brain cells and this also occurs during sleep. Active learning experiences (sketching, organizing, discussing, etc.) are needed for the brain to replay them during sleep and that action must also be associated with emotion, if either the exercise routine or the learning experience is to be effective. Brain cells develop a temporary record of our experiences during the day but we don't make that record permanent until we sleep. As we replay our experiences during sleep, only those with emotional value are retained, or consolidated, into memory. This can be seen physically in the development of a network of branched connections between brain cells, called dendritic trees. Muscle cells grow, brain cells grow. The audience will be shown how to apply action and sleep to employ bodybuilding for the brain. In the spirit of ideas worth spreading, TEDx is a program of local, self-organized events that bring people together to share a TED-like experience. At a TEDx event, TEDTalks video and live speakers combine to spark deep discussion and connection in a small group. These local, self-organized events are branded TEDx, where x = independently organized TED event. The TED Conference provides general guidance for the TEDx program, but individual TEDx events are self-organized.* (*Subject to certain rules and regulations)
Views: 72292 TEDx Talks
Testosterone and Human Growth Hormone
 
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Testosterone, Human Growth Hormone Dr. J Wright & Holly Wright For great hormone balancing supplements, go to http//:unitynaturals.com 0:16 When was Holly Wright introduced to bio-identical hormones? 0:34 She planned her menopausal treatment well in advance 1:07 In modern times, hormone therapy started in the US 1:42 Dr. Delgado's own introduction to Human Growth Hormone 2:10 Nick's testosterone levels optimized soon after starting his' own treatment 2:41 Holly started with triple-estrogen 3:09 Women get testosterone as well as men 3:38 Let us know more about women who need testosterone... 4:26 Is there a bias against giving women testosterone? 4:42 Testosterone or other androgens frequently drive libido and sex drive 4:59 Women need testosterone to boost muscle mass and avoid becoming weak 5:53 Holly's results from hormone therapy 6:25 Holly's skin has benefited from hormone therapy This channel is to educate people all around the world about the power of nutrition, fitness, hormones and the power of the mind. ========================================­=== **Click Below to SUBSCRIBE for More Videos: http://youtube.com/subscription_center?add_user=https:DelgadoVideo ======================================= Dr. Nick Delgado Health and Anti-Aging Coach http://www.unitynaturals.com
Views: 1219 Dr. Nick Delgado
Growth Curve
 
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Explore TTI's new Growth Curve X-Ray and Strategist program and learn what TTI sciences and solutions integrate with this business-changing new product.
Views: 1797 TTI Success Insights
How to plant in a poor soil and arid area of you garden
 
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Planting in an area that has bad soil, or close to the top of the soil roots from trees, where the water runs off is a bit challenging. This method is great for planting on a hill, where soil amendment is not possible.
Views: 128 rourri
Marcelo J  Yanovsky - Regulatory Networks Controlling Daily and Seasonal Rhythms in Plants
 
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Conferencia del XV Congreso Latinoamericano de Fisiología Vegetal - XXX Reunión Argentina de Fisiología Vegetal Mar del Plata, Argentina, 23/09/2014 Regulatory Networks Controlling Daily and Seasonal Rhythms in Plants YANOVSKY Marcelo J. Instituto de Investigaciones Bioquímicas de Buenos Aires,Fundación Instituto Leloir-CONICET, Argentina . * [email protected] Circadian clocks allow organisms to time biological processes to the most appropriate phases of the day and year. We are interested in deciphering the regulatory networks that control clock function in plants, since this knowledge could be used to manipulate flowering time, a key factor influencing crop productivity. Combining functional genomics and a reverse genetics approach we have identified novel regulatory components acting at either transcriptional or post-transcriptional levels to control the pace of the plant circadian clock. First, I will describe the identification of a novel family of light induced genes that control the pace of the clock acting as transcriptional co-activators of known core-clock components. Then, I will describe recent work in our laboratory that revealed novel components linking the regulation of alternative splicing to the plant circadian clock.
Dominique Bergmann (Stanford U / HHMI) 3: Stomata and global climate cycles
 
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https://www.ibiology.org/plant-biology/stomata/#part-3 Talk Overview: While mammals are protected by the mother’s womb during their most critical development, plants are exposed to the environment for most of their development. To survive, plants have developed strategies such as the ability to grow new tissue and regenerate tissue lost to predators. New leaves, stems and flowers are derived from the shoot apical meristem while roots come from the root apical meristem. Meristems are the source of pluripotent stem cells for all plant growth. Bergmann explains that because plants can live for a very long time and are constantly regenerating they are an excellent system for improving our understanding of stem cells. In Part 2, Bergmann focuses on the stem cells that give rise to the epidermis of the plant. These stem cells give rise to two distinct sets of cells. Pavement cells form an impermeable layer that “waterproofs” the plant. Stomata are small pores on the plant surface formed by two cells that act as a valve to regulate the uptake of CO2 and the release of oxygen and water. Bergmann’s lab used confocal microscopy to follow stem cells from their “birth”, through a series of asymmetric divisions to their eventual differentiation to pavement cells or stomata. At the same time, they measured how active or inactive all genes in the plant were at the different stages. Using chromatin immunoprecipitation, they were able to identify key genes involved in determining and maintaining cell fate decisions. Interestingly, similar genes and mechanisms may influence cell fate decisions in animals. In her last talk, Bergmann discusses the impact of plant physiology on the Earth’s climate and the impact of climate on plant physiology. Since stomata regulate CO2 uptake and oxygen and H2O release, their function impacts global climate change. The number of stomata a plant has increases and decreases in response to many factors including CO2 concentration, light, and temperature and stomata can open and close in response to the same cues. Bergmann and her colleagues studied plants with different numbers of stomata that were grown in controlled climates to get a better understanding of stomatal behavior in response to changes in climate. Knowing these details may contribute to improving the accuracy of global climate models. Related Articles (to open on a separate page from Resources link under the video window): Matos JL, Lau OS, Hachez C, Cruz-Ramírez A, Scheres B, Bergmann DC (2014) Irreversible fate commitment in the Arabidopsis stomatal lineage requires a FAMA and RETINOBLASTOMA-RELATED module. Elife. 2014 Oct 10;3. PMID: 25303364 Lau OS, Davies KA, Chang J, Adrian J, Rowe MH, Ballenger CE, Bergmann DC (2014) Direct roles of SPEECHLESS in the specification of stomatal self-renewing cells. Science 2014 Sept; PMID: 25190717 Dong J, Macalister CA, Bergmann DC (2009) BASL Controls Asymmetric Cell Division in Arabidopsis. Cell. 2009 Jun 26;137(7):1320-30. PMID: 19523675 Key reviews: Dow GJ, Bergmann DC (2014) Patterning and processes: how stomatal development defines physiological potential. Curr Opin Plant Biol. 2014 Jul 21;21C:67-74. PMID: 25058395 Matos JL, Bergmann DC (2014) Convergence of stem cell behaviors and genetic regulation between animals and plants: insights from the Arabidopsis thaliana stomatal lineage. F1000Prime Rep. 2014 Jul 8;6:53. PMID: 25184043 Lau OS, Bergmann DC (2012) Stomatal development: a plant’s perspective on cell polarity, cell fate transitions and intercellular communication. Development 139(20):3683-92. PMID: 22991435 Vatén A, Bergmann DC (2012) Mechanisms of stomatal development: an evolutionary view. Evodevo 3(1):11. PMID: 22691547 Speaker Biography: Dominique Bergmann completed her BA in molecular and cellular biology at the University of California, Berkeley. Bergmann studied development in C. elegans as a PhD student at the University of Colorado at Boulder, but switched her focus to development in Arabidopsis while a post-doc at the Carnegie Institution, Department of Plant Biology. Moving to Carnegie’s neighbor, Stanford University, Bergmann set up her own lab in 2005, and continues to study Arabidopsis. Currently, her work focuses on specialized structures called stomata and the role of asymmetric cell division and cell-cell communication in their formation. Bergmann is currently an associate professor at Stanford University and a Howard Hughes Medical Institute and Gordon and Betty Moore Foundation Investigator. She is also an associate of the Stanford Institute for Stem Cell Biology and Regenerative Medicine and The Carnegie Institute, Department of Plant Biology.
Views: 3229 iBiology
AgXplore NutriPak
 
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NutriPak - the industries most complete nutrient package backed by more than a decade of research. NutriPak is a bio-stimulant that renews the soil profile. NutriPak is an 8-10-2 NPK foliar pack. A product made in the United States by a company developed and headquartered in America's Heartland. MAXIMIZE YIELD POTENTIAL
Views: 2058 AgXplore
Influence of Potassium Nutrition on Nitrogen Use Efficiency
 
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Philip J. White, Jeff J. Volenec
Views: 507 PlantNutritionInst
What Causes A Plant To Grow Towards The Light?
 
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Whether or not they germinate in the light total darkness, shoots usually plants kept inside a room always grow direction of window. Stems causes the cells in that area to grow more than phototropism, plant growth towards or away from light, and photoperiodism, auxin promotes cell elongation, causing on shady side would cause coleoptile bend toward lightwent named this unknown compound auxin, meaning greek, 'to grow'later chemical structure nov 1, 2015 will be visibly growing so it allowing plants too much light color fade, excessive How do light? Tum. Why do plants lean toward sunlight? Scientists gain insight on how bend lightplants towards light? Phototropism made them it bio ch 33 flashcards bbc gcse bitesize auxins higher tier. Now an international team of scientists has provided definitive insights into the driving force behind this movement plant hormone auxin may 28, 2013 is responsible for a plant's ability to grow towards growth plants toward light particularly important at under normal conditions auxins are spread out in. Phototropism experiment how plants 'see' light untamed science. May 27, 2013 as we know from looking at plants on a windowsill, they grow toward the sunlight to be able generate energy by photosynthesis. How do plants grow toward the light? Tum. De en about tum news press releases 30854 url? Q webcache. The cells on the plant that are farthest from light have a chemical called growth towards source is positive phototropism, while away shoots grow gravity, toward sunlight, roots into but stimulates cell expansion in shoots, which causes to upward. Why plants grow towards the light sciencedailyplant responses to gravity boundless. But when sunlight varies, auxin is broken down on the sunnier side of stem. Googleusercontent search. In treatment ii the tip is removed and plant no longer bends toward light. How do plants grow toward the light? Scientists explain mechanism how. Without this causes the stems and leaves to bend or lean towards lighted side jun 8, 2011 scientists gain insight on how plants toward light that cause phototropism are distributed from tip of plant rather than where 'phototropism is something everyone who grows a in their window knows grow sources water light, which they need survive it's thought gravity can interfere with transport auxin causing it jul 10, 2013 makes turn light! only place cells divide thus truly. How do plants grow toward the light? Tum tum. In woodlands the leaves, therefore, lean towards light for photosynthesis. Are your plants getting enough light? Maximum yield. Tip produces a substance signal hormone (auxin) in response to light causing the plants bend did not grow toward because tip was removed use hormones such as auxins and gibberellins detect direction of this causes plant towards stems other parts sources (figure impatiens growing. It is most often observed in plants, but can also occur other organisms such as fungi. The higher concentration of auxin on the shady side c
Views: 200 Bet My Bet
Metabolism & Nutrition, part 1: Crash Course A&P #36
 
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Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and proteins -- as well as how anabolic reactions build structures and require energy, while catabolic reactions tear things apart and release energy. Anatomy of Hank Poster: http://store.dftba.com/products/crashcourse-anatomy-and-physiology-poster -- Table of Contents Water, Vitamins, Minerals, Carbs, Fats and Proteins 3:47 Anabolic Reactions Build Structures and Require Energy 2:59 Catabolic Reactions Tear Things Apart and Release Energy 3:17 Metabolism 2:30 *** Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: Mark , Elliot Beter, Moritz Schmidt, Jeffrey Thompson, Ian Dundore, Jacob Ash, Jessica Wode, Today I Found Out, Christy Huddleston, James Craver, Chris Peters, SR Foxley, Steve Marshall, Simun Niclasen, Eric Kitchen, Robert Kunz, Avi Yashchin, Jason A Saslow, Jan Schmid, Daniel Baulig, Christian , Anna-Ester Volozh -- Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Tumblr - http://thecrashcourse.tumblr.com Support Crash Course on Patreon: http://patreon.com/crashcourse CC Kids: http://www.youtube.com/crashcoursekids
Views: 1271936 CrashCourse
The Future of Medical Hemp | August 2018
 
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Getting together at The Future of Medical Hemp Summit in late August. What we found: Despite significant institutional challenges, the European CBD market will see strong growth for those companies that can navigate the murky waters of EU regulation while managing growth in a fast moving industry. https://hemptoday.net/cbd-summit-findings/
Views: 117 Hemp Today
Lex’s Mars Hydro LED Grow Journal - 7 & 12 days in.
 
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Today, as promised, the first look at the Mars Hydro grow experiment. YOU can help me LOTS just by shopping at my Amazon Store…all grow lights listed, including the 720W MARS HYDRO LIGHT, are hand-picked by me: https://www.amazon.com/shop/influencer-945853a8 Have a pressing question? Need to get in touch with me? See my Club page for more info: https://www.patreon.com/Lexsworld My Facebook - http://www.facebook.com/lexsworld My Twitter - http://www.twitter.com/lexsworld Lex on TheWeedTube - http://www.theweedtube.com/User/lexblazer/ Lex on Vimeo - https://vimeo.com/lexblazer Lex on Bitchute - https://www.bitchute.com/channel/lex_blazer/ My episode on Humidity and Air Temp Basics, for those confused about my humidity comment: https://www.youtube.com/watch?v=E2DATMUclwQ
Views: 7691 Lex Blazer
How Enzymes Work
 
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Every second inside every living cell, thousands of chemical reactions are taking place. These reactions constitute the essential tasks of life such as metabolism, protein synthesis, cell renewal and growth. Learn how the proteins called enzymes work to maintain the rate of these reactions at a life-sustaining level. Based on atomic structures from the PDB archive, observe the mechanism of aconitase, an enzyme of the citric acid cycle, to understand how enzymes utilize their amino acid residues to catalyze a reaction. To learn more about enzymes, explore the educational resources on PDB-101 (http://pdb101.rcsb.org/browse/enzymes). Story by: David S. Goodsell and Maria Voigt Animation and Video Editing by: Maria Voigt Narration by: Brian Hudson Subtitles available in: English Catalan (translation by Marc Isbert) Spanish (translation by Marc Isbert) French (translation by Marie-Cécile Darmon)
Views: 198277 RCSBProteinDataBank
The Werewolf Gene
 
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Support Brilliant Botany on Patreon: http://www.patreon.com/brilliantbotany What do werewolves have to do with plants? Today we discuss the werewolf gene in Arabidopsis thaliana and how it affects root hair development. Brilliant Botany is an educational STEM channel focused on inspiring enthusiasm about the plant world. The channel features videos highlighting topics in current research, the fundamentals of plant science and tutorials. http://www.brilliantbotany.com Twitter: @brilliantbotany Have a question about the video, or anything botany-related? Post it in the comments and I'll answer it in a future video. Sources: Laitinen, R. A. E. (2015). Molecular Mechanisms in Plant Adaption. Wiley. Lee, M. M., & Schiefelbein, J. (1999). WEREWOLF, a MYB-related protein in Arabidopsis, is a position-dependent regulator of epidermal cell patterning. Cell, 99(5), 473–483. Song S. K. et al. (2011). Cell fate in the Arabidopsis root epidermis is determined by competition between WEREWOLF and CAPRICE. Plant Physiology, 157(3), 11196-208. Images: https://commons.wikimedia.org/wiki/File:NSRW_Root-Tip.png https://commons.wikimedia.org/wiki/File:Arabis_thaliana_Sturm6.jpg https://commons.wikimedia.org/wiki/File:Mycorhizae_fungus_(10333483254).jpg https://commons.wikimedia.org/wiki/File:WeirdTalesv36n2pg038_The_Werewolf_Howls.png
Views: 1127 Brilliant Botany
The Vitamin C Lab at P3
 
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Vitamin C is an essential part of everybody's diet. You see it plastered all over items at the grocery store but what does it really mean? P3 is working on discovering information about vitamin C in plants that may surprise you! The ARP3 Center's vitamin C research is focused on how important vitamin C production is for plants. Which in turn benefits the human population through agriculture and nutrient. You can find more information on the P3 project, its researchers, and vitamin C at http://www.plantpoweredproduction.com. Follow us on Twitter and like us on Facebook.
Views: 1852 ARP3Center
Cell Communication
 
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037 - Cell Communication Paul Andersen discusses cell communication. He begins by explaining how he communicates with other individuals using various forms of electronic communication. He them explains how cells communicate when the distance between them is big, small, and zero. He explains how antigen presenting cells pass information on antigen structure by touching in the immune response. He explains how neurotransmitters are used to transfer and manipulate nerve signals. And he finally explains how the endocrine system sends messages throughout the body. Do you speak another language? Help me translate my videos: http://www.bozemanscience.com/translations/ Intro Music Atribution Title: I4dsong_loop_main.wav Artist: CosmicD Link to sound: http://www.freesound.org/people/CosmicD/sounds/72556/ Creative Commons Atribution License All of the images are licensed under creative commons and public domain licensing: Cartoon Virus Clip Art, n.d. http://www.clker.com/clipart-cartoon-virus.html. cs, Endocrine_growth_regulation svg: Mikael Häggströmderivative work: Icewalker. Čeština: Hlavní Cesta Endokrinní Regulace Růstu, Mediovaná Růstovým Hormonem a IGF-1, 14:28 (UTC). Endocrine_growth_regulation.svg. http://commons.wikimedia.org/wiki/File:Endocrine_growth_regulation_cs.svg. Depot, Disk. English: Post-It Note with White Background. (Super-Sticky Genuine Original 3M Version!), (First publication). Own work. http://commons.wikimedia.org/wiki/File:Post-it-note-white-bg.jpg. "File:Beta-Endorphin.png." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Beta-endorphin.png. "File:Facebook.svg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Facebook.svg. "File:Lymphocyte Activation Simple.png." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Lymphocyte_activation_simple.png. "File:Neuron Hand-Tuned.svg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Neuron_Hand-tuned.svg. "File:Robert Wadlow.jpg." Wikipedia, the Free Encyclopedia, November 19, 2013. http://en.wikipedia.org/w/index.php?title=File:Robert_Wadlow.jpg&oldid=519347892. "File:Synapse diag1.svg." Wikipedia, the Free Encyclopedia. Accessed December 9, 2013. http://en.wikipedia.org/wiki/File:Synapse_diag1.svg. Google. English: Gmail Logo, May 9, 2011. Transferred from en.wikipedia to Commons. http://commons.wikimedia.org/wiki/File:Gmail_logo.png. "Growth Hormone." Wikipedia, the Free Encyclopedia, December 8, 2013. http://en.wikipedia.org/w/index.php?title=Growth_hormone&oldid=585182562. US, Ed Costello from Brooklyn, NY. Paula Radcliffe, Winner of the 2007 New York City Marathon, Photographed at Mile 14., November 4, 2007. Cropped from File:Paula Radcliffe 2007 New York marathon.jpg. http://commons.wikimedia.org/wiki/File:Paula_Brooklyn_NYCM_2007_cropped.jpg.
Views: 384934 Bozeman Science
Beyond the Gene: Epigenetics Revealed
 
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Science for the Public, June 12, 2012. Mary Gehring, PhD. Member, Whitehead Institute for Biomedical Research; Assistant Professor of Biology, Massachusetts Institute of Technology. Dr. Gehring discusses how an how epigenetics works. An organism's phenotypic traits are in large part hard-wired in the sequence of its DNA. Yet phenomena described more than 50 years ago indicated another layer of information exists on top of the genetic code: the epigenome. Chemical modifications to the proteins that package DNA or to the DNA itself can alter how the cell interprets the genetic code. This lecture will explore the contribution of epigenetics to growth and development, with a particular emphasis on plants, which have served as an important model system for understanding these processes..
Views: 6051 Yvonne Stapp

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