Transcriptome Changes In Switchgrass Panicum Virgatum L Seeds When Hydrogen Peroxide Is Applied To Alleviate Dormancy
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Transcriptome Changes In Switchgrass Panicum Virgatum L Seeds When Hydrogen Peroxide Is Applied To Alleviate Dormancy
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Author : Martha Isabel Montanez Diaz
language : en
Publisher:
Release Date : 2011
Transcriptome Changes In Switchgrass Panicum Virgatum L Seeds When Hydrogen Peroxide Is Applied To Alleviate Dormancy written by Martha Isabel Montanez Diaz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Hydrogen peroxide categories.
Switchgrass Panicum Virgatum L Intraspecific Variation And Thermotolerance Classification Using In Vitro Seed Germination Assay
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Author :
language : en
Publisher:
Release Date : 2011
Switchgrass Panicum Virgatum L Intraspecific Variation And Thermotolerance Classification Using In Vitro Seed Germination Assay written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
Cardinal temperatures for plant processes have been used for thermotolerance screening of genotypes, geoclimatic adaptability determination and phenological prediction. Current simulation models for switchgrass (Panicum virgatum L.) utilize single cardinal temperatures across genotypes for both vegetative and reproductive processes although in-tra-specific variation exists among genotypes. An experiment was conducted to estimate the cardinal temperatures for seed germination of 14 diverse switchgrass genotypes and to classify genotypes for temperature tolerance. Stratified seeds of each genotype were germinated at eight constant temperatures from 10 °C to 45 °C under a constant light intensity of 35 [mu]mol m-2s-1 for 12 hd-1. Germination was recorded at 6-h intervals in all treatments. Maximum seed germination (MSG) and germination rate (GR), estimated by fitting Sigmoidal function to germination-time series data, varied among genotypes. Quadratic and bilinear models best described the MSG and GR responses to temperature, respectively. The mean cardinal temperatures, Tmin, Topt, and Tmax, were 8.1, 26.6, and 45.1 °C for MSG and 11.1, 33.1, and 46.0 °C for GR, respectively. Cardinal temperatures for MSG and GR; however, varied significantly among genotypes. Genotypes were classified as sensitive (Cave-in-Rock, Dacotah, Expresso, Forestburg, Kanlow, Sunburst, Trailblazer, and Tusca), intermediate (Alamo, Blackwell, Carthage, Shawnee, and Shelter) and tolerant (Summer) to high temperature based on cumulative temperature response index (CTRI) estimated by summing individual response indices estimated from the MSG and GR cardinal temperatures. Similarly, genotypes were also classified as sensitive (Alamo, Blackwell, Carthage, Dacotah, Shawnee, Shelter and Summer), moderately sensitive (Cave-in-rock, Forestburg, Kanlow, Sunburst, and Tusca), moderately tolerant (Trailblazer), and tolerant (Expresso) to low temperatures. The cardinal temperature estimates would be useful to improve switchgrass models for field applications. Additionally, the identified cold- and heat-tolerant genotypes can be selected for niche environments and in switchgrass breeding programs to develop new genotypes for low and high temperature environments.
Switchgrass Panicum Virgatum L Intraspecific Variation And Temperature Tolerance Classification Using In Vitro Seed Germination Assay
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Author : Ramdeo Seepaul
language : en
Publisher:
Release Date : 2010
Switchgrass Panicum Virgatum L Intraspecific Variation And Temperature Tolerance Classification Using In Vitro Seed Germination Assay written by Ramdeo Seepaul and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Germination categories.
An experiment was conducted to determine temperature effects on switchgrass seed germination, a native species with feedstock potential for the biofuel industry. Stratified seeds were germinated at constant temperatures, 15 to 45°C with 5°C interval. Maximum seed germination (MSG) and germination rate (GR), estimated by fitting sigmoid function to germination-time series data, varied among genotypes. Quadratic and bilinear models best described the MSG and GR responses to temperature, respectively. The mean cardinal temperatures, minimum, optimum and maximum, were 8.1, 26.6 and 45.1°C for MSG and 11.1, 33.1 and 46.0°C for GR, respectively, varied among genotypes. Genotypes were classified for temperature tolerance based on cumulative temperature response index: 'Summer' and 'Expresso' were identified as the most heat- and cold-tolerant genotypes, respectively. The functional algorithms and identified tolerant genotypes may be used to improve switchgrass models for field applications and breeding programs to develop new genotypes with enhanced tolerance for niche environments.
Protective Chemical Agents In The Amelioration Of Plant Abiotic Stress
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Author : Aryadeep Roychoudhury
language : en
Publisher: John Wiley & Sons
Release Date : 2020-07-07
Protective Chemical Agents In The Amelioration Of Plant Abiotic Stress written by Aryadeep Roychoudhury and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-07-07 with Science categories.
A guide to the chemical agents that protect plants from various environmental stressors Protective Chemical Agents in the Amelioration of Plant Abiotic Stress offers a guide to the diverse chemical agents that have the potential to mitigate different forms of abiotic stresses in plants. Edited by two experts on the topic, the book explores the role of novel chemicals and shows how using such unique chemical agents can tackle the oxidative damages caused by environmental stresses. Exogenous application of different chemical agents or chemical priming of seeds presents opportunities for crop stress management. The use of chemical compounds as protective agents has been found to improve plant tolerance significantly in various crop and non-crop species against a range of different individually applied abiotic stresses by regulating the endogenous levels of the protective agents within plants. This important book: Explores the efficacy of various chemical agents to eliminate abiotic stress Offers a groundbreaking look at the topic and reviews the most recent advances in the field Includes information from noted authorities on the subject Promises to benefit agriculture under stress conditions at the ground level Written for researchers, academicians, and scientists, Protective Chemical Agents in the Amelioration of Plant Abiotic Stress details the wide range of protective chemical agents, their applications, and their intricate biochemical and molecular mechanism of action within the plant systems during adverse situations.
Abiotic And Biotic Stress In Plants
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Author : Arun Shanker
language : en
Publisher: BoD – Books on Demand
Release Date : 2016-02-17
Abiotic And Biotic Stress In Plants written by Arun Shanker and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-02-17 with Technology & Engineering categories.
The impact of global climate change on crop production has emerged as a major research priority during the past decade. Understanding abiotic stress factors such as temperature and drought tolerance and biotic stress tolerance traits such as insect pest and pathogen resistance in combination with high yield in plants is of paramount importance to counter climate change related adverse effects on the productivity of crops. In this multi-authored book, we present synthesis of information for developing strategies to combat plant stress. Our effort here is to present a judicious mixture of basic as well as applied research outlooks so as to interest workers in all areas of plant science. We trust that the information covered in this book would bridge the much-researched area of stress in plants with the much-needed information for evolving climate-ready crop cultivars to ensure food security in the future.
Heat Stress Tolerance In Plants
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Author : Shabir H. Wani
language : en
Publisher: John Wiley & Sons
Release Date : 2020-04-06
Heat Stress Tolerance In Plants written by Shabir H. Wani and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-06 with Science categories.
Demystifies the genetic, biochemical, physiological, and molecular mechanisms underlying heat stress tolerance in plants Heat stress—when high temperatures cause irreversible damage to plant function or development—severely impairs the growth and yield of agriculturally important crops. As the global population mounts and temperatures continue to rise, it is crucial to understand the biochemical, physiological, and molecular mechanisms of thermotolerance to develop ‘climate-smart’ crops. Heat Stress Tolerance in Plants provides a holistic, cross-disciplinary survey of the latest science in this important field. Presenting contributions from an international team of plant scientists and researchers, this text examines heat stress, its impact on crop plants, and various mechanisms to modulate tolerance levels. Topics include recent advances in molecular genetic approaches to increasing heat tolerance, the potential role of biochemical and molecular markers in screening germplasm for thermotolerance, and the use of next-generation sequencing to unravel the novel genes associated with defense and metabolite pathways. This insightful book: Places contemporary research on heat stress in plants within the context of global climate change and population growth Includes diverse analyses from physiological, biochemical, molecular, and genetic perspectives Explores various approaches to increasing heat tolerance in crops of high commercial value, such as cotton Discusses the applications of plant genomics in the development of thermotolerant ‘designer crops’ An important contribution to the field, Heat Stress Tolerance in Plants is an invaluable resource for scientists, academics, students, and researchers working in fields of pulse crop biochemistry, physiology, genetics, breeding, and biotechnology.
Biomass Utilization
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Author : Wilfred Cote
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-01
Biomass Utilization written by Wilfred Cote and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-12-01 with Science categories.
This proceedings volume represents the culmination of nearly three years of planning, organizing and carrying out of a NATO Ad vanced Study Institute on Biomass Utilization. The effort was initi ated by Dr. Harry Sobel, then Editor of Biosources Digest, and a steering committee representing the many disciplines that this field brings together. . When the fiscal and logistical details of the original plan could not be worked out, the idea was temporarily suspended. In the spring of 1982, the Renewable Materials Institute of the State University of New York at the College of Environmental Science and Forestry in Syracuse, New York revived the plan. A number of modifications had to be made, including the venue which was changed from the U.S.A. to Portugal. Additional funding beyond the basic support provided by the Scientific Affairs Division of NATO had to be obtained. Ul timately there were supplementary grants from the Foundation for Microbiology and the Anne S. Richardson Fund to assist student participants. The New York State College of Forestry Foundation, Inc. provided major support through the Renewable Ma terials Institute. The ASI was held in Alcabideche, Portugal from September 26 to October 9, 1982. Eighty participants including fifteen principal lecturers were assembled at the Hotel Sintra Estoril for the program that was organized as a comprehensive course on biomass utilization. The main lectures were supplemented by relevant short papers offered by the participants.
Seeds
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Author : J. Derek Bewley
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-10-23
Seeds written by J. Derek Bewley and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-23 with Science categories.
This updated and much revised third edition of Seeds: Physiology of Development, Germination and Dormancy provides a thorough overview of seed biology and incorporates much of the progress that has been made during the past fifteen years. With an emphasis on placing information in the context of the seed, this new edition includes recent advances in the areas of molecular biology of development and germination, as well as fresh insights into dormancy, ecophysiology, desiccation tolerance, and longevity. Authored by preeminent authorities in the field, this book is an invaluable resource for researchers, teachers, and students interested in the diverse aspects of seed biology.
Microbes For Climate Resilient Agriculture
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Author : Prem Lal Kashyap
language : en
Publisher: John Wiley & Sons
Release Date : 2018-03-07
Microbes For Climate Resilient Agriculture written by Prem Lal Kashyap and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-07 with Science categories.
A comprehensive, edited volume pulling together research on manipulation of the crop microbiome for climate resilient agriculture Microbes for Climate Resilient Agriculture provides a unique collection of data and a holistic view of the subject with quantitative assessment of how agricultural systems will be transformed in coming decades using hidden treasure of microbes. Authored by leaders in the field and edited to ensure conciseness and clarity, it covers a broad range of agriculturally important crops, discusses the impact of climate change on crops, and examines biotechnologically and environmentally relevant microbes. The book encapsulates the understanding of microbial mediated stress management at field level, and will serve as a springboard for novel research findings and new applications in the field. Chapter coverage includes: the role of the phytomicrobiome in maintaining biofuel crop production in a changing climate; the impact of agriculture on soil microbial community composition and diversity in southeast Asia; climate change impact on plant diseases; microalgae; photosynthetic microorganisms and bioenergy prospects; amelioration of abiotic stresses in plants through multi-faceted beneficial microorganisms; role of methylotrophic bacteria in climate change mitigation; conservation agriculture for climate change resilience; archaeal community structure; mycorrhiza-helping plants to navigate environmental stresses; endophytic microorganisms; bacillus thuringiensis; and microbial nanotechnology for climate resilient agriculture. Clear and succinct chapters contributed and edited by leaders in the field Covers microbes' beneficial and detrimental roles in the microbiome, as well as the functions they perform under stress Discusses the crop microbiome, nutrient cycling microbes, endophytes, mycorrhizae, and various pests and diseases, and their roles in sustainable farming Places research in larger context of climate change's effect on global agriculture Microbes for Climate Resilient Agriculture is an important text for scientists and researchers studying microbiology, biotechnology, environmental biology, agronomy, plant physiology, and plant protection.
Photosynthesis Structures Mechanisms And Applications
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Author : Harvey J.M. Hou
language : en
Publisher: Springer
Release Date : 2017-05-16
Photosynthesis Structures Mechanisms And Applications written by Harvey J.M. Hou and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-16 with Science categories.
To address the environmental, socioeconomic, and geopolitical issues associated with increasing global human energy consumption, technologies for utilizing renewable carbon-free or carbon-neutral energy sources must be identified and developed. Among renewable sources, solar energy is quite promising as it alone is sufficient to meet global human demands well into the foreseeable future. However, it is diffuse and diurnal. Thus effective strategies must be developed for its capture, conversion and storage. In this context, photosynthesis provides a paradigm for large-scale deployment. Photosynthesis occurs in plants, algae, and cyanobacteria and has evolved over 3 billion years. The process of photosynthesis currently produces more than 100 billion tons of dry biomass annually, which equates to a global energy storage rate of ~100 TW. Recently, detailed structural information on the natural photosynthetic systems has been acquired at the molecular level, providing a foundation for comprehensive functional studies of the photosynthetic process. Likewise, sophisticated spectroscopic techniques have revealed important mechanistic details. Such accomplishments have made it possible for scientists and engineers to construct artificial systems for solar energy transduction that are inspired by their biological counterparts. The book contains articles written by experts and world leaders in their respective fields and summarizes the exciting breakthroughs toward understanding the structures and mechanisms of the photosynthetic apparatus as well as efforts toward developing revolutionary new energy conversion technologies. The topics/chapters will be organized in terms of the natural sequence of events occurring in the process of photosynthesis, while keeping a higher-order organization of structure and mechanism as well as the notion that biology can inspire human technologies. For example, the topic of light harvesting, will be followed by charge separation at reaction centers, followed by charge stabilization, followed by chemical reactions, followed by protection mechanisms, followed by other more specialized topics and finally ending with artificial systems and looking forward. As shown in the table of contents (TOC), the book includes and integrates topics on the structures and mechanisms of photosynthesis, and provides relevant information on applications to bioenergy and solar energy transduction.