Dormancy Mechanisms Of Switchgrass Panicum Virgatum L Seeds
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Dormancy Mechanisms Of Switchgrass Panicum Virgatum L Seeds
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Author : Brietta D. Murphy
language : en
Publisher:
Release Date : 2008
Dormancy Mechanisms Of Switchgrass Panicum Virgatum L Seeds written by Brietta D. Murphy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Abscisic acid categories.
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.
Physiological Mechanisms Affecting The Dormancy Of Switchgrass Panicum Virgatum L
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Author : Gene Stradford Heidemann
language : en
Publisher:
Release Date : 1964
Physiological Mechanisms Affecting The Dormancy Of Switchgrass Panicum Virgatum L written by Gene Stradford Heidemann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.
Sabkha Ecosystems
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Author : M. Ajmal Khan
language : en
Publisher: Springer
Release Date : 2016-06-22
Sabkha Ecosystems written by M. Ajmal Khan and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-06-22 with Science categories.
This book is a part of the Sabkha Ecosystems series which was designed to provide information on sabkha ecosystems of different regions and to add to the collective knowledge available about saline ecosystems. The comprehensive coverage assists the reader gaining a thorough understanding of sabkha geology, hydrology, geomorphology, zoology, botany, ecology and ecosystem functioning, as well as sabkha conservation, utilization and development. Volume I focused on The Arabian Peninsula and Adjacent Countries, volume II was based on describing saline ecosystems of West and Central Asia , volume III referred to Africa and Southern Europe, while volume IV focused on Cash Crop Halophyte and Biodiversity Conservation. The present volume V focuses on Americans.
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.
Seed Dormancy And Germination
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Author : J. W. Bradbeer
language : en
Publisher: Blackie Academic and Professional
Release Date : 1988
Seed Dormancy And Germination written by J. W. Bradbeer and has been published by Blackie Academic and Professional this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Nature categories.
The seed; Seed formation; Seed structure and composition; Germination; The mechanisms of seed dormancy; The breaking of seed dormancy; Seeds in the natural environment; Seed viability and vigour; Seed technology; An experimental approach to seed biology.
The Physiology And Biochemistry Of Seed Dormancy And Germination
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Author : Anwar Ahmad Khan
language : en
Publisher:
Release Date : 1977
The Physiology And Biochemistry Of Seed Dormancy And Germination written by Anwar Ahmad Khan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Science categories.
Seed development and germination; Seed dormancy and germination; Seed vigor, stress and seed germination.
Seed Dormancy And Germination
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Author : Jose Carlos Jimenez-Lopez
language : en
Publisher: BoD – Books on Demand
Release Date : 2020-01-08
Seed Dormancy And Germination written by Jose Carlos Jimenez-Lopez 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 2020-01-08 with Science categories.
Seed dormancy and germination are critical processes for the development of plants. Seed dormancy allows seeds to overcome harsh periods of seedling establishment, and is also important for plant agriculture and crop yield. Several processes are involved in the induction of dormancy and in the shift from the dormant to the germinating state, and hormones and regulatory genetic networks are among the critical factors driving these complex processes. Germination can be prevented by different factors leading to seed dormancy, which is highly dependent on environmental cues. During and after germination, early seedling growth is sustained by catabolism of stored reserves (proteins, lipids, or starch) accumulated during seed maturation, supporting cell morphogenesis, chloroplast development, and root growth until photo-auxotrophic growth can be resumed.
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.
The Effect Of Seed Size And Temperature On The Germination And Seedling Vigor Of Switchgrass Panicum Virgatum L And Tall Fescue Festuca Arundinacea Scherb
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Author : Nimbaji Shrawanji Katole
language : en
Publisher:
Release Date : 1973
The Effect Of Seed Size And Temperature On The Germination And Seedling Vigor Of Switchgrass Panicum Virgatum L And Tall Fescue Festuca Arundinacea Scherb written by Nimbaji Shrawanji Katole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Fescue categories.