Germination And Dormancy Studies In Poa Annua L
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Germination And Dormancy Studies In Poa Annua L
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Author : Luciano Sgambatti-Araujo
language : en
Publisher:
Release Date : 1978
Germination And Dormancy Studies In Poa Annua L written by Luciano Sgambatti-Araujo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Annual bluegrass categories.
Annual Plant Reviews Seed Development Dormancy And Germination
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Author : Kent Bradford
language : en
Publisher: John Wiley & Sons
Release Date : 2008-04-15
Annual Plant Reviews Seed Development Dormancy And Germination written by Kent Bradford 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 2008-04-15 with Science categories.
The formation, dispersal and germination of seeds are crucial stages in the life cycles of gymnosperm and angiosperm plants. The unique properties of seeds, particularly their tolerance to desiccation, their mobility, and their ability to schedule their germination to coincide with times when environmental conditions are favorable to their survival as seedlings, have no doubt contributed significantly to the success of seed-bearing plants. Humans are also dependent upon seeds, which constitute the majority of the world’s staple foods (e.g., cereals and legumes). Seeds are an excellent system for studying fundamental developmental processes in plant biology, as they develop from a single fertilized zygote into an embryo and endosperm, in association with the surrounding maternal tissues. As genetic and molecular approaches have become increasingly powerful tools for biological research, seeds have become an attractive system in which to study a wide array of metabolic processes and regulatory systems. Seed Development, Dormancy and Germination provides a comprehensive overview of seed biology from the point of view of the developmental and regulatory processes that are involved in the transition from a developing seed through dormancy and into germination and seedling growth. It examines the complexity of the environmental, physiological, molecular and genetic interactions that occur through the life cycle of seeds, along with the concepts and approaches used to analyze seed dormancy and germination behavior. It also identifies the current challenges and remaining questions for future research. The book is directed at plant developmental biologists, geneticists, plant breeders, seed biologists and graduate students.
Seed Dormancy And Germination In An Ecological Context
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Author : Laila M. Karlsson
language : en
Publisher:
Release Date : 2007
Seed Dormancy And Germination In An Ecological Context written by Laila M. Karlsson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
Growing Degree Days As A Method To Characterize Germination Flower Pattern And Chemical Flower Suppression Of A Mature Annual Bluegrass Poa Annua Var Reptans Hauskins Timm Fairway In Michigan
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Author : Ronald Nigel Calhoun
language : en
Publisher:
Release Date : 2010
Growing Degree Days As A Method To Characterize Germination Flower Pattern And Chemical Flower Suppression Of A Mature Annual Bluegrass Poa Annua Var Reptans Hauskins Timm Fairway In Michigan written by Ronald Nigel Calhoun and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Annual bluegrass categories.
Poa Annua
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Author : J. M. Vargas, Jr.
language : en
Publisher: John Wiley & Sons
Release Date : 2003-12-19
Poa Annua written by J. M. Vargas, Jr. 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 2003-12-19 with Architecture categories.
Annual bluegrass is the most widespread turfgrass species maintained on intensively cultured turf. Indeed, most of the top golf courses in the world have greens composed, at least in part, of this type of turfgrass There have historically been conflicting beliefs as to why many golf courses have problems with annual bluegrass populations during the summertime months. Through analysing the industry's latest research and pest control technologies the author helps put to rest this debate and offers methods for growing and maintaining healthy annual bluegrass. Written by leading experts in their field, this book contains many colour photographs and is a practical guide for golf course and turgrass specialists.
Seeds
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Author : Carol C. Baskin
language : en
Publisher: Elsevier
Release Date : 2014-02-20
Seeds written by Carol C. Baskin and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-02-20 with Science categories.
The new edition of Seeds contains new information on many topics discussed in the first edition, such as fruit/seed heteromorphism, breaking of physical dormancy and effects of inbreeding depression on germination. New topics have been added to each chapter, including dichotomous keys to types of seeds and kinds of dormancy; a hierarchical dormancy classification system; role of seed banks in restoration of plant communities; and seed germination in relation to parental effects, pollen competition, local adaption, climate change and karrikinolide in smoke from burning plants. The database for the world biogeography of seed dormancy has been expanded from 3,580 to about 13,600 species. New insights are presented on seed dormancy and germination ecology of species with specialized life cycles or habitat requirements such as orchids, parasitic, aquatics and halophytes. Information from various fields of science has been combined with seed dormancy data to increase our understanding of the evolutionary/phylogenetic origins and relationships of the various kinds of seed dormancy (and nondormancy) and the conditions under which each may have evolved. This comprehensive synthesis of information on the ecology, biogeography and evolution of seeds provides a thorough overview of whole-seed biology that will facilitate and help focus research efforts. Most wide-ranging and thorough account of whole-seed dormancy available Contains information on dormancy and germination of more than 14,000 species from all the continents – even the two angiosperm species native to the Antarctica continent Includes a taxonomic index so researchers can quickly find information on their study organism(s) and Provides a dichotomous key for the kinds of seed dormancy Topics range from fossil evidence of seed dormancy to molecular biology of seed dormancy Much attention is given to the evolution of kinds of seed dormancy Includes chapters on the basics of how to do seed dormancy studies; on special groups of plants, for example orchids, parasites, aquatics, halophytes; and one chapter devoted to soil seed banks Contains a revised, up-dated classification scheme of seed dormancy, including a formula for each kind of dormancy Detailed attention is given to physiological dormancy, the most common kind of dormancy on earth
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.
Factors Influencing Dormancy And Persistence In Buried Seed Of Five Grass Species
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Author : David Eugene Schafer
language : en
Publisher:
Release Date : 1968
Factors Influencing Dormancy And Persistence In Buried Seed Of Five Grass Species written by David Eugene Schafer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Grasses categories.
Field and growth chamber studies were conducted to ascertain the effects of some environmental factors on the persistence of viable buried seed of Agrostis tenuis, Avena fatua, Lolium multiflorum, Lolium perenne, and Poa annua. Through the use of a population model, specific effects of environment on parameters of viability and nonviability were studied. The parameters of viability included seed quiescence and terminal dormancy. In situ germination and nonviability among ungerminated seed plus their composite, total nonviability, comprised the parameters of nonviability. Of the five species studied, only buried seed of L. perenne was found to be nonpersistent. Variation in the degree of persistence was found among different seed lots of L. multiflorum. Quiescence among buried seed of the persistent species was greater at deeper burial depths. Nonviability among buried seed was found to be less extensive at deeper burial depths. Seed samples of persistent species recovered from burial under perennial ryegrass plant cover displayed higher levels of terminal dormancy than similar samples recovered from indigenous weed, wheat and alfalfa plots. Low soil temperature and high soil moisture, characteristic of winter conditions in western Oregon, were effective in maintaining viability of buried seed. These conditions were also found to be conducive to the induction of secondary seed dormancy. The depletion of viable, buried seeds through in situ germination occurred at intermediate soil temperatures and soil moisture. Such conditions prevail in western Oregon during autumn and spring periods. High temperature and soil moisture percentage was found to increase non-viability among ungerminated seed. Seed quiescence played an important role in persistence during the early stages of seed burial. With the progression of time, terminal dormancy played an increasingly important role as a mode of buried seed persistence. In situ germination was the principle mode of buried viable seed depletion in A. fatua, L. multiflorum, L. perenne, and P. annua. Nonviability among ungerminated seed was found to be the principle mode of viable seed depletion in A. tenuis.
Canadian Journal Of Plant Science
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Author :
language : en
Publisher:
Release Date : 1979
Canadian Journal Of Plant Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Agriculture categories.
Population Biology Of Grasses
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Author : G. P. Cheplick
language : en
Publisher: Cambridge University Press
Release Date : 1998-03-28
Population Biology Of Grasses written by G. P. Cheplick and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-03-28 with Nature categories.
Dynamics.