Seeds Of Maturity
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Seed Maturity in White Fir and Red Fir
Author | : William W. Oliver |
Publsiher | : Unknown |
Total Pages | : 20 |
Release | : 1974 |
Genre | : Abies concolor |
ISBN | : MINN:31951D02964819B |
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The Woody Plant Seed Manual
Author | : United States. Forest Service |
Publsiher | : Forest Service |
Total Pages | : 1240 |
Release | : 2008 |
Genre | : Gardening |
ISBN | : MINN:30000009395322 |
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Seed Biology and Yield of Grain Crops 2nd Edition
Author | : Dennis B Egli |
Publsiher | : CABI |
Total Pages | : 231 |
Release | : 2017-02-23 |
Genre | : Technology & Engineering |
ISBN | : 9781780647708 |
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This new edition of an established title examines the determination of grain crop yield from a unique perspective, by concentrating on the influence of the seed itself. As the food supply for an expanding world population is based on grain crops harvested for their seeds, understanding the process of seed growth and its regulation is crucial to our efforts to increase production and meet the needs of that population. Yield of grain crops is determined by their assimilatory processes such as photosynthesis and the biosynthetic processes in the seed, which are partly regulated within the seed itself. Substantially updated with new research and further developments of the practical applications of the concepts explored, this book is essential reading for those concerned with seed science and crop yield, including agronomists, crop physiologists, plant breeders, and extension workers. It is also a valuable source of information for lecturers and graduate students of agronomy and plant physiology.
Viability of Seeds
Author | : E.H. Roberts |
Publsiher | : Springer Science & Business Media |
Total Pages | : 458 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9789400956858 |
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From prehistoric times man has had a pecial s relationship with seed plants - as a source of food, materials for tools, buildings, clothing and pharmaceuticals, and for ornamenting his surroundings for his own delight (probably in that chronological order which, incidentally, also gives some indication ofthe priorities oflife). Today man's most important staple foods are derived directly from seeds as they have been since neolithic times. (It is a sobering thought, as Harlan* has pointed out, that nothing significant has been added to his diet since then. ) From those times he must have learned to collect, conserve and cultivate seeds; and the accumulated experience has been handed down. This book then is part of an ancient tradition, for here we are still primarily concerned with these skills. Seeds are plant propagules comprised of embryos in which growth has been suspended, usually supplied with their own food reserves and protected by special covering layers. Typically they are relatively dry structures compared with other plant tissues and, in this condi tion) they are resistant to the ravages of time and their environment. But resistant is a relative tenn and seeds do deteriorate: the type, the extent and the rapidity of the deterioration, and the factors which control it are important to agronomists, horticulturalists, plant breeders, seedsmen, seed analysts, and those concerned with the conservation of genetic resources.
Seeds
Author | : Carol C. Baskin,Jerry M. Baskin |
Publsiher | : Elsevier |
Total Pages | : 666 |
Release | : 1998-06-11 |
Genre | : Science |
ISBN | : 9780080540863 |
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Seeds: Ecology, Biogeography, and Evolution of Dormancy and Germination differs from all other books on seed germination. It is an all-encompassing volume that provides a working hypothesis of the ecological and environmental conditions under which various kinds of seed dormancy have developed. It also presents information on the seed germination of more than 3500 species of trees, shrubs, vines and herbaceous species, making this a valuable reference for anyone studying germination. This book delivers information on characteristics of each type of seed dormancy, how each type of dormancy is broken in nature, and what environmental conditions are required for germination after dormancy is broken. It explains how studies should be done to distinguish persistent from transient seed banks, and covers which species should be controlled, propagated, and conserved. Seeds gives the reader insight and guidelines for doing ecologically meaningful studies on the biogeography and evolution of seed dormancy and germination in order to better understand plant reproductive strategies, life history traits, adaptations to habitats, and physiological processes. Evolutionary/phylogenetic origins and relationships of various kinds of seed dormancy A world biogeographical perspective on seed dormancy and germination Ecophysiology of seeds with each type of dormancy Critical evaluation of methodology used in soil seed bank studies Germination ecology of plants with specialized habitat and life cycle types Genetic and maternal preconditioning effects on seed dormancy and germination Guidelines for doing ecologically-meaningful germination studies
Seeds of Maturity
Author | : Andrew Arroyo |
Publsiher | : Xulon Press |
Total Pages | : 362 |
Release | : 2003-04 |
Genre | : Religion |
ISBN | : 9781591605836 |
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Maturity Indices for Grand Fir Cones
Author | : Robert D. Pfister |
Publsiher | : Unknown |
Total Pages | : 8 |
Release | : 1967 |
Genre | : Abies grandis |
ISBN | : MINN:31951D03009349G |
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A Protocol to Determine Seed Storage Behaviour
Author | : T. D. Hong,R. H. Ellis |
Publsiher | : Bioversity International |
Total Pages | : 62 |
Release | : 1996 |
Genre | : Seeds |
ISBN | : 9789290432791 |
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This publication provides an approach by which conservationists can determine whether or not long-term seed storage is feasible for a particular species, i.e. whether or not that species shows orthodox seed storage behaviour, and provides advice on the implementation of the protocol, examples of ways in which the results from seed storage studies could be misinterpreted due to confounding factors, as well as several alternative approaches for estimating seed storage behaviour prior to carryng out actual investigations with the seeds. In particular, the latter section introduces the concept of a multicriteria approach for estimating seed storage behaviour.