Viability Of Seeds by E.h. RobertsViability Of Seeds by E.h. Roberts

Viability Of Seeds

EditorE.h. Roberts

Paperback | October 9, 2011

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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.
Title:Viability Of SeedsFormat:PaperbackDimensions:9.02 × 5.98 × 0.07 inPublished:October 9, 2011Publisher:Springer NetherlandsLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:9400956878

ISBN - 13:9789400956872

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Table of Contents

1 Introduction.- 2 Storage environment and the control of viability.- 3 Microflora and seed deterioration.- 4 Effects of mechanical injuries on viability.- 5 Effects of environment before harvesting on viability.- 6 Effects of environment after sowing on viability.- 7 The measurement of viability.- 8 Vigour.- 9 Cytological, genetical, and metabolic changes associated with loss of viability.- 10 Loss of viability and crop yields.- 11 Dormancy: a factor affecting seed survival in the soil.- 12 Control mechanisms in the resting seed.- Appendix 1 Organisation of the United States National Seed Storage Laboratory / Edwin James.- Appendix 2 Organisation of the National Seed Storage Laboratory for Genetic Resources in Japan / Hiroshi Ito.- Appendix 3 Viability Nomographs / E. H. Roberts and Dorothy L. Roberts.- Appendix 4 Moisture content of seeds / E. H. Roberts and Dorothy L. Roberts.