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Author: M. K. Razdan
Publisher: Bib. Orton IICA / CATIE
ISBN: 9781886106765
Category : Nature
Languages : en
Pages : 16
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Book Description
This text presents the research findings of international research institutes and organizations who have co-ordinated efforts to use tissue culture methods for the conservation of certain crops. The articles highlight the direction of efforts in germplasm conservation.
Author: M. K. Razdan
Publisher: Bib. Orton IICA / CATIE
ISBN: 9781886106765
Category : Nature
Languages : en
Pages : 16
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Book Description
This text presents the research findings of international research institutes and organizations who have co-ordinated efforts to use tissue culture methods for the conservation of certain crops. The articles highlight the direction of efforts in germplasm conservation.
Author:
Publisher:
ISBN:
Category : Germplasm resources conservation
Languages : en
Pages : 0
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Book Description
Author: J.H. Dodds
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 272
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Book Description
However, the transition from primitive to 'advanced' cultivars has had the effect of narrowing the genetic base. This has happened in two distinct ways: (1) selection for relative uniformity, resulting in 'pure' lines, multi lines, single or double hybrids, etc. ; and (2) selection for closely defined objectives. Both of these processes have resulted in a marked reduction in genetic variation. At the same time, there has been a tendency to restrict the gene pool from which parental material has been drawn. This is a result of the high level of productivity achieved when breeding within a restricted but well-adapted gene pool, and of breeding methods which have made it possible to introduce specifically desired improvements, such as disease resistance and quality characteristics, into breeding stocks with a minimum of disturbance to genotypic structure. Developments in agriculture, such as intensive mechanization, the widespread application of fertilizers and the use of herbicides, fungicides and pesticides, have created a situation whereby a few, selected high yielding cultivars may be grown over large parts of the earth, so further contributing to a decline in crop genetic diversity. This process is under way in all countries, both developed and developing, and unfortunately in cludes some of the richest primary and secondary gene centres of several important food crops.
Author:
Publisher: Bioversity International
ISBN: 9290435348
Category : Crops
Languages : en
Pages : 102
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Book Description
Author: John H. Dodds
Publisher:
ISBN: 9780442311650
Category : Cassava
Languages : en
Pages : 247
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309131863
Category : Technology & Engineering
Languages : en
Pages : 476
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Book Description
This anchor volume to the series Managing Global Genetic Resources examines the structure that underlies efforts to preserve genetic material, including the worldwide network of genetic collections; the role of biotechnology; and a host of issues that surround management and use. Among the topics explored are in situ versus ex situ conservation, management of very large collections of genetic material, problems of quarantine, the controversy over ownership or copyright of genetic material, and more.
Author: M. K. Razdan
Publisher:
ISBN: 9781578080557
Category : Nature
Languages : en
Pages : 362
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Book Description
This second volume on the conservation of plant genetic resources in vitro focuses on applications and limitations.
Author: Andreas W. Ebert
Publisher: MDPI
ISBN: 3036508945
Category : Science
Languages : en
Pages : 672
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Book Description
The papers included in this Special Issue address a variety of important aspects of plant biodiversity and genetic resources, including definitions, descriptions, and illustrations of different components and their value for food and nutrition security, breeding, and environmental services. Furthermore, comprehensive information is provided regarding conservation approaches and techniques for plant genetic resources, policy aspects, and results of biological, genetic, morphological, economic, social, and breeding-related research activities. The complexity and vulnerability of (plant) biodiversity and its inherent genetic resources, as an integral part of the contextual ecosystem and the human web of life, are clearly demonstrated in this Special Issue, and for several encountered problems and constraints, possible approaches or solutions are presented to overcome these.
Author: Nigel Maxted
Publisher: Cambridge University Press
ISBN: 1108907776
Category : Science
Languages : en
Pages : 598
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Book Description
Plant diversity sustains all animal life, and the genetic diversity within plants underpins global food security. This text provides a practical and theoretical introduction to the strategies and actions to adopt for conserving plant genetic variation, as well as explaining how humans can exploit this diversity for sustainable development. Notably readable, it initially offers current knowledge on the characterization and evaluation of plant genetic resources. The authors then discuss strategies from in situ and ex situ conservation to crop breeding, exploring how these can be used to improve food security in the face of increasing agrobiodiversity loss, human population growth and climate change. Each chapter draws on examples from the literature or the authors' research and includes further reading references. Containing other useful features such as a glossary, it is invaluable for professionals and undergraduate and graduate students in plant sciences, ecology, conservation, genetics and natural resource management.
Author: Lyndsey A. Withers
Publisher:
ISBN:
Category : Gene banks, Plant
Languages : en
Pages : 48
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Book Description
