Improving Vegetatively Propagated Crops
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Improving Vegetatively Propagated Crops
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Author : Anthony John Abbott
language : en
Publisher:
Release Date : 1987
Improving Vegetatively Propagated Crops written by Anthony John Abbott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
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Application Of Mutation Breeding Methods In The Improvement Of Vegetatively Propagated Crops V2
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Author : C. Broertjes
language : en
Publisher: Elsevier
Release Date : 2012-12-02
Application Of Mutation Breeding Methods In The Improvement Of Vegetatively Propagated Crops V2 written by C. Broertjes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-02 with Science categories.
Application of Mutation Breeding Methods in the Improvement of Vegetatively Propagated Crops: An Interpretive Literature Review summarizes advances in the use of artificially induced mutations to improve cultivated plants, particularly those that are vegetatively propagated. It brings together all available and accessible references that examine the advantages, drawbacks, and possibilities of the mutation breeding method, as well as the challenges that prevent it from being applied to various crops. Comprised of eight chapters, this volume begins with an overview of various aspects of mutagenic treatment using chemical and physical mutagens. It then discusses the structure and functioning of shoot apices and their behavior after irradiation; adventitious bud techniques and other in vivo or in vitro methods of asexual propagation; and breeding of root and tuber crops, such as cassava and potato, ornamental crops such as foliage plants and cut flowers, fruit crops, and other crops. Plant breeders who want to better understand how to apply mutation breeding to their crops will find this book extremely helpful.
Applied Mutation Breeding For Vegetatively Propagated Crops
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Author : C. Broertjes
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Applied Mutation Breeding For Vegetatively Propagated Crops written by C. Broertjes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
When the first edition of this book appeared in 1978, it was warmly received. Most readers and reviewers especially valued the extensive coverage of the literature in the chapters dealing with the different crops. ``... a valuable and timely addition to plant breeders and of outstanding value to breeders of ornamental plants. The book's special strength resides in the extensive review of literature ...'' (International Journal for Breeding Research). This is also reflected by the many times that the work has been referred to in other publications.This new edition provides plant breeders as well as scientists with an up-to-date overview of methods and results of the application of mutation breeding in order to genetically improve vegetatively propagated crops. General principles and background information about mutation breeding in general, methods of treatment, material to be treated and results are discussed in the introductory chapters, followed by a description of the specific situation in each of the vegetatively propagated crops ever used in a mutation breeding project.This volume brings together all the important and relevant literature in the field. It provides a complete account of mutation breeding of vegetatively produced crops, presenting conclusions about the value of the method, its possibilities, limitations and shortcomings and the possible difficulties of further application in various crops. The initial chapters deal with the interactions between mutagenic treatment and plant material, such as aspects of mutagenic treatment, post-irradiation behaviour of shoot apices and adventitious bud techniques. All available literature is then discussed crop by crop and critically evaluated. Almost 1700 references are covered and whenever possible suggestions for more efficient application of mutation breeding methods are given.
Regulatory Options To Improve Seed Systems For Vegetatively Propagated Crops In Developing Countries
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Author : Spielman, David J.
language : en
Publisher: Intl Food Policy Res Inst
Release Date : 2021-06-17
Regulatory Options To Improve Seed Systems For Vegetatively Propagated Crops In Developing Countries written by Spielman, David J. and has been published by Intl Food Policy Res Inst this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-06-17 with Political Science categories.
In many developing countries, smallholder farmers cultivating vegetatively propagated crops (VPCs) have limited access to quality planting material. This constraint can limit both the yield of and returns on VPC cultivation. Yet policy and regulatory initiatives designed to strengthen access to quality VPC planting materials have been relatively unsuccessful to date. Part of the problem is the unique biological and economic characteristics of vegetative propagation and its distinctness from cereal crops, which dominate narratives on seed system reforms. Drawing on qualitative analysis of policy and practice, this study examines reform options related to quality assurance regulations in four crop-country combinations: cassava in Nigeria and Vietnam, and potato in Kenya and Vietnam. The study highlights theory and evidence on existing models of regulation; alternative models that may better incentivize cost-effective multiplication and distribution; and recommendations for policy, regulation, and investment in VPC seed markets. Findings indicate that regulations designed around strict and centralized quality control systems tend to limit market size, while more localized production systems are limited by both capacity and reach. These findings suggest the need for alternatives that balance a permissive regulatory regime with decentralized production systems, grassroots capacity development, market surveillance, and systems that integrate internal (producer-level) quality assurance with external (regulatory) quality assurance.
Application Of Mutation Breeding Methods In The Improvement Of Vegetatively Propagated Crops
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Author : C. Broertjes
language : en
Publisher:
Release Date : 1928
Application Of Mutation Breeding Methods In The Improvement Of Vegetatively Propagated Crops written by C. Broertjes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1928 with categories.
Induced Mutations In Vegetatively Propagated Plants Ii
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Author :
language : en
Publisher:
Release Date : 1982
Induced Mutations In Vegetatively Propagated Plants Ii written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.
Regulatory Options To Improve Seed Systems For Vegetatively Propagated Crops In Developing Countries
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Author : David J. Spielman
language : en
Publisher:
Release Date : 2021
Regulatory Options To Improve Seed Systems For Vegetatively Propagated Crops In Developing Countries written by David J. Spielman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
Somaclonal Variation And Induced Mutations In Crop Improvement
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Author : S.M. Jain
language : en
Publisher: Springer Science & Business Media
Release Date : 1998-05-31
Somaclonal Variation And Induced Mutations In Crop Improvement written by S.M. Jain and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-05-31 with Science categories.
Genetic variability is an important parameter for plant breeders in any con ventional crop improvement programme. Very often the desired variation is un available in the right combination, or simply does not exist at all. However, plant breeders have successfully recombined the desired genes from cultivated crop gerrnplasm and related wild species by sexual hybridization, and have been able to develop new cultivars with desirable agronomie traits, such as high yield, disease, pest, and drought resistance. So far, conventional breeding methods have managed to feed the world's ever-growing population. Continued population growth, no further scope of expanding arable land, soil degradation, environ mental pollution and global warrning are causes of concern to plant biologists and planners. Plant breeders are under continuous pressure to improve and develop new cultivars for sustainable food production. However, it takes several years to develop a new cultivar. Therefore, they have to look for new technologies, which could be combined with conventional methods to create more genetic variability, and reduce the time in developing new cultivars, with early-maturity, and improved yield. The first report on induced mutation of a gene by HJ. Muller in 1927 was a major mi1estone in enhancing variation, and also indicated the potential applica tions of mutagenesis in plant improvement. Radiation sources, such as X-rays, gamma rays and fast neutrons, and chemical mutagens (e. g. , ethyl methane sulphonate) have been widely used to induce mutations.
Plant Mutation Breeding For Crop Improvement
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Author : International Atomic Energy Agency
language : en
Publisher:
Release Date : 1991
Plant Mutation Breeding For Crop Improvement written by International Atomic Energy Agency and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
Proceedings of a symposium jointly organized by the IAEA and FAO, Vienna, 18-22 June 1990. The technology of mutation induction has been accepted by plant breeders as a valuable additional tool for creating improved cultivars for agriculture and horticulture. It was amply demonstrated at the symposium that this technique has been applied with great success in many annual seed propagated crops such as rice, barley, wheat, cotton, soybean and pea. The technological problems identified primarily concerned vegetatively propagated crops and, in general, the logistic difficulties in identifying desirable mutants in large mutagenized populations.
Mutation Breeding
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Author : A. M. van Harten
language : en
Publisher: Cambridge University Press
Release Date : 1998-06-25
Mutation Breeding written by A. M. van Harten 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 1998-06-25 with Science categories.
An essential and comprehensive summary for all plant breeders.