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Author: Nigel Maxted
Publisher: Springer Science & Business Media
ISBN: 9400914377
Category : Science
Languages : en
Pages : 462
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Book Description
The recent development of ideas on biodiversity conservation was already being considered almost three-quarters of a century ago for crop plants and the wild species related to them, by the Russian geneticist N.!. Vavilov. He was undoubtedly the first scientist to understand the impor tance for humankind of conserving for utilization the genetic diversity of our ancient crop plants and their wild relatives from their centres of diversity. His collections showed various traits of adaptation to environ mental extremes and biotypes of crop diseases and pests which were unknown to most plant breeders in the first quarter of the twentieth cen tury. Later, in the 1940s-1960s scientists began to realize that the pool of genetic diversity known to Vavilov and his colleagues was beginning to disappear. Through the replacement of the old, primitive and highly diverse land races by uniform modem varieties created by plant breed ers, the crop gene pool was being eroded. The genetic diversity of wild species was equally being threatened by human activities: over-exploita tion, habitat destruction or fragmentation, competition resulting from the introduction of alien species or varieties, changes and intensification of land use, environmental pollution and possible climate change.
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: Nigel Maxted
Publisher: Springer Science & Business Media
ISBN: 9400914377
Category : Science
Languages : en
Pages : 462
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Book Description
The recent development of ideas on biodiversity conservation was already being considered almost three-quarters of a century ago for crop plants and the wild species related to them, by the Russian geneticist N.!. Vavilov. He was undoubtedly the first scientist to understand the impor tance for humankind of conserving for utilization the genetic diversity of our ancient crop plants and their wild relatives from their centres of diversity. His collections showed various traits of adaptation to environ mental extremes and biotypes of crop diseases and pests which were unknown to most plant breeders in the first quarter of the twentieth cen tury. Later, in the 1940s-1960s scientists began to realize that the pool of genetic diversity known to Vavilov and his colleagues was beginning to disappear. Through the replacement of the old, primitive and highly diverse land races by uniform modem varieties created by plant breed ers, the crop gene pool was being eroded. The genetic diversity of wild species was equally being threatened by human activities: over-exploita tion, habitat destruction or fragmentation, competition resulting from the introduction of alien species or varieties, changes and intensification of land use, environmental pollution and possible climate change.
Author: Kioumars Ghamkhar
Publisher: CRC Press
ISBN: 1000609685
Category : Technology & Engineering
Languages : en
Pages : 340
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Book Description
Exploring plant genetic resources is crucial in a time when food security has been a critical topic worldwide due to crop shortages and the impact of climate change. This new book, Plant Genetic Resources for the 21st Century: The OMICS Era, presents the practical advancements in genomics, epigenetics, metabolomics, and phenomics from the point of view of researchers and scientists working in the field of genebanks, genetics resources, and germplasm for enabling plant breeding and adaptation to a changing climate. The book highlights the importance of genebanks as centers of innovation for crop and forage improvement and discusses database solutions for genebanks and germplasm collections. The book first looks at plant genetic resources and their values and goes on to investigate several genomic technologies for plant improvement, conservation, and better adaptation to changing climates. Major crops such as wheat and barley are discussed with genomic approaches for diversity and resilience to drought and other adverse conditions. Other omics techniques discussed include phenomics for the improvement of crop adaptation, metabolomics research for germplasm improvement and adaptation, and more. This volume will be valuable for researchers who are presently working in or with genebanks and genetic resources, primarily for trait or allele discovery and germplasm improvement. Most chapters in the book can also be used as teaching material at the undergraduate and postgraduate levels.
Author: V. Ramanatha Rao
Publisher: CABI
ISBN: 9780851998862
Category : Crops
Languages : en
Pages : 510
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Book Description
This book contains edited and revised papers from a conference on 'Science and Technology for Managing Plant Genetic Diversity in the 21st Century' held in Malaysia in June 2000, organised by the International Plant Genetic Resources Institute (IPGRI). It includes keynote papers and some 40 additional ones, covering ten themes.The major scientific challenges to developing a global vision for the next century are identified and key research objectives are also discussed.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251065349
Category : Technology & Engineering
Languages : en
Pages : 399
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Book Description
Plant genetic resources provide a basis for food security, livelihood support and economic development as a major component of biodiversity. The Second Report on the State of the World’s Plant Genetic Resources for Food and Agriculture demonstrates the central role plant genetic diversity continues to play in shaping agriculture growth in the face of climate change and other environmental challenges. It is based on information gathered from Country Reports, regional syntheses, thematic studie s and scientific literature, documenting the major achievements made in this sector during the past decade and identifying the critical gaps and needs that should urgently be addressed. The Report provides the decision-makers with a technical basis for updating the Global Plan of Action on Conservation and Sustainable Use of Plant Genetic Resources for Food and Agriculture. It also aims to attract the attention of the global community to set priorities for the effective management of plant genet ic resources for the future. Purchase a print copy.
Author: M.D. Hayward
Publisher: Springer
ISBN: 0412433907
Category : Science
Languages : en
Pages : 550
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Book Description
Our requirement for plant breeders to be successful has never been greater. However one views the forecasted numbers for future population growth we will need, in the immediate future, to be feeding, clothing and housing many more people than we do, inadequately, at present. Plant breeding represents the most valuable strategy in increasing our productivity in a way that is sustainable and environmentally sensitive. Plant breeding can rightly be considered as one of the oldest multidisciplinary subjects that is known to humans. It was practised by people who first started to carry out a settled form of agriculture. The art, as it must have been at that stage, was applied without any formal underlying framework, but achieved dramatic results, as witnessed by the forms of cultivated plants we have today. We are now learning how to apply successfully the results of yet imperfect scientific knowledge. This knowledge is, however, rapidly developing, particularly in areas of tissue culture, biotechnology and molecular biology. Plant breeding's inherent multifaceted nature means that alongside obvious subject areas like genetics we also need to consider areas such as: statistics, physiology, plant pathology, entomology, biochemistry, weed science, quality, seed characteristics, repro ductive biology, trial design, selection and computing. It therefore seems apparent that modern plant breeders need to have a grasp of wide range of scientific knowledge and expertise if they are successfully to a exploit the techniques, protocols and strategies which are open to them.
Author: Jan Engels
Publisher: Cambridge University Press
ISBN: 9780521384568
Category : Medical
Languages : en
Pages : 404
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Book Description
One of the world centers of crop evolution and origin, Ethiopia has long been recognized as an important area of diversity for several major and various minor crops. Based on an international conference held in Addis Ababa, this book describes how plant genetic diversity in Ethiopia is of vital importance in breeding new varieties of crops with desirable characteristics, such as increased resistance to pests and diseases and greater adaptation to heat and drought. The three main sections in the book consider the Ethiopian center of diversity, germ plasm or genetic material collection and conservation in Ethiopia, and the evaluation and utilization of Ethiopian genetic resources. A broad range of food and feed crops and plants of medicinal and industrial importance are discussed, both at a national and international level. A brief account of conservation strategies and gene bank problems unique to Ethiopia is also given. The importance of Ethiopia's plant genetic resources to world agriculture has been demonstrated on more than one occasion. Plant breeders, geneticists, and botanists throughout the world will, therefore, find this unique book a valuable source of information and an essential reference work.
Author: Christine Frison
Publisher: Routledge
ISBN: 1136536833
Category : Technology & Engineering
Languages : en
Pages : 362
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Book Description
The International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA) is a pivotal piece of recent legislation, providing a route map for the use of such resources for sustainable agriculture and food security. Plant Genetic Resources and Food Security explains clearly the different interests and views at stake between all players in the global food chain. It touches upon many issues such as international food governance and policy, economic aspects of food and seed trade, conservation and sustainable use of food and agricultural biodiversity, hunger alleviation, ecological concerns, consumers' protection, fairness and equity between nations and generations, plant breeding techniques and socio-economic benefits related to food local economies. The book shows that despite the conflicting interests at stake, players managed to come to an agreement on food and agriculture for the sake of food security and hunger alleviation in the world. Published with the Food and Agriculture Organization (FAO) of the United Nations and with Bioversity International.
Author: Regine Andersen
Publisher: Routledge
ISBN: 1136157697
Category : Law
Languages : en
Pages : 233
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Book Description
Farmers' Rights are essential for maintaining crop genetic diversity, which is the basis of all food and agricultural production in the world. The International Treaty on Plant Genetic Resources for Food and Agriculture recognizes Farmers' Rights and provides for relevant measures. However, implementation is slow, and in many countries there is resistance. This book shows the necessity of realizing Farmers' Rights for poverty alleviation and food security, the practical possibilities of doing so, and the potential gains for development and society at large. It provides decision-makers and practitioners with a conceptual framework for understanding Farmers’ Rights and success stories showing how each of the elements of Farmers' Rights can be realized in practice. The success stories have brought substantial achievements as regards one or more of the four elements of Farmers' Rights: the rights of farmers to save, use, exchange and sell farm-saved seed; the protection of traditional knowledge; benefit- sharing; and participation in decision-making. This does not mean that these examples are perfect. Challenges encountered on the way are conveyed and offer important lessons. The stories represent different regions and localities, including Europe, Asia, Africa and Latin America, as well as various categories of stakeholders and types of initiatives and policies.
Author: M. R. Ahuja
Publisher: Springer
ISBN: 3319256378
Category : Science
Languages : en
Pages : 327
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Book Description
Genetic erosion is the loss of genetic diversity within a species. It can happen very quickly, due to catastrophic events, or changes in land use leading to habitat loss. But it can also occur more gradually and remain unnoticed for a long time. One of the main causes of genetic erosion is the replacement of local varieties by modern varieties. Other causes include environmental degradation, urbanization, and land clearing through deforestation and brush fires. In order to conserve biodiversity in plants, it is important to targets three independent levels that include ecosystems, species and genes. Genetic diversity is important to a species’ fitness, long-term viability, and ability to adapt to changing environmental conditions. Chapters in this book are written by leading geneticists, molecular biologists and other specialists on relevant topics on genetic erosion and conservation genetic diversity in plants. This divisible set of two volumes deals with a broad spectrum of topics on genetic erosion, and approaches to biodiversity conservation in crop plants and trees. Volume 1 deals with indicators and prevention of genetic erosion, while volume 2 covers genetic diversity and erosion in a number of plants species. These two volumes will also be useful to botanists, biotechnologists, environmentalists, policy makers, conservationists, and NGOs working to manage genetic erosion and biodiversity.
