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About this book
About this book
This 1975 book deals with one of the world's fastest disappearing natural resources - the invaluable reservoir of genetic variability in our cultivated plants which have evolved since our forebears began to domesticate them some 10,000 years ago. The preservation of these 'genetic resources', as they have come to be called, is vital to mankind. Without them the geneticists and plant breeders cannot breed the new varieties needed to feed the world's population by providing more disease-resistant strains of our food plants. This volume explores topics such as how to collect and preserve this variation. It ends with a section on how these activities are planned on a world scale through the medium of FAO and other international agencies, and with the participation of scientists from developed and developing countries. This book will be of use as an intelligently written work of much historic value.
List of contributors; 1. Genetic resources - the past ten years and the next O. H. Frankel and J. G. Hawkes; Part I. Genetic Variation in Plant Populations: 2. Population structure and the effects of breeding system S. K. Jain; 3. Population structure and the effects of isolation and selection A. D. Bradshaw; 4. Optimum sampling strategies in genetic conservation D. R. Marshall and A. H. D. Brown; 5. Sampling germplasm in a center of diversity: an example of disease resistance in Ethiopian barley C. O. Qualset; Part II. Exploration; Section 1. Exploration Targets: 6. Genetic resources survey as a basis for exploration O. H. Frankel; Section 2. Practical Problems in Exploration: 7. Seed crops J. R. Harlan; 8. Vegetatively propagated crops J. G. Hawkes; 9. Tree crops J. T. Sykes; Section 3. National and Regional Exploration Activities: 10. Recent plant exploration in the USA H. L. Hyland; 11. Plant exploration in the USSR D. D. Brezhnev; 12. Recent and proposed exploration activities of the Izmir Centre, Turkey H. A. Sencer; 13. Exploration and survey in rice T. T. Chang; 14. Potato collecting expeditions in Chile, Bolivia and Peru, and the genetic erosion of indigenous cultivars C. Ochoa; 15. Recent cocoa collecting expeditions J. Soria; Part III. Evaluation Problems: 16. The search for disease and insect resistance in rice germplasm T. T. Chang, S. H. Ou, M. D. Pathak, K. C. Ling and H. E. Kauffman; 17. Evaluation of sources of disease resistance A. Dinoor; 18. Evaluation of material for frost and drought resistance in wheat breeding V. F. Dorofeev; 19. The identification of high-quality protein variants and their use in crop plant improvement D. E. Alexander; 20. Screening for oils and fats in plants G. Robbelen; 21. Secondary metabolites and crop plants R. Henauer; Part IV. Conservation and Storage: 22. Problems of long-term storage of seed and pollen for genetic resources conservation E. H. Roberts; 23. Genetic maintenance of seeds in imbibed storage T. A. Villiers; 24. Some factors contributing to the survival of crop seeds cooled to the temperature of liquid nitrogen A. Sakai and M. Noshiro; 25. Meristem culture techniques for the long-term storage of cultivated plants G. Morel; 26. The problem of genetic stability in plant tissue and cell cultures F. D'Amato; 27. Technical aspects of tissue culture storage for genetic conservation G. G. Henshaw; 28. Possible long-term cold storage of woody plant material B. H. Howard; 29. The storage of germplasm of tropical roots and tubers in the vegetative form F. W. Martin; 30. Genetic reserves S. K. Jain; Part V. Documentation and Information Management: 31. Documentation for genetic resources centers D. J. Rogers, B. Snoad and L. Seidewitz; 32. Documentation and information requirements for genetic resources application G. N. Hersh and D. J. Rogers; Part VI. Genetic Resources Centres: 33. Crop germplasm diversity and resources in Ethiopia M. H. Mengesha; 34. A regional plan for the collection, conservation and evaluation of genetic resources E. Kjellqvist; 35. IRRI's role as a genetic resources center T. T. Chang, R. L. Villareal, G. Loresto and A. T. Perez; 36. Maize germplasm banks in the Western Hemisphere W. L. Brown; 37. Genetic resources centres - a co-operative global network O. H. Frankel; Index.