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Genetic Diversity In Agriculture
Part 1 of Paper ....and wild plants, including wild species, in search
of new genes. The appearance of new diseases, new pests, or new virulent forms
of disease causing organisms makes it imperative that the plant be preserved,
because it offers a potential for the presence of disease resistant genes not
present in cultivated varieties. .... Part 2 of Paper ....ts. Agricultural process,
as a result of new breeding programs, has reduced rather than increased crop
variability as improved cultivars, or varieties, are planted in wider and wider
areas and old cultivars, which may contain valuable genes, are lost. Crop
failures, which result in a smaller gene pool, have led to an increased
awareness of the need to preserve genetic diversity in plants. Efforts are
under way to increase collections of plant materials in various forms. Usually
these are pre.... |
Number of words: 709 - Approximate pages: 3 |
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