单词 | germplasm |
释义 | germplasmnoun germ·plasm ˈjərm-ˌpla-zəm variants or less commonly germ plasm 1 a : germ cells and their precursors serving as the bearers of heredity b : the genetic material of germ cells : genes There is now a global effort to conserve the genetic material, or germplasm, of important crops. Omar Sattaur The extraordinary precision and reliability of the replication of the germ plasm during each nuclear division … Ernst Mayr 2 : plant or animal material (such as seeds, pollen, rootstock, or sperm) that is collected and stored chiefly for future use in breeding, conservation, or research The first U.S. facility for long-term preservation of crop germplasm, the National Seed Storage Laboratory at Fort Collins, CO, began storing collections of all major crops in 1958. Nigel J. H. Smith Well-managed collections of germ plasm will give plant breeders a broader genetic base for producing new crops with greater resistance to pests, diseases and drought. John P. Reganold et al. |
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