Prospect and Present Statue of Gene Discovery and Utilization for Introduced Soybean Germplasm
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S633.202.4 S512.1[机标]

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    Abstract:

    A total of 2156 near isogenic lines,genetic stocks, modern cultivars and some other soybean accessions were introduced from 22 countries including United States,Japan etc.These introductions were evaluated for their morphological traits and documented in the Chinese Soybean Germplasm Catalogs.In this paper,the achievements of introduction utilization were summarized in order to provide information for soybean researchers and breeders.By using introductions,some methods were established for characterizations such as soybean cyst nematode resistance,photophora rot resistance,lipoxygenase deficiency,kunitz inhibitor deficiency and EPSPS transgenic gene.Marker assisted breeding tended to be start because of tagging or mapping some important genes(salt tolerance,SMV resistance,photophora rot resistance,lipoxygenase deficiency,kunitz inhibitor deficiency) and establishing background selection strategy.Some new cultivars were also developed and planted in the soybean production by using introduction in the pedigree.Therefore,it is needed to enforce introducing soybean germplasm for sustainable soybean production as while as further study on these foreign germplasm for efficiently utilization in genetics,breeding science,phenotypics,genomics,proteomics and enzymics.

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History
  • Received:December 18,2005
  • Revised:December 27,2005
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