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《Soybean Science》 1984-04
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Xu Bao Zheng Hueiyu Lu Jingliang Zhou Shuchuen Shao Rongchuen(Soybean Instimle, Jitin Academy of Agricultural Sciences)  
The seed protein contents of 1635 collectious of cultivated soybean (G. max) and 1695 collections of wild soybean (G. soja) in China were analyzed. The mean value and coeificient of variation for all cultivated soybean samples was 42.15±3.19% and 7.632% and 46.83±3.18% and 6.795%for wild soybean respectively. There was a nagative correlation between the protein content of cultivated soybean and the latitude orginated. The highest protein content samples came from 30-31°N region. As for the wild soybean, two high protein regions appeared at 30-32°N and north of 43°N. The characteristics of high protein content of soybean germplasm in China and its exploitation was discussed. Compared the protein contents of cultivated soybean with that of wild soybean at different latitudes, it was suggested that 34-35°N region might be original area of soybean.
【Fund】: 部分工作属中国科学院科学基金
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