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Acta Prataculturae Sinica ›› 2017, Vol. 26 ›› Issue (1): 81-89.DOI: 10.11686/cyxb2016084

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Evaluation of Japanese soybean varieties in the Sichuan Basin, China

WU Hai-Jun1, YANG Cai-Qiong1, Nasir Iqbal1, DENG Jun-Cai1, DAI Wei1, LIU Wei-Guo1,2, YANG Feng1, SHU Kai1,2, DU Jun-Bo1, YANG Wen-Yu1,*, LIU Jiang1,2,*   

  1. 1.College of Agronomy, Sichuan Agricultural University, Key Laboratory of Crop Ecophysiology and Farming System in Southwest, Ministry of Agriculture, Chengdu 611130, China;
    2.Institute of Ecological Agriculture, Sichuan Agricultural University, Chengdu 611130, China
  • Received:2016-03-03 Online:2017-01-20 Published:2017-01-20

Abstract: In this study 17 soybean genotypes were introduced from Japan to the Sichuan Basin with an aim to assess their adaptability. Comparison of quality traits showed that variation in isoflavone content was highest; the coefficient of variation values were generally greater than 30% (apart from aglycone), while the coefficient variation for other seed compounds was around 10%. The soluble protein contents of the tested soybean seeds were relatively high while fatty acids, soluble polysaccharides and isoflavone were low. Principal component analysis and cluster analysis divided the 17 germplasms into five groups. Individually, Group-Ⅰ comprised high-oil varieties, their linoleic acid content were>55‰, suggesting that they could be used to produce high-oil hybrid varieties. Group-Ⅲ comprised high-protein varieties, potentially useful for developing varieties to produce soy raw materials; Group-Ⅴ comprised high-isoflavone varieties, which could potentially be used to produce varieties useful for functional food or fodder.