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中科院遗传所与河南滑县种子公司合作，以大粒优质的５８－１６１为母本，以抗病多荚的徐豆１号为父本，通过有性杂交选育而成。１９９３年分别通过天津市农作物品种审定委员会的审定和江苏省淮阴市品种审定小组认定。１主要特点科丰３４为无限结荚习性，春播生育期１３５...
The Institute of Genetics, Chinese Academy of Sciences, cooperated with Huaxian Seed Company of Henan Province, taking 58-161 with high quality as the female parent and Xudou No.1 with the disease-resistant pod as its male parent through sexual cross breeding. In 1993, it passed the examination and approval of Tianjin Crop Variety Approval Committee and Jiangsu Huaiyin City Variety Approval Team respectively. 1 Key Features Kefeng 34 unlimited pod habit, spring sowing period of 135 ...