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“西豆4号”是西南农业大学从早熟亲本“矮脚早”中选出优株,采用钴60y射线2.5万仑琴与CO_2激光器0.8辐照处理,系统选育而成。1995年通过四川省品种审定。“西豆4号”以其紧扣我省耕制改革而获高产及突出的籽粒外观品质,深受各试验、示范地区群众的赞赏和欢迎。
“Soybean No. 4” is a Southwest Agricultural University from the precocious parent “Bantuzao” selected superior strains, the use of cobalt 60y ray 2.5 million Lun Qin and CO 2 laser 0.8 irradiation treatment, the system of breeding. In 1995 through the Sichuan Province species validation. “Soybean No. 4” with its closely linked to the reform of farming and farming in our province have been high yield and outstanding quality of grain appearance, by the test, the demonstration area of people’s appreciation and welcome.