专论我国作物栽培科学的发展························································.·.··········……4(l) 作物育种与品种资源中国小麦的主要矮秆基因及矮源的研究··················································……1(1)同源四倍体水稻花药培养在育种中的应用················,·······························,·…1(6)竺麻杂种优势、遗传变异和获得高产优质组合的研究············,····················
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