1979年召开全国作物品种资源工作会议，制定了作物品种资源研究方向和任务：广泛收集、妥善保存、全面评价、深入研究、积极创新、充分利用。水稻品种资源是水稻育种和生产必不可少的物质基础。60年代矮化育种，我国利用矮仔占培育矮秆高产品种，国际水稻所引用低脚乌尖育... In 1979 held a national conference on crop resources, developed crop varieties of resources research direction and tasks: extensive collection, properly preserved, comprehensive evaluation, in-depth study, positive innovation, make full use of. Rice variety resources are indispensable material basis for rice breeding and production. Dwarf breeding in the 1960s, China’s use of short-eared Aberdeen share of high-yielding cultivars, the international reference of low-grade black rice wu ...