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在七十年代初,雄性不育工作迅速地从高粱扩大到水稻、小麦、谷子等作物,这时许多同志在讨论中提出:为什么有的不育系难以配上保持系,而另一些不育系又难以找到恢复系?核不育和质不育到底如何理解?有什么办法能给核不育类型配上保持系?如能配上,则一般品种将都是它的恢复系,这对测定杂种优势将极为方便。1973年5月在张家口召开的谷子不育系会议上,和同年10月间在苏州召开的全国水稻协作会议上,曾经
In the early 1970s, male sterile work expanded rapidly from sorghum to crops such as rice, wheat and millet. Many comrades raised the issue during the discussion: Why is it that some sterile lines are difficult to maintain and others sterile? Department and difficult to find the Department of recovery? Nuclear infertility and infertility in the end how to understand? What methods can be given to maintain the type of nuclear infertility? If you can match, then the general varieties will be its restorer, Determination of heterosis will be extremely convenient. In May 1973 in Zhangjiakou Millet CMS meeting, and in October the same year in Suzhou held a national rice coordination meeting, once