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区域试验是育种的最高阶段。在区域试验中,对照品种则是衡量参试品种水平的唯一尺度,它直接关系到在某种生态条件下品种的增产幅度,决定其能否推荐到生产中应用。本文通过全国黄河流域棉花品种区试的实践,说明只有选准对照品种,才能使生产用种不断提高。
Regional trials are the highest stages of breeding. In the regional experiment, the control species is the only measure of the level of varieties tested, which is directly related to the yield of varieties under certain ecological conditions, to determine whether it can be recommended for production applications. This paper through the practice of cotton varieties in the Yellow River Basin National Trial shows that only by selecting the control varieties, in order to make continuous improvement of production.