【摘 要】
：
玉米单株生产力的差异直接影响产量的高低,但是,单株生产力受许多性状的制约和影响,只有对影响单株生产力的各种制约因素进行分析研究,才能做出正确的评价。本文着重对各主
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玉米单株生产力的差异直接影响产量的高低,但是,单株生产力受许多性状的制约和影响,只有对影响单株生产力的各种制约因素进行分析研究,才能做出正确的评价。本文着重对各主要性状与单株生产力的相互关系及各性状间的相互关系进行分析,为选育优良杂交种提供选择依据。
However, the productivity of a plant is restricted and influenced by many traits. Only by analyzing and studying the various restrictive factors that affect the productivity of a single plant, can the correct evaluation be made. This article focuses on the main characters and single plant productivity and the correlation between the traits of the analysis, to provide a good basis for selecting the best hybrids.
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