The performance, heterosis and combining ability components in hybrid rice are analyzed. Some Suggestions of strengthening the combining ability selection in hybrid rice are also proposed.
分析了杂交籼稻和杂交粳稻的优势表现和配合力成分，提出了加强杂交稻配合力选择的建议。
Two inbred lines of maize, ZA5716 and ZA6192, with high combining ability and disease resistance, were obtained from a breeding population improved by recurrent selection.
从轮回选择法改良的玉米育种群体中，选育出了配合力高、抗病性强的玉米新自交系za5716和ZA6192。
In the leaf Angle variance, the general combining ability variance occupies the main status. Therefore, in cultivating compact variety, the direct selection is extremely effective.
在叶角的方差中，一般配合力方差占主要地位，所以在培育紧凑型品种时，直接选择是非常有效的。
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