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本文对奥帕克 - 2背景下玉米蛋白质含量的配合力和遗传参数进行了研究 ,研究表明 ,①一般配合力对杂交种蛋白质含量的作用比特殊配合力更重要 ,培育高蛋白高赖氨酸玉米杂交种 ,应重点选择一般配合力高的自交系作亲本 ②蛋白质含量的遗传力较高 ,加性方差明显大于非加性方差 ,这说明玉米蛋白质含量和玉米蛋白质含量的杂种优势主要受加性基因影响 ,可在早代进行选择
In this paper, we studied the combining ability and genetic parameters of maize protein under the Opaque-2 background. The results showed that: ① the general combining ability had more important effect on the protein content of the hybrid than the special combining ability, and the high protein and high lysine corn Hybrids should focus on the selection of inbred lines with high combining ability as parents ② The heritability of protein content is higher, the additive variance is significantly greater than the non-additive variance, indicating that the heterosis of corn protein content and corn protein content is mainly affected by Sexual gene effects can be selected in the early generation