并对亲本选择利用，杂交组合的配置，扩大遗传组成源等方面进行分析探讨。
The problems of selection and utilization of parent, setting of crossing, and increasing the origin of genetic composition were further analyzed and discussed in details.
并对亲本选择利用，杂交组合的配置，扩大遗传组成源等方面进行分析探讨。
The problems of selection and utilization of parent, setting of crossing, and increasing the origin of genetic composition were further analyzed and discussed in details.
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