The general method of breeding is to select by the means of agronomic character in early generations and by combining ability in late generations.
本文设计了甜玉米二环系选育的早代判别法，偿试在农艺性状选择的同时进行配合力选择，提高组合早代筛选的效率。
参考来源 - 甜玉米二环系选育的早代判别法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In accordance with character of space mutation, improvement method of breeding and enhancing efficiency of breeding have been studied.
同时针对航天诱变的特点，进行了改进育种方法和提高诱变效果的研究。
A new identifying method relating with fish germplasm identifying, the serum transferrin identifying method of breeding fishes was introduced.
本文介绍了与鱼类种质鉴定相关的一种新的鉴定方法———养殖鱼类血清转铁蛋白鉴定法。
Application of individual plant selection method known as the system breeding.
应用单株选择的方法称为系统育种。
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