英德
有道
百度
谷歌
图片
维基
百科
纯育 [chún yù]
pure breeding
{牧} breed-true
{牧} breed-true
- 育性基因未纯合的突变体分离出可育株和完全不育株，比例为3：1；
The revertant, when still heterogenous, segregated into male fertile and complete male sterile plants in a ratio of 3:1. - 通过对杂合不育系和纯合不育系的育性，异交结实率及柱头活力调查研究；
Studying on fecundity, seed ratio of crossing and stigma energy of both the heterozygous male sterile lines and the homozygous male sterile lines; - 第八条用于杂交生产商品苗种的亲本必须是纯系群体。对可育的杂交种不得用作亲本繁育。
Article 8 The parents used for crossbreeding commercial fingerlings shall be pure line colonies. No reproductive hybrid may be used for parent propagation.
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中国词汇量第二的英语词典
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