seed selection

But it is eliminated as a trait bad for harvest in the artificial selection and seed selection.

但是，在长期的人工选择和品种选育过程中，芒作为一个对收割不利的性状逐渐被淘汰。

The effection agricultural prevention and cure way to this disease is watercress seedling treatment, rational close planting, strengthening field managment and paying attention to seed selection and reservation.

采取种苗处理、合理密植、加强田管、注意选留种株是防治本病的有效农业防治措施；

Teyou 21 is uses the convention breeding technology seed selection to go out high quality variety.

特优21是利用常规育种技术选育出的水稻优质米新品种.

For traditional farmers, seed selection was a matter of life and death.

对传统农民来说, 选种是成败的关键.

It is important to decide how to rejuvenate reduced mutation accumulation of stored seed, and counteracted the genetic changes by drift, fitness selection and contamination with alien pollen or seed that may occur during regeneration.

降低贮藏种子基因突变的累积效应，控制种质资源繁殖更新过程中由于遗传漂变、选择和污染所引起的遗传改变，对制定科学的种质资源繁殖更新策略十分重要。

He insisted on more attention to seed selection.

他强调对选种要更加注意.

Seed selection of turf, management and maintenance on golf course

高尔夫球场的草坪选种与养护管理

The convexity of the seed capsule is of decisive importance in host selection.

种子囊的突起对寄主的选择起着决定性的作用.