Crop seed reproduction 农作物良种繁育
obligate seed reproduction 有性繁殖
seed reproduction of maize 玉米制种
seed reproduction and multiplication 良种繁育
Objective:Conducts the research in the planter maintenance and the seed reproduction quality specification aspect to the prunella vulgaris,causes the prunella vulgaris by the time the idioplasm origin and the cultivation standardization,conforms to the GAP requirement.
目的:在种植养护及种子繁殖质量标准方面对夏枯草进行研究,以期使夏枯草的种质来源和栽培规范化,更加符合GAP的要求。
参考来源 - 夏枯草规范化种植初探·2,447,543篇论文数据，部分数据来源于NoteExpress
It is differ both from the method of "circulate line selection" for seed reproduction and from the method of "pure line breeding" for varieties development.
该方法既区别于单纯生产原种的“株系循环法”，也区别于选育新品种的纯系育种法。
This paper reviewed the strategies of producing male sterility by gene engineering and new ways for the reproduction of male sterility lines use as a female parent in hybrid seed production.
本文综述了利用生物技术培育转基因雄性不育的多种策略，以及繁育用作大田配制杂交种的母本雄性不育系的新方法；
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