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。

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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；

youdao

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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