Oppositifolious character of maize is a new variation type, whose leaf and kernel are both oppositifolious, which is a high-yield breeding germplasm resource.

玉米的对生性状是一个新的变异类型，其叶片和果穗均为对生，是高产育种极其珍贵的种质资源。

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It was supposed that proper root number, much branches and deep-root is a development direction of breeding for ideal type root system in rice.

提出控制根数量、适当增加分枝根数目和加深根分布是未来开展水稻根系育种、塑造水稻理想根型的基本方向。

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The high-yield and high-quality in erect panicle type Japonica line could be selected by anther culture or group selective breeding.

通过花培和组群筛选法均能较快地获得直穗型高产优质粳稻品系。

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It was a return to his roots. He began his work in the 1940s in Mexico, breeding wheat crops that were immune to another type of wheat rustthat had devastated crops there.

VOA: standard.2009.09.16