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1)  Cultivation and Spread of Wheat Breeds
良种选育推广
2)  The potato breeding of better stocks and enhancing
良种繁育与推广
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3)  popularization of good strains
推广良种
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4)  promotion of improved varieties
良种推广
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5)  genetic improvement
良种选育
1.
Based on analysis on status and trends of genetic improvement in oiltea,some suggestions were brought forward which new technology breeding in oiltea should be researched,for example,mutation bre.
自20世纪中叶开展油茶良种选育工作以来,我国先后选育出优良农家品种、优良家系、优良无性系和优良杂交组合等油茶良种200多个,结合油茶更新与低产林改造,推广应用良种,使油茶单位面积产量得到大幅度增长。
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6)  selecting and breeding
良种选育
1.
Genetic diversity and improved varieties selecting and breeding in Star anise in China are analyzed,and improvement approaches are put forward.
就我国八角的遗传多样性与良种选育进行了分析,并提出了今后我国八角良种遗传改良的方向。
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补充资料：选育
1.选种和育种的统称。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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