Attention should be paid to selections of early parents in breeding work.

在育种工作中应注意早熟亲本的选择。

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Collections and researches of germplasm are foundation of the breeding work.

种质资源的收集和研究是育种工作的基础。

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Ultimate measure of dairy herd improve and establish elite cow herd is dairy breeding work.

奶牛育种工作，是改善牛群质量、建立良种奶牛群根本措施。

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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

He in fact switched from one mode of breeding that did not work to another and even invented and patented a device to cut down on feed waste.

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Researchers also work on refining the breeding, processing and taste of the all-important tomato.

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With a little work and sequencing directed breeding, perhaps we could have our fill of four-leaf clovers.

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