The disease indexes of varieties were varying with growth because of the diseased time and the disease developing speed.

受发病时间和发病速度的影响，不同生长阶段品种间感病程度发生相应变化。

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The variety of cotton with the later diseased time and the lower disease developing speed was the ideal parent material of disease-resisted breeding.

在抗病育种中，发病时间晚和发病速度慢的品种（系）是较为理想的抗病亲本。

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There was statistical significance of the diseased time among varieties, and so did the disease developing rate.

由于发病时间和发病速度的不同，导致了不同生长阶段品种间感病程度的相应变化。

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The campaign's head of scientific information, Dr Lesley Walker, said the outlook for those developing the disease was improving all the time.

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When success is achieved, the world will have a workable, scalable model for global vaccination a blueprint for success that can be used time and again to reach children throughout the developing world and prevent disease on an unprecedented scale.

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To me, that's sort of like saying that historically African-Americans are likely to have high rates of diabetes and hypertension, so instead of launching a program to save some from developing the disease, let's wait for a comprehensive plan where all can be saved at one time.

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