downy mildew造句

1、Downy Mildew of cucumberPseudoperonospor cubensis(Berk.et Curt.)
黄瓜霜霉病[Pseudoperonospor cubensis(Berk.et Curt.)

2、Downy mildew is a major foliage disease of cucurbit crops in the world.
霜霉病是世界危害瓜类作物的主要叶部病害之一。

3、Downy mildew can be severe.
霜霉病可能很严重

4、The cucumber downy mildew is a common disease of cucumber and cause serious loss.
黄瓜霜霉病是黄瓜生产上的一种常见病害,对黄瓜的产量危害较大。

5、Disease index of downy mildew index and bacterial angular leaf spot was 0.8 and 1.3, respectively.
瓜商品性好,黄瓜霜霉病病情指数为0.8,细菌性角斑病,病情指数为1.3。

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