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白粉病病原是什么。

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2021-12-25 12:44
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正确答案

由子囊菌亚门---白粉菌目中的真菌引起。全部都是专性寄生菌,耐旱,转化性较强。白粉菌的寄主范围较窄,仅限于同科内几个属的植物。


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