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紫薇白粉病在我国栽有紫薇的省市普遍发生,发病后常使紫薇叶片枯黄、脱落,直接影响树势和观赏效果。
Crape myrtle powdery mildew planted in our provinces and cities generally crape myrtle often causes the crape myrtle leaves yellow, fall off, directly affect the tree vigor and ornamental effect.