Powdery Mildew – Herbaceous Ornamentals Quiz

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Powdery Mildew - Herbaceous Ornamentals Quiz

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Reference: Powdery Mildew - Herbaceous Ornamentals Fact Sheet.

1) Powdery mildew typically causes little damage on most plants, although the disease can potentially cause serious problems on phlox and beebalms.(Required)
2) Conifers are not affected by powdery mildew.(Required)
3) Powdery mildew on phlox, lilacs, and cucumbers is caused by different fungi.(Required)
4) The powdery mildew fungus readily overwinters(Required)
5) Powdery mildew is typically more of a problem when there is high humidity.(Required)
6) Management of powdery mildew often includes(Required)
7) Plants resistant to powdery mildew do not show symptoms/signs of the disease.(Required)