| 1. | Powdery mildew causes defoliation and fruit-drop, but it can be adequately controlled.
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| 2. | Powdery mildew grows well in environments with high humidity and moderate temperatures.
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| 3. | They are most often caused by airborne diseases such as powdery mildew.
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| 4. | Q . My zinnias usually get powdery mildew late in the year.
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| 5. | Judges : Tolerance to diseases such as powdery mildew, bacterial leaf spot.
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| 6. | Dense, genetically similar plantings provide opportune conditions for growth of powdery mildew.
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| 7. | "When I first learned about powdery mildew, it was on Granny's zinnias.
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| 8. | There is a catch : an ugly disease known as powdery mildew.
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| 9. | Powdery mildew was first reported in European grape vineyards in the mid-1850s.
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| 10. | This is a reliable early-ripening grape, though is susceptible to powdery mildew.
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