Agriculture > All Agriculture > ANR-0407

Controlling Powdery Mildew on Ornamentals
Austin Hagan, Jacqueline Mullen
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Paper Copy
Price: $2.00
Pages / Length: 4
Publication Date: 03/10/2000
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Powdery mildew occurs on a wide variety of Alabama flowers, woody shrubs, and trees—including azalea (Kurume types), horse chestnut, crapemyrtle, crabapple, flowering dogwood, euonymus (E. japonica), hydrangea, lilac, oak, peach, pecan, photinia (Chinese), rose, sycamore, African violet, Rieger begonia, chrysanthemum, cineraria, dahlia, delphinium, kalanchoe, phlox, snapdragon, and zinnia. While powdery mildew may detract from the beauty of ornamentals, it rarely has a significant impact on plant health. This four-page publication describes symptoms, fungus life cycle, and practices for control; includes photos for identifying powdery mildew as well as tables of powdery mildew–resistant shrub varieties.