How to Manage Pests

Pests in Gardens and Landscapes

Powdery mildew—Leveillula taurica

Leaves of plants with powdery mildew have irregular, yellow blotches. Severely affected leaves die, but seldom drop. As blotches enlarge, leaf tissue in center dies.

Identification | Life cycle

Solutions

This disease occurs late in summer or fall and does not cause significant losses unless very severe, so no control is normally needed. If young plants are attacked, applications of sulfur will control the disease. Avoid water stress.

For more information, see the Powdery Mildew Pest Note.

Irregular blotches of powdery mildew
Irregular blotches of powdery mildew


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