Peach leaf curl is caused by the fungus Taphrina deformans and occurs wherever peaches are grown. The fungus causes the growing cells at the leaf margins to multiply quickly and randomly, which results in the puckered, curled, distorted appearance. Often, the color of the leaves varies from shades of green and yellow to pink, orange, and purple. Spores are produced on the surface of the leaf as the leaf matures, giving it a dusty appearance. Fruit can be infected and will either drop prematurely or form distortions on the surface.
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