Peach Disease - Rusty Spot

Minor issue in Pennsylvania and is caused by the same fungus as apple powdery mildew. Loring is a susceptible variety.
Peach Disease - Rusty Spot - Articles


Rusty spot is recognized only on the fruit. The earliest symptoms on young green fruit appear as small, orange-tan spots. K. Peter.


Young peach fruit become infected and exhibit white non-powdery lesions that are small, spherical, and later turn orange-tan in color. Leaves and stems are not affected.

Disease management

Routine fungicides control this disease. Controlling mildew in adjacent apple orchards reduces rusty spot incidence in peach orchards.