Little damage occurs but the plant appears abnormal or diseased. Pick young galls and destroy. Spray with fungicide before leaves open. Various sized spots on the leaves. Small, black pinpoint dots may be in the dead leaf areas.
Control requires preventive fungicidal sprays at two week intervals.
Include a spreader sticker to increase effectiveness of sprays. Occurs mostly in East Texas. Light green or yellowish rings surround islands of green in the leaves. Destroy diseased plants. Propagate from disease-free plants.