LEPTO LEAF SPOT

Leaf Spot on Alfalfa

Description: Leaf lesions begin as pinpoint-sized dark spots. Older lesions are oval with tan centers and dark brown borders. Most lesions are surrounded by a yellow "halo." Heavily infected leaves turn brown and drop.
Location: Lepto leaf spot occurs throughout Ohio.
Time of Attack: Infection can occur throughout the growing season whenever foliage remains wet for an extended period.
Management:
· Resistant varieties
· Cut frequently