Boston Ivy  - Disease information and Management Recommendations. 
HOST PLANT DISEASE SYMPTOMS MANAGEMENT
Boston Ivy  
Parthenocissus tricuspidata
Leaf spot, Guignardia bidwellii Numerous red/brown lesions with light centers and dark margins. Black pin-point dots (pycnidia) appear in center of mature lesions. Defoliation may occur if severe. Hand pick and destroy infected leaves where possible. Destroy or compost all leaves in the fall.
CHEMICAL: Seldom necessary.
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READ THE LABEL BEFORE APPLYING ANY PESTICIDE.