Janice LeBoeuf, OMAFRA Vegetable Crop Specialist, Ridgetown
More photos and information on identifying late blight can be found at:
Vegetable Crop Update – late blight look-alikes
Cornell – Long Island late blight on tomato
A weekly late blight update from Cornell provides information on late blight confirmations in New York and surrounding states as well as a list of late blight resources online.