Managing Late Blight in Tomatoes

Gevens, Amanda J., Anna Seidl and Brian Hudelson. 2010. Managing Late Blight in Tomatoes. University of Wisconsin-Madison Dept. of Plant Pathology. Accessed at: <http://www.plantpath.wisc.edu/wivegdis/contents_pages/late_blight.html>

Developed by the University of Wisconsin Madison’s Department of Plant Pathology after the Wisconsin 2009 late blight outbreak in tomatoes and potatoes, this publication covers late blight symptoms and management techniques. A fungal-like organism commonly referred to as ‘water mold’ causes late blight. Specifically this piece includes frequently asked questions regarding late blight, a table of organic-approved copper fungicides, and a table of late blight resistant tomato cultivars. For information on early blight see Tomato Disorders: Early Blight and Septoria Leaf Spot.

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