NEWS
Production Blog
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Fri Nov 30, 2012 10:34 AM CST

DECATUR, Ill. (DTN) -- Last fall, you might have noticed an odd looking scab on soybean leaves. A new virus disease, soybean vein necrosis, ramped up this past season. First identified in 2008, the virus has since been spotted in Alabama, Arkansas, Delaware, Kentucky, Kansas, Illinois, Indiana, Maryland, Michigan, Missouri, Mississippi, New York, Ohio, Ontario, Pennsylvania, Tennessee, Virginia and Wisconsin.

The initial symptoms involve small light-green to yellow patches near main leaf veins. As the disease progresses, large, brown blotchy lesions run the direction of the leaf veins. Suzanne Bissonnette, University Illinois plant clinic and Integrated Pest Management coordinator, reports ...

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