Current commercial horticultural information from the Cooperative Extension Office in Kent County Delaware, an outreach arm of the College of Agriculture and Natural Resources at the University of Delaware.
Monday, February 25, 2008
Landscape and Nursery - Black Knot of Prunus
The following are images of Black Knot disease on Prunus.
Joseph O'Brien, USDA Forest Service, Bugwood.org
Robert L. Anderson, USDA Forest Service, Bugwood.org
Tim Tigner, Virginia Department of Forestry, Bugwood.org
Joseph O'Brien, USDA Forest Service, Bugwood.org
Robert L. Anderson, USDA Forest Service, Bugwood.org
Tim Tigner, Virginia Department of Forestry, Bugwood.org
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