Cercospora on Sourwood. Photo by: Bob Mulrooney, Plant Pathologist, University of Delaware
Oak anthracnose from a distance. Photo by: Joseph O’Brien, USDA Forest Service, Bugwood.org
Oak anthracnose. Photo by: Robert L. Anderson, USDA Forest Service, Bugwood.org
Tag Archives: Cercospora leaf spot
Disease Hotline Issue 24
Cercospora on SourwoodPhoto by Bob Mulrooney, University of Delaware
Walnut AnthracnosePhoto from the University of Minnesota Yard and Garden Line News
Tar Spot on MaplePhoto by Steven Katovich, USDA Forest Service, Bugwood.org
Disease Hotline Issue 19
Microscopic close-up of Cercospora leaf spot on Endless Summer big leaf hyrdrangea (Hydrangea macrophylla ‘Bailmer’); note, purple halo around spot.Photo by Missouri Botanical Garden, Kemper Center for Home Gardening, IPM
Cercospora leaf spot on lower leaf surface of Endless Summer big leaf hyrdrangea (Hydrangea macrophylla ‘Bailmer’). Photo from the Missouri Botanical Garden, Kemper Center for Home Gardening, IPM
Cercospora leaf spot on upper leaf surface of Endless Summer big leaf hyrdrangea (Hydrangea macrophylla ‘Bailmer’).Photo from Missouri Botanical Gardens, Kemper Center for Home Gardening, IPM
Cercospora on RosePhoto by Jody Fetzer, New York Botanical Garden, Bugwood.org
Black Spot on RosePhoto from the Iowa State University Plant Disease Clinic
Black Spot on RosePhoto from the Iowa State University Plant Disease Clinic
Mutinus caninus, a type of stinkhorn, growing on mulch Photo by Paula Flynn, Extension Plant Pathologist, Iowa State University