Recent weeks have been dry. Anthracnose is increasing on various shade trees as dry weather ages leaves… Pictures of anthracnose on shade trees have been posted previously. Please search archive (tags) for relevant pictures.
Tag Archives: anthracnose
Disease Hotline Issue 7
Pine needle rust. Photo provided by: Bob Mulrooney, Plant Pathology Extension Specialist, University of Delaware
Anthracnose on ash. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org
Close-up of anthracnose on ash tree leaves. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org
Anthracnose on ash leaves. Photo provided by: Virginia Tech Learning Resources Center, Virginia Polytechnic Institute and State University, Bugwood.org
Phyllosticta leaf spot on a maple tree. Photo provided by: Joseph O’Brien, USDA Forest Service, Bugwood.org
Disease Hotline Issue 23
Anthracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Close-up of anthracnose on maple. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Antracnose on maple. Photo provided by: USDA Forest Service Archive, USDA Forest Service, Bugwood.org
Botrytis blight on stem. Photo provided by: Michelle Grabowski, University of Minnesota Extension – Horticulture, Bugwood.org
Septoria leaf spot on dogwood. Photo provided by: Paul Bachi, University of Kentucky Research & Education Center, Bugwood.org
Disease Hotline Issue 22
Drought effects on tulip popular.
Cracked bark and bleeding on leyland cypress caused by drought.
Leaf scorch from drought on flowering dogwood.
Anthracnose on oak. All photos are provided by: Bob Mulrooney, Plant Pathologist, University of Delaware.
Disease Hotline Issue 3
Frog-eye leaf spot on maple.
Anthracnose on liriope.
Botyosphaeria canker on Cornus.
Sycamore anthracnose. All photos by Bob Mulrooney, Extension Plant Pathologist, University of Delaware.