Showing posts with label pine needle rust. Show all posts
Showing posts with label pine needle rust. Show all posts

Friday, June 11, 2010

Disease Hotline Issue 11


Pine needle rust. Photo provided by: Robert L. Anderson, USDA Forest Service, Bugwood.org

Stump grinding. Photo found at: http://stumpsgrinding.blogspot.com/

Friday, May 14, 2010

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