Bulletin #2381, Management of Sphaerulina Leaf Spot, Leaf Rust, and Powdery Mildew

By Seanna Annis, PhD., Extension professor and professor of mycology, University of Maine and University of Maine Cooperative Extension and Leala Machesney, wild blueberry Extension and research professional, University of Maine Cooperative Extension For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Introduction Sphaerulina leaf spot,