Pest Management Fact Sheet #5098 Authors: Dr. Alicyn Smart, Dr. Bruce Watt, and Abigayl Novak For information about UMaine Extension programs and resources, visit extension.umaine.edu. Find more of our publications and books at extension.umaine.edu/publications/. Other Name: Leaf curl Pathogen: Taphrina deformans Introduction Figure 1. Ascus with ascospores. Photo by Dr. Bruce