1. College of Life Science Qufu Normal University Qufu China
2. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection Chinese Academy of Agricultural Sciences Beijing China
3. Chongqing Engineering Research Center of Specialty Crop Resources and the College of Life Science Chongqing Normal University Chongqing China
4. Department of Plant Pathology University of California, Davis, c/o United States Agricultural Research Station Salinas California USA