1 State Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China. bvalent@ksu.edu wang.620@osu.edu.
2 Department of Plant Pathology, The Ohio State University, Columbus, OH 43210, USA.
3 Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA. bvalent@ksu.edu wang.620@osu.edu.