1. a College of Horticulture, Nanjing Agricultural University , Nanjing , Jiangsu province , The People's Republic of China
2. b Department of Plant Sciences , University of Tennessee , Knoxville , TN , USA
3. c Department of Plant Pathology and Plant-Microbe Biology , Cornell University , Geneva , NY , USA
4. d Department of Plant Pathology , North Carolina State University , Raleigh , NC , USA
5. e Graduate School of Bioagricultural Sciences, Nagoya University , Nagoya , Japan
6. f Institute of Pomology, Chinese Academy of Agricultural Sciences , Xingcheng , Liaoning Province , The People's Republic of China