1. Beijing Key Laboratory of Seed Disease Testing and Control (BKL-SDTC); Department of Plant Pathology; China Agricultural University/Beijing Engineering Research Centre of Seed and Plant Health (BERC-SPH); Beijing 100193 China
2. Beijing Plant Protection Station; Beijing 100029 China
3. Department of Plant, Soil and Microbial Sciences; Michigan State University; East Lansing MI 48824 USA