1. College of Agriculture and Biotechnology Zhejiang University Hangzhou 310058 China
2. State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro‐Products Key Laboratory of Biotechnology in Plant Protection of MOA of China and Zhejiang Province Institute of Plant Virology Ningbo University Ningbo 315211 China
3. Institute of Virology and Biotechnology Zhejiang Academy of Agricultural Sciences Hangzhou 310021 China
4. Department of Nutrition and Health Sciences University of Nebraska‐Lincoln Nebraska NE 68583 USA