1. College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China
2. Shaanxi Research Center of Biopesticide Engineering & Technology, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
3. State Key Laboratory of Crop Stress Biology for Arid Areas, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China