1. Institute of Vegetables Shandong Academy of Agricultural Sciences Jinan 250100 China
2. State Key Laboratory of Crop Stress Biology for Arid Areas, College of Horticulture Northwest A&F University Yangling Shaanxi 712100 China
3. Shandong Institute of Innovation and Development Jinan 250101 China
4. Hybrid Rapeseed Research Center of Shaanxi Province Yangling Shaanxi 712100 China
5. Xian Highness Agricultural Science & Technology Co. Ltd Xian Shaanxi 710086 China
6. Department of Plant Sciences University of Idaho Moscow ID 83844 USA