1 State Key Laboratory of Crop Stress Biology for Arid Areas, College of Life Sciences, Institute of Future Agriculture, Northwest Agriculture & Forestry University, Yangling, Shaanxi 712100, China.
2 State Key Laboratory of Crop Stress Biology for Arid Areas, College of Life Sciences, Institute of Future Agriculture, Northwest Agriculture & Forestry University, Yangling, Shaanxi 712100, China. Electronic address: desert.ruolin@gmail.com.