1. Department of Crop Science and Technology, College of Agriculture, South China Agricultural University, Guangzhou 510642, P. R. China
2. Guangzhou Key Laboratory for Research and Development of Crop Germplasm Resources, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, P. R. China
3. Scientific Observing and Experimental Station of Crop Cultivation in South China, Ministry of Agriculture, Guangzhou 510642, P. R. China
4. Department of Botany, Division of Science and Technology, University of Education, Lahore 54770, Punjab, Pakistan
5. Guangdong Microbial Culture Collection Center (GDMCC), Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, Guangdong, P. R. China