State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture.|State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture.|College of Life Sciences, Nanjing Agricultural University, Nanjing 210095, China.|State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture.|State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture.|State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Agriculture.