1 State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China.
2 State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China. wuhan@njau.edu.cn.
3 State Key Laboratory of Crop Genetics and Germplasm Enhancement, College of Horticulture, Nanjing Agricultural University, Nanjing, 210095, China. yi.li@uconn.edu.
4 Department of Plant Science and Landscape Architecture, University of Connecticut, Storrs, CT, 06269, USA. yi.li@uconn.edu.
In the original version of this article the "Acknowledgements" and the "Competing interests" were inadvertently omitted. The information missing in the original article is now given below.