1. Institute of Vegetable Crop, Jiangsu Province Academy of Agricultural Sciences, Nanjing 210014, China
2. Jiangsu Key Laboratory for Horticultural Crop Genetic Improvement, Nanjing 210014, China
3. School of Horticulture, Anhui Agricultural University, Hefei 230036, China
4. Institute of Germplasm Resources and Biotechnology, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
5. Nanjing Station for DUS Testing Center of New Varieties of Plants of MARA, Nanjing 210014, China