1. State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, 130 Changjiang Ave. W., Hefei, Anhui 230036, China
2. Bangladesh Tea Research Institute, Srimangal, Maulvibazar 3210, Bangladesh
3. Agriculture and Agri-Food Canada, Saskatoon Research Centre, Saskatoon, SK, Canada S7N 0X2