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Six populations were sampled from Anhui (AH), Zhejiang (ZJ), Hunan (HN), Fujian (FJ), Guangdong (GD) and Hainan (HrN) in main tea production regions of Mainland China. One population was collected from Taiwan, and four populations were collected from Shizuoka (JG), Kyoto (JD), Saitama (QY) and Kagoshima (LD) in Japan.
