two fruits were sampled from each tree, and a total of 30 fruits with the same distinction were harvested for each cultivar at intervals from the periphery of mid-upper part of the tree crown at 90 days after full bloom (DAFB)(period of initial coloration, on 25 july at ecotype I and 7 july at ecotype II), and at 140 DAFB (period of slow coloration, on 13 septer at ecotype I and 16 august atecotype II).