Fig. 1. Changes in stem dry weight of japonica/indica hybrids of Ce03/Yangdao 4 (J/I-1), Ce01/Miyang 23 (J/I-2) and PC311/Zaoxiang-dang 18 (J/I-3) and intervarietal hybrid of Shanyou 63(SY) during ripening period. Measurements were taken in 1998, 1999, and 2000. Vertical bars represent ±SE of the mean of three replications.