Fig. 5.

Responses of genes to phytohormones in mature-green (MG) pericarps and dynamic changes in endogenous ABA and IAA during pepper fruit ripening. (A) Changes in gene expression in response to exogenous auxin (IAA), ABA, gibberellin (GA₃), cytokinin (6-BA), and ethephon in pericarp discs at the MG stage. Data are log₂-transformed. ‘T/M’ indicates the treatment value divided by the mock control value. ‘*’ indicates that the log₂ fold-change (FC) value is either greater than 1 or less than –1. (B) Dynamic changes of ABA and IAA levels during pepper fruit ripening. ‘IM’, immature-green; ‘M’, mature-green; ‘T’, turning; ‘R’, red-ripening. Different letters indicate significant differences as determined using ANOVA followed by Tukey’s HSD test (P<0.01): IAA, lowercase letters; ABA, uppercase letters.