Effects of seeds, IAA, and 4-Cl-IAA on PsCPS1 (A and B), PsGA20ox1 (C and D), and PsGA20ox2 (E) mRNA levels in pea pericarps. Two DAA pericarps were split (SP) or split and deseeded and treated with 50 μm (30 μL) 4-Cl-IAA, IAA, or 0.1% aqueous Tween 80 (SPNS control) at 12 h after splitting or splitting and deseeding (0 h on the x axis). mRNA levels were monitored at 2, 4, 8, and 12 h after hormone application. Data are means ± se (n = 2–3).