Figure 4

Abscisic acid (AbA) (a,b), indole-3-acetic acid (IAA) (c,d), and jasmonic acid (JA) (e,f) of scion (a,c,e) and rootstock (b,d,f) segments of grafted watermelon seedlings under three light treatments in the healing chamber at three days after grafting. Bars (± SE) followed by different letters are significantly different (a < 0.05). Mean values derived from n = 3 seedlings.