Figure 4.

Specific activities of xyloglucan hydrolases in attached cotyledons of seedlings of H. courbaril grown as a control without excision treatment (control) and intact seedlings treated with N-1-naphthylphthalamic acid at 200 μm (NPA); and in shoot excised plants (shoot excised), shoot excised seedlings with light-protected cotyledons (shoot excised LPC) and shoot apex excised seedlings (top shoot excised). A, XEH. B, α-xylosidase. C, β-glucosidase. D, β-galactosidase. The activities detected in attached cotyledons (control) were added to each graph as a reference. Bars represent sd of the mean of three composed replicates.