Figure 2.

Secondary metabolite concentrations in galls of S. wertheimae and leaves and fruits of P. atlantica. (a) Total tannins (Kruskal-Wallis ANOVA, Chi = 12.000, n = 6, P = 0.002). (b) Total terpenes (Kruskal-Wallis ANOVA, Chi = 14.216, n = 6–8, P = 0.001). Bars show means ± standard errors. Different letters above bars indicate significant differences.

Rostás et al. BMC Evolutionary Biology 2013 13:193   doi:10.1186/1471-2148-13-193
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