Figure 2: H. zea caterpillar relative growth rate (RGR) feeding on tomato plants with varying levels of salinity. A. Detached leaf agar-cup based caterpillar RGR estimation. B. On-plant based caterpillar RGR estimation. Bars represent mean (± SEM) (A: n = 39, Kruskal-Wallis, Dunns post-hoc; B: n = 36, one-way ANOVA, Tukey’s post-hoc, different letters indicate significant differences P < 0.05).