Chapter 4 120 Figure 4.7. Cell type responses to different IAA concentrations. We treated 14-day-old tomatoes with different concentration IAA by brushing onto internode 1and analyzed the cell types response by microscopy. The data includes measurement of (a) cell types illustration of internode 1, (b) pith layer numbers, (c) pith thickness, (d) interfascicular cambium thickness, (e)epidermis cell length, (f) collenchyma cell length, (g) parenchyma cell length, and (h) pith cell length. Data are represented as mean ± SEM, and different letters indicate significant differences between treatments based on ANOVA analysis with Tukey’s post hoc test (P<0.05). The sample size for each treatment was 60 and the experiment was repeated twice.
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