Hormone interplay in the regulation far-red-responsive stem elongation in tomato 4 135 Figure 4.19. Stem responses to 50, 100 μM GA+IAA+BR. We brushed the first internode of 14 -day-old tomatoes with different concentration combine hormones (or mock) in WL or FR conditions over one week FR treatment. Brushing was applied 3 times over one-week treatment period. The data includes measurements of (a) Stem length. (b). Hypocotyl length. (c) First internode length. (d) Hypocotyl diameter. (e) First internode diameter. Data are presented as mean ± SEM, and different letters indicate significant differences between treatments based on ANOVA analysis with Tukey’s post hoc test (P<0.05). There are 6 biological replicates and the experiment was repeated twice.
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