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Figure 3


Fig. 3. Scanning electron micrographs showing the effects of brk1 and arp2 (wurm) mutations on epidermal trichome morphology. (A,E) Columbia wild type; (B,F) brk1-1 mutant; (C,G) arp2 mutant; (D,H) brk1-1;arp2 double mutant. Scale bars: in A-D, 500 µm; in E-H, 100 µm. (I) Quantitative analysis of trichome branch lengths; bars show s.e.m. (J) P values resulting from two-tailed Student's t-tests showing which branch length differences are statistically significant (bold).