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Figure 2


Fig. 2. Bright-field and fluorescent micrographs of stolon tips from colonies of P. carnea. (A,B) A healthy stolon tip (A) from a control colony exhibits relatively little peroxide-related fluorescence (B). (C,D) A regressing stolon tip (C) from a control colony exhibits an elevated level of peroxide-related fluorescence (D). (E,F) A regressing stolon tip (E) after 60 min treatment with 5 mmol l–1 H2O2 (F) exhibits an elevated level of peroxide-related fluorescence. (G,H) A regressing stolon tip (G) after 60 min treatment with 0.5 mmol l–1 of SNAP (H) exhibits an elevated level of peroxide-related fluorescence. Scale bar, 25 µm.