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. 2018 Apr 5;8(7):e2796. doi: 10.21769/BioProtoc.2796

Figure 3. Evaluation of root pH change on a gel containing bromocresol purple.

Figure 3.

A. Arabidopsis seedlings being selected to be transferred onto a gel containing the pH indicator. B. Seedlings being placed on top of the gel. C. Pair of 6-8 seedlings before AtRALF1 or water treatment. D. The same pair shown in C, 30 min after treatment. E. Pair of 6-8 seedlings before AtRALF1 or water treatment. F. The same pair shown in E, 30 min after treatment. Image was taken after reducing the distance between the plate and the white background. Scale bars = 1 cm.