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. 2016 Dec 9;7:1832. doi: 10.3389/fpls.2016.01832

Figure 7.

Figure 7

The effects of different treatments on the aperture length (A), aperture width (B), aperture width/length (C), and stomatal pore area (D) in the leaves of tomato plants. Supplemental lighting from the underneath canopy (USL) or from the inner canopy (ISL) was applied to plants from the time of transplantation while a no supplemental lighting condition was considered to be the control (CK). Parameters were measured on the second terminal leaflets of leaves on the fifth youngest node for each treatment. Means ± SE (n = 16) different letters indicate significant differences at P < 0.05 according to Duncan's multiple range test.