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. 2020 May 13;11:420. doi: 10.3389/fpls.2020.00420

TABLE 1.

Water transpiration rates from different leaf sides and different cuticle layers.

K TAd TAb TAb–C TAd/intra TAb/intra TAb/intra–C
(mg h–1.cm–2) (mg h–1.cm–2) (mg h–1.cm–2) (mg h–1.cm–2) (mg h–1.cm–2) (mg h–1.cm–2)
1 h 0.206 ± 0.019 0.094 ± 0.011e 0.199 ± 0.006c 0.142 ± 0.002d 0.104 ± 0.002e 0.452 ± 0.008a 0.413 ± 0.004b
2 h 0.211 ± 0.022 0.095 ± 0.012e 0.190 ± 0.005c 0.133 ± 0.003d 0.097 ± 0.005e 0.437 ± 0.009a 0.398 ± 0.003b
3 h 0.224 ± 0.035 0.069 ± 0.003d 0.198 ± 0.017b 0.141 ± 0.013c 0.077 ± 0.010d 0.422 ± 0.022a 0.383 ± 0.017a
4 h 0.213 ± 0.036 0.061 ± 0.007d 0.189 ± 0.023b 0.132 ± 0.019c 0.087 ± 0.005d 0.417 ± 0.012a 0.378 ± 0.006a
5 h 0.238 ± 0.031 0.053 ± 0.010e 0.154 ± 0.017c 0.096 ± 0.013d 0.078 ± 0.013de 0.426 ± 0.006a 0.387 ± 0.004b
6 h 0.293 ± 0.034 0.029 ± 0.014e 0.172 ± 0.005c 0.115 ± 0.008d 0.048 ± 0.006e 0.405 ± 0.012a 0.365 ± 0.006b

K: Vaseline diffusion coefficient; TAd: adaxial cuticular transpiration rate; TAb: abaxial transpiration rate; TAb–C: abaxial cuticular transpiration rate; TAd/intra: adaxial intracuticular transpiration rate; TAb/intra: abaxial intra transpiration rate; TAb/intra–C: abaxial intracuticular transpiration rate. Data are given as means ± standard error (n = 6). The different letters in the same row indicate significant difference among treatments at the 0.05 level.