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. 2013 Jul 9;8(7):e66259. doi: 10.1371/journal.pone.0066259

Table 2. Effects of different potassium chloride supplies on net photosynthetic rate (Pn), intercellular CO2 concentration (Ci), transpiration rate (Tr) and stomatal conductance (Cond) in the leaves of P. vulgaris.

K0 K1 K2 K3
Pn (µmol CO2 m−2 s−1) 7.67±0.39 d 10.53±0.41 b 12.80±0.61 a 8.99±0.26 c
Ci (µmol CO2 mol−1) 233.51±2.54 d 259.83±5.69 a 252.48±1.56 b 238.09±2.21 c
Tr (mmol H2O m−2 s−1) 4.35±0.20 a 2.89±0.88 bc 2.39±0.19 c 3.69±0.31 b
Cond (mol H2O m−2 s−1) 0.10±0.01 c 0.17±0.05 ab 0.21±0.01 a 0.13±0.02 bc

Note: Each value is presented as the mean ± SE (n = 6). Values that are followed by a different letter in the same line are significantly different according to Duncan's multiple range test (P<0.05). K0, K1, K2 and K3 indicate 0, 1.00, 6.00 and 40.00 mM KCl, respectively.