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. 2023 Jul 31;12(15):2838. doi: 10.3390/plants12152838

Table 1.

Influence of different treatments on photosynthetic machinery of coriander plants grown under drought stress conditions.

Treatment Chlorophyll Content (mg.g−1) Photosynthetic Rate (µmol m–2s–1) Stomatal Conductance (mmol m–2s–1) Intercellular CO2 Concentration (ppm) Transpiration Rate (mmol m–2s–1) Water Use Efficiency (μmol mmol−1)
F S F S F S F S F S F S
Control 2.28 c 2.36 c 5.309 b 4.751 d 33.24 c 31.22 c 138.91 c 125.18 c 7.721 a 8.053 a 0.687 c 0.589 c
Bentonite 2.26 c 2.39 c 4.662 c 4.110 d 30.18 c 32.19 c 131.45 c 122.63 c 7.11 b 7.690 b 0.655 c 0.534 c
Perlite 2.02 d 2.18 d 3.204 c 3.109 d 27.61 c 30.28 c 126.71 c 115.97 d 7.948 a 8.06 a 0.403 d 0.393 d
Kaolinite 2.24 c 2.31 c 4.530 c 4.085 d 31.15 c 30.92 c 130.44 c 123.09 c 6.981 a 7.215 b 0.648 c 0.566 c
N-silicon 2.45 b 2.49 b 6.859 b 6.937 c 42.11 b 43.04 b 188.29 b 191.04 b 5.886 b 5.210 c 1.165 b 1.331 b
N-zinc 2.57 b 2.69 b 8.207 a 7.914 b 43.21 b 42.89 b 196.88 b 206.37 a 5.282 b 5.079 c 1.553 b 1.558 b
N-zeolite 3.09 a 3.11 a 9.067 a 8.669 a 48.05 a 47.25 a 241.21 a 252.06 a 4.371 c 3.975 d 2.074 a 2.180 a

Means followed by different letters point to significant differences between the treatments at according to Tukey’s HSD test (p ≤ 0.05). F = first season, S = second season.