. 2024 Mar 8;14(4):103. doi: 10.1007/s13205-024-03943-6

Table 2.

Net photosynthetic rate (Pn), transpiration rate (Tr), stomatal conductance (Gs), and intercellular CO₂ concentration (Ci) of B. racemosa under salt stress

Treatment	Pn (µmol CO₂ m⁻² s⁻¹)	Tr (mmol m⁻² s⁻¹)	Gs (mmol m⁻² s⁻¹)	Ci (µmol CO₂ mol⁻¹)
0 (Control)	4.67 ± 1.16^a	0.50 ± 0.37^a	7.33 ± 4.16^a	601.83 ± 45.73^a
15‰	3.87 ± 1.33^a	0.45 ± 0.16^a	5.33 ± 1.16^a	567.84 ± 0.91^a
20‰	3.71 ± 1.40^ab	0.37 ± 0.07^a	4.67 ± 4.62^a	564.81 ± 12.77^a
25‰	3.45 ± 1.59^ab	0.34 ± 0.17^a	4.67 ± 2.31^a	556.35 ± 67.90^ab
30‰	3.25 ± 0.51^ab	0.29 ± 0.15^a	4.00 ± 2.00^a	544.21 ± 3.53^abc
35‰	1.71 ± 0.72^a	0.24 ± 0.17^a	3.33 ± 1.16^a	496.97 ± 23.62^bc
40‰	1.63 ± 0.46^a	0.17 ± 0.06^a	2.67 ± 1.16^a	492.20 ± 15.98^c

All data in the table are presented as the means with standard deviations (means ± SDs; n = 3). Different lowercase letters indicate that the mean values are significantly different among the treatments at P < 0.05 according to Duncan′s test