Table 6.
Chlorophyll a, chlorophyll b, chlorophyll a + b, carotenoids and total pigments of soybean genotypes with contrasting salt stress tolerance inoculated with AMF under salt stress. Values denoted by different letters are significantly different at P < 0.05.
| Treatments | Clark (salt-tolerant) |
Kint (salt-sensitive) |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chl. a | Chl. b | a + b | a/b | Carot. | Total | Chl. a | Chl. b | a + b | a/b | Carot. | Total | ||
| 0 mM NaCl | Control | 1.04 c ± 0.08 | 0.44 c ± 0.03 | 1.48 ± 0.12 | 2.34 ± 0.17 | 0.19 d ± 0.02 | 1.67 c ± 0.15 | 1.24 b ± 0.08 | 0.63 b ± 0.08 | 1.88 ± 0.16 | 1.96 ± 0.17 | 0.26 c ± 0.07 | 2.15 b ± 0.18 |
| AMF | 1.44 a ± 0.13 | 0.63 b ± 0.07 | 2.08 ± 0.16 | 2.28 ± 0.16 | 0.36 a ± 0.04 | 2.45 a ± 0.17 | 1.36 a ± 0.09 | 0.78 a ± 0.05 | 2.15 ± 0.18 | 1.73 ± 0.14 | 0.30 ab ± 0.02 | 2.45 a ± 0.19 | |
| 200 mM NaCl | Control | 0.69 e ± 0.04 | 0.29 d ± 0.02 | 0.98 ± 0.05 | 2.40 ± 0.18 | 0.09 f ± 0.01 | 1.08 f ± 0.12 | 0.35 f ± 0.03 | 0.14 e ± 0.02 | 0.50 ± 0.07 | 2.44 ± 0.18 | 0.05 g ± 0.02 | 0.55 g ± 0.03 |
| AMF | 0.91 d ± 0.05 | 0.39 c ± 0.03 | 1.30 ± 0.07 | 2.31 ± 0.15 | 0.15 e ± 0.02 | 1.46 cd ± 0.13 | 0.63 e ± 0.07 | 0.28 d ± 0.01 | 0.92 ± 0.04 | 2.23 ± 0.14 | 0.08 f ± 0.03 | 1.00 e ± 0.05 | |
| LSD at: 0.05 | 0.21 | 0.07 | 0.08 | 0.02 | 0.03 | 0.18 | 0.07 | 0.06 | 0.31 | 0.09 | 0.02 | 0.29 | |
Chl. a: chlorophyll a; Chl. b: chlorophyll b; Carot: carotenoids (mg/g fresh weight).