Table 1.
Effects of different NaCl concentrations on the pigment contents in leaves of sorghum (Sorghum bicolor L. Shamal) and maize (Zea mays L. Kerala). Data are given per dry weight (DW). Mean values (±SE) were calculated from 8 independent measurements.
| Variant | Chl a + b
(µg/g DW) |
Car (µg/g DW) |
Chl a/b | Car/Chl |
|---|---|---|---|---|
| Shamal | ||||
| Control 50 mM NaCl 150 mM NaCl 200 mM NaCl 250 mM NaCl |
26017 ± 640 A 25124 ± 602 A 18739 ± 924 B 13694 ± 285 C 10814 ± 261 D |
4979 ± 111 A 4860 ± 55 A 4091 ± 273 B 2978 ± 125 C 2488 ± 72 D |
4.560 ± 0.035 D 4.602 ± 0.023 D 4.740 ± 0.010 C 4.926 ± 0.020 B 5.293 ± 0.055 A |
0.191 ± 0.002 B 0.193 ±0.003 B 0.223 ± 0.003 A 0.217 ± 0.007 A 0.230 ± 0.009 A |
| Kerala | ||||
| Control 50 mM NaCl 150 mM NaCl 200 mM NaCl 250 mM NaCl |
45498 ± 356 a 39912 ± 340 b 28860 ± 540 c 19048 ± 350 d 13152 ± 141 e |
8907 ± 96 a 7904 ± 27 b 6174 ± 63 c 4987 ± 16 d 4176 ± 28 e |
4.449 ± 0.002 e 4.511 ± 0.007 d 4.624 ± 0.006 c 4.741 ± 0.003 b 4.908 ± 0.004 a |
0.197 ±0.002 d 0.200 ± 0.002 d 0.214 ± 0.003 c 0.262 ± 0.001 b 0.320 ± 0.003 a |
Different letters indicate significant differences for the respective parameters at p < 0.05 (uppercase for sorghum and lowercase for maize).