Table 2. Phenotypic response of contrasting chickpea genotypes JG 62 and ICCV 2 to salinity stress.
| Genotype/stress treatment | Root dry weight (g) | Total root length (cm) | Average root diameter (mm) | Shoot dry weight (g) | SLA (cm2/g) | Chlorophyll content | RWC |
|---|---|---|---|---|---|---|---|
| Vegetative stage | |||||||
| JG 62 | 0.312 | 1325 | 0.693 | 0.687 | 212.5 | 56.9 | 0.824 |
| ICCV 2 | 0.294 | 1336 | 0.708 | 0.857 | 246.8 | 58.9 | 0.821 |
| SEd (±) | 0.041 | 480.8 | 0.035 | 0.174 | 12.2 | 1.16 | 0.017 |
| Significance | NS | NS | NS | * | ** | NS | NS |
| Late reproductive stage | |||||||
| JG 62 | 1.18 | 6130 | 0.737 | 5.96 | 309.0 | 49.1 | 0.808 |
| ICCV 2 | 0.70 | 3750 | 0.713 | 5.33 | 252.0 | 53.4 | 0.818 |
| SEd (±) | 0.283 | 703.1 | 0.070 | 1.96 | 40.4 | 2.13 | 0.018 |
| Significance | ** | ** | NS | NS | * | NS | NS |
Salinity stress was imposed at the time of sowing and reproductive stage and evaluated after 15 days of stress imposition.
SLA, specific leaf area; RWC, relative water content; SEd, standard error of difference across the genotypes and stress conditions; NS, nonsignificant; *P ≤ 0.05; **P ≤ 0.01.