Table 1.
Trial means and analysis of variance of shoot traits of 12 diverse genotypes of chickpea at different days after sowing (DAS) both under drought stressed and optimally irrigated conditions in a Vertisol during 2009–10 and 2010–11 post-rainy season.
| Year/sampling time/trait | Drought stressed |
Optimally irrigated |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Trial mean | Range of means | S.Ed | σ2g (F pr.) | Heritability (h2) | Trial mean | Range of means | S.Ed | σ2g (F pr.) | Heritability (h2) | |
| 2009–10, 28 DAS | ||||||||||
| SBM | 12.4 | 8.27–20.4 | 1.43 | 10.6 (<0.001) | 0.762 | 13.8 | 9.39–21.5 | 1.36 | 14.2 (<0.001) | 0.815 |
| SLA | 198.8 | 171.8–224.0 | 20.1 | 1.12 (0.393) | 0.038 | 195.4 | 181.0–216.3 | 15.3 | 1.42 (0.233) | 0.122 |
| LAI | 0.224 | 0.160–0.350 | 0.038 | 4.04 (0.003) | 0.503 | 0.239 | 0.162–0.389 | 0.037 | 5.53 (<0.001) | 0.602 |
| 2009–10, 51 DAS | ||||||||||
| SBM | 126.0 | 84.0–160.4 | 9.18 | 11.6 (<0.001) | 0.779 | 164.9 | 123.2–220.3 | 11.1 | 15.0 (<0.001) | 0.823 |
| SLA | 167.5 | 143.7–194.4 | 19.2 | 1.19 (0.348) | 0.060 | 198.1 | 166.8–238.8 | 36.2 | 0.89 (0.567) | 0.000 |
| LAI | 1.66 | 1.10–2.10 | 0.235 | 3.46 (0.006) | 0.450 | 2.43 | 1.52–3.79 | 0.520 | 3.38 (0.007) | 0.442 |
| 2009–10, 84 DAS | ||||||||||
| SBM | 265.3 | 199.7–331.0 | 32.6 | 3.18 (0.010) | 0.421 | 391.9 | 325.3–493.6 | 25.6 | 7.17 (<0.001) | 0.673 |
| SLA | 168.3 | 130.0–189.6 | 21.2 | 1.39 (0.243) | 0.116 | 186.4 | 145.7–230.8 | 30.3 | 1.74 (0.130) | 0.197 |
| LAI | 2.08 | 1.73–2.56 | 0.392 | 1.19 (0.348) | 0.060 | 4.91 | 3.36–5.83 | 0.985 | 1.54 (0.186) | 0.153 |
| 2009–10, 96 DAS | ||||||||||
| SBM | 356.6 | 250.3–495.3 | 26.1 | 17.3 (<0.001) | 0.844 | 709.1 | 605.3–840.3 | 49.3 | 3.70 (0.004) | 0.474 |
| 2010–11, 24 DAS | ||||||||||
| SBM | 7.43 | 5.59–12.0 | 0.670 | 19.9 (<0.001) | 0.863 | 6.99 | 5.52–10.6 | 0.611 | 16.4 (<0.001) | 0.837 |
| SLA | 203.5 | 181.0–236.0 | 7.50 | 6.47 (<0.001) | 0.646 | 226.4 | 199.6–261.4 | 11.5 | 6.26 (<0.001) | 0.637 |
| LAI | 0.126 | 0.091–0.193 | 0.014 | 12.4 (<0.001) | 0.792 | 0.131 | 0.095–0.197 | 0.017 | 5.60 (<0.001) | 0.606 |
| 2010–11, 37 DAS | ||||||||||
| SBM | 26.6 | 20.9–46.7 | 2.30 | 19.7 (<0.001) | 0.862 | 26.7 | 17.1–39.8 | 2.10 | 17.9 (<0.001) | 0.849 |
| SLA | 172.4 | 158.3–193.1 | 10.8 | 2.01 (0.079) | 0.251 | 204.2 | 172.6–239.6 | 15.2 | 2.39 (0.039) | 0.317 |
| LAI | 0.409 | 0.315–0.762 | 0.041 | 18.4 (<0.001) | 0.853 | 0.479 | 0.277–0.661 | 0.061 | 5.87 (<0.001) | 0.619 |
| 2010–11, 48 DAS | ||||||||||
| SBM | 52.8 | 43.6–69.5 | 4.31 | 7.37 (<0.001) | 0.680 | 58.4 | 46.7–85.4 | 5.71 | 8.19 (<0.001) | 0.706 |
| SLA | 170.3 | 155.6–204.2 | 11.4 | 2.69 (0.023) | 0.360 | 227.4 | 185.9–268.8 | 26.6 | 1.67 (0.148) | 0.182 |
| LAI | 0.763 | 0.572–0.988 | 0.075 | 6.89 (<0.001) | 0.662 | 1.079 | 0.709–1.628 | 0.180 | 3.73 (0.004) | 0.476 |
| 2010–11, 58 DAS | ||||||||||
| SBM | 94.5 | 67.8–118.0 | 7.03 | 10.4 (<0.001) | 0.759 | 119.7 | 89.5–137.8 | 11.0 | 3.81 (0.004) | 0.484 |
| SLA | 178.0 | 163.4–210.4 | 10.8 | 2.99 (0.014) | 0.399 | 237.2 | 212.5–282.5 | 17.9 | 2.71 (0.022) | 0.363 |
| LAI | 1.35 | 0.835–1.64 | 0.110 | 8.59 (<0.001) | 0.717 | 2.21 | 1.63–2.77 | 0.245 | 3.48 (0.006) | 0.452 |
| 2010–11, 70 DAS | ||||||||||
| SBM | 166.3 | 111.4–198.5 | 10.4 | 13.1 (<0.001) | 0.801 | 208.6 | 189.9–232.5 | 13.4 | 2.16 (0.060) | 0.279 |
| SLA | 186.5 | 157.0–212.9 | 16.2 | 1.90 (0.097) | 0.203 | 250.6 | 226.1–306.4 | 27.0 | 1.59 (0.170) | 0.164 |
| LAI | 1.91 | 1.19–2.65 | 0.206 | 10.2 (<0.001) | 0.753 | 3.43 | 2.36–4.91 | 0.516 | 3.33 (0.008) | 0.438 |
| 2010–11, 80 DAS | ||||||||||
| SBM | 225.5 | 187.0–282.6 | 12.7 | 11.5 (<0.001) | 0.778 | 341.5 | 285.8–382.2 | 13.9 | 11.3 (<0.001) | 0.774 |
| SLA | 171.3 | 142.8–197.4 | 12.8 | 3.66 (0.005) | 0.470 | 214.2 | 163.8–276.2 | 28.2 | 3.17 (0.010) | 0.420 |
| LAI | 1.59 | 0.995–2.06 | 0.166 | 6.83 (<0.001) | 0.660 | 3.43 | 2.70–4.35 | 0.689 | 1.17 (0.358) | 0.055 |
↑SBM = Shoot biomass; SLA = Specific leaf area; LAI = Leaf area index.