Table 3.
Trial means and analysis of variance of 12 diverse chickpea genotypes for phenology, shoot biomass at maturity, grain yield, harvest index, morphological and analytical yield components both under drought stressed and optimally irrigated conditions in a Vertisol during 2009–10 and 2010–11 post-rainy seasons.
| Year/treatment/trait | Trial mean | Range of means | S.Ed | σ2g (F pr.) | Heritability (h2) |
|---|---|---|---|---|---|
| 2009–10, Drought stressed | |||||
| Days to 50% flowering | 47.0 | 38.0–52.0 | 0.800 | 52.4 ( < 0.001) | 0.945 |
| Days to maturity | 92.0 | 78.7–100.0 | 2.20 | 16.7 ( < 0.001) | 0.839 |
| Shoot biomass (kg ha−1) | 3793 | 3395–4605 | 285.0 | 3.21 (0.010) | 0.425 |
| Grain yield (kg ha−1) | 1795 | 1093–2078 | 102.4 | 13.6 ( < 0.001) | 0.807 |
| Harvest index (%) | 47.9 | 29.1–56.4 | 2.29 | 28.6 ( < 0.001) | 0.902 |
| Pod number m−2 | 562.2 | 287.8–715.6 | 41.0 | 18.8 ( < 0.001) | 0.856 |
| Seed number m−2 | 641.9 | 282.9–910.2 | 49.4 | 26.5 ( < 0.001) | 0.895 |
| Seed pod−1 | 1.13 | 0.983–1.44 | 0.049 | 15.7 ( < 0.001) | 0.831 |
| 100-seedweight (g) | 17.5 | 10.4–31.9 | 0.930 | 89.9 ( < 0.001) | 0.967 |
| Dr | 938.2 | 858.4–1050 | 54.1 | 3.16 (0.010) | 0.419 |
| C | 2.29 | 2.07–2.63 | 0.153 | 2.39 (0.039) | 0.317 |
| p | 0.852 | 0.501–1.04 | 0.072 | 10.2 ( < 0.001) | 0.755 |
| 2009–10, Optimally irrigated | |||||
| Days to 50% flowering | 51.7 | 49.3–54.0 | 1.04 | 4.24 (0.002) | 0.519 |
| Days to maturity | 112.7 | 110.0–115.3 | 0.931 | 5.99 ( < 0.001) | 0.624 |
| Shoot biomass (kg ha−1) | 7073 | 6171–7682 | 369.0 | 3.59 (0.005) | 0.463 |
| Grain yield (kg ha−1) | 1871 | 1308–2362 | 149.6 | 9.59 ( < 0.001) | 0.741 |
| Harvest index (%) | 26.6 | 17.4–32.2 | 2.12 | 10.1 ( < 0.001) | 0.752 |
| Pod number m−2 | 675.1 | 224.4–1021 | 102.0 | 12.5 ( < 0.001) | 0.794 |
| Seed number m−2 | 723.4 | 227.6–1027 | 72.5 | 20.0 ( < 0.001) | 0.863 |
| Seed pod−1 | 1.12 | 0.891–1.63 | 0.078 | 16.2 ( < 0.001) | 0.835 |
| 100-seedweight (g) | 17.0 | 8.63–29.5 | 0.680 | 183.4 ( < 0.001) | 0.984 |
| Dr | 1334 | 1240–1433 | 33.6 | 5.77 ( < 0.001) | 0.614 |
| C | 3.42 | 3.01–3.81 | 0.187 | 3.24 (0.009) | 0.428 |
| p | 0.413 | 0.271–0.522 | 0.031 | 10.6 ( < 0.001) | 0.762 |
| 2010–11, Drought stressed | |||||
| Days to 50% flowering | 44.8 | 33.0–52.3 | 0.480 | 338.4 (<0.001) | 0.991 |
| Days to maturity | 90.5 | 83.0–94.7 | 0.820 | 36.2 (<0.001) | 0.922 |
| Shoot biomass (kg ha−1) | 3700 | 3198–4133 | 134.3 | 7.41 (<0.001) | 0.681 |
| Grain yield (kg ha−1) | 1681 | 1078–2118 | 71.1 | 44.0 (<0.001) | 0.935 |
| Harvest index (%) | 45.5 | 27.3–54.0 | 1.21 | 100.3 (<0.001) | 0.971 |
| Pod number m−2 | 807.2 | 359.3–1118 | 64.0 | 20.9 (<0.001) | 0.869 |
| Seed number m−2 | 975.1 | 340.0–1685 | 88.4 | 30.4 (<0.001) | 0.907 |
| Seed pod−1 | 1.18 | 0.893–1.51 | 0.077 | 10.4 (<0.001) | 0.758 |
| 100-seedweight (g) | 14.7 | 8.51–28.2 | 0.960 | 79.5 (<0.001) | 0.963 |
| Dr | 954.4 | 872.5–1067 | 22.3 | 15.4 (<0.001) | 0.828 |
| C | 2.40 | 2.11–2.59 | 0.090 | 5.39 (<0.001) | 0.594 |
| p | 0.745 | 0.490–0.913 | 0.023 | 72.4 (<0.001) | 0.960 |
| 2010–11, Optimally irrigated | |||||
| Days to 50% flowering | 51.4 | 47.0–55.0 | 0.537 | 41.3 (<0.001) | 0.931 |
| Days to maturity | 103.5 | 95.0–107.3 | 1.92 | 4.92 (<0.001) | 0.567 |
| Shoot biomass (kg ha−1) | 6926 | 5652–7928 | 381.3 | 5.16 (<0.001) | 0.581 |
| Grain yield (kg ha−1) | 3037 | 1877–4202 | 89.87 | 93.7 (<0.001) | 0.969 |
| Harvest index (%) | 43.8 | 32.5–55.8 | 1.89 | 30.2 (<0.001) | 0.907 |
| Pod number m−2 | 1420 | 707.1–2162 | 129.6 | 18.2 (<0.001) | 0.851 |
| Seed number m−2 | 1574 | 555.1–2291 | 119.3 | 31.4 (<0.001) | 0.910 |
| Seed pod−1 | 1.11 | 0.8–1.43 | 0.057 | 33.8 (<0.001) | 0.916 |
| 100-seedweight (g) | 16.5 | 8.7–33.9 | 0.784 | 206.6 (<0.001) | 0.986 |
| Dr | 1157 | 984.9–1218 | 49.6 | 3.06 (0.012) | 0.407 |
| C | 3.79 | 3.01–4.26 | 0.254 | 4.23 (0.002) | 0.518 |
| p | 0.694 | 0.522–0.875 | 0.033 | 25.3 (<0.001) | 0.890 |
↑Dr = Reproductive duration (°Cd); C = Crop growth rate; p = Parititioning coefficient.