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. 2024 Mar 26;14:7114. doi: 10.1038/s41598-024-57939-6

Table 4.

Genetic components for various traits of maize under drought stress conditions.

Traits M.S G.M GV GCV % PV PCV % EV ECV % h2bs% GA%
Root length 17.288* 12.593 5.762 67.642 5.764 67.656 0.002 1.381 99.958 89.610
Root weight 0.012* 0.319 0.003 9.911 0.006 13.289 0.003 8.853 55.621 13.129
Root-to-shoot length ratio 0.175* 1.268 0.058 21.301 0.060 21.777 0.003 4.528 95.676 28.219
Seed germination %age 553.422* 69.943 184.473 162.403 184.475 162.404 0.002 0.535 99.999 215.146
shoot length 25.348* 6.261 8.448 116.162 8.451 116.183 0.003 2.189 99.965 153.887
SOD 7.458* 4.243 2.485 76.532 2.488 76.570 0.003 2.427 99.900 101.386
Leaf length 0.105* 2.759 0.034 11.139 0.037 11.523 0.002 2.949 93.449 14.757
Leaf width 0.110* 2.439 0.036 12.132 0.038 12.498 0.002 3.003 94.226 16.072
Shoot weight 0.016* 0.376 0.004 10.899 0.007 13.415 0.002 7.821 66.010 14.439
catalase 0.003* 0.094 0.001 9.312 0.001 9.868 0.000 3.265 89.051 12.336
Gultathione-S-transferase 0.008* 0.078 0.002 14.879 0.004 23.004 0.002 17.544 41.834 19.711
Glutathione reductase 0.001* 0.053 0.000 6.194 0.001 12.311 0.001 10.640 25.311 8.205
Guaiacol peroxidase 0.030* 0.048 0.010 45.491 0.010 46.398 0.000 9.129 96.129 60.265
Ascorbate peroxidase 0.019* 0.067 0.005 28.293 0.008 34.062 0.002 18.966 68.997 37.482
H2O2 23,560.600* 132.230 7853.532 770.668 7853.536 770.669 0.003 0.509 99.970 1020.954
Leaf area 1.508* 4.868 0.502 32.107 0.504 32.184 0.002 2.225 99.522 42.535
MDA 88.700* 8.586 29.553 185.525 29.595 185.657 0.042 6.994 99.858 245.777
Lipoxygenase 569.428* 28.745 189.809 2.570 189.811 0.479 0.002 0.834 99.999 340.420
No of roots 4.318* 9.993 1.438 0.379 1.441 0.120 0.002 1.550 99.833 50.262

*Significant at 5% probability level, mean sum of squares (M.S), grand mean (G.M), genotypic variance (GV), genotypic coefficient of variance (GCV %), phenotypic variance (PV), phenotypic coefficient of variance (PCV %), environmental variance (EV), environmental coefficient of variance (ECV %), broad sense heritability (h2bs %), genetic advance (GA).