Table 3.
Significant variation (t-test) for selected promising progenies for nutrient uptake, root traits, and grain yield under dry direct-seeded conditions.
| Progeny | N uptake | P uptake | Fe uptake | Zn uptake | NR3 | RHL | RHD | GY (kg ha−1) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2015 WS |
2016 DS |
Comb seas | 2015 WS |
2016 DS |
Comb seas | 2015 WS |
2016 DS |
Comb seas | 2015 WS |
2016 DS |
Comb seas | |||||
| IR 115845-B-310-B | 75.3 | 18.1 | 2.6 | 0.353 | 33 | 16 | 25 | 2 | 1 | 1 | 2 | 0 | 1 | 5046 | 4105 | 4575 |
| IR 115845-B-36-B | 61.9 | 10.6 | 1.8 | 0.166 | 48 | 15 | 31 | 1 | 1 | 1 | 2 | 1 | 1 | 4759 | 5275 | 5017 |
| IR 115845-B-61-B | 76.8 | 17.9 | 4.6 | 0.391 | 33 | 15 | 24 | 1 | 1 | 1 | 2 | 1 | 2 | 4495 | 4603 | 4549 |
| IR 115845-B-286-B | 59.7 | 10.4 | 2.5 | 0.262 | 42 | 14 | 28 | 2 | 1 | 2 | 2 | 1 | 2 | 4761 | 5019 | 4690 |
| IR 115845-B-398-B | 67.7 | 14.9 | 1.7 | 0.172 | 32 | 14 | 23 | 2 | 1 | 2 | 2 | 1 | 1 | 4621 | 4747 | 4684 |
| IR 115845-B-435-B | 65.9 | 15.8 | 2.4 | 0.147 | 27 | 16 | 22 | 1 | 1 | 1 | 1 | 1 | 1 | 5029 | 4289 | 4659 |
| IR 115845-B-154-B | 90.5 | 21.4 | 1.6 | 0.230 | 30 | 13 | 22 | 1 | 1 | 1 | 2 | 2 | 2 | 6656 | 4623 | 5640 |
| IR 115845-B-419-B | 68.5 | 18.0 | 2.3 | 0.225 | 26 | 13 | 20 | 1 | 1 | 1 | 1 | 1 | 1 | 4874 | 4721 | 4797 |
| IR 74371-70-1-1+ | 46.4 | 8.2 | 1.5 | 0.199 | 34 | 12 | 23 | 1 | 1 | 1 | 1 | 2 | 2 | 3017 | 4353 | 3685 |
| Vandana+ | 69.7 | 12.4 | 3.3 | 0.184 | 25 | 14 | 19 | 2 | 0 | 1 | 1 | 1 | 1 | 2116 | 3515 | 2815 |
| IRRI 123+ | 60.8 | 10.9 | 1.5 | 0.188 | 30 | 14 | 25 | 1 | 2 | 1 | 1 | 2 | 1 | 2733 | 4371 | 3552 |
| IRRI 148+ | 56.4 | 10.2 | 2.0 | 0.127 | 21 | 9 | 15 | 1 | 0 | 1 | 1 | — | 1 | 2360 | 3841 | 3101 |
| Kali Aus+ | 57.8 | 12.7 | 4.0 | 0.167 | 32 | 10 | 21 | 1 | 1 | 1 | 1 | 1 | 1 | 2566 | 4015 | 3291 |
| UPLRi 7+ | 44.0 | 8.8 | 1.4 | 0.185 | 33 | 12 | 23 | 2 | 1 | 2 | 1 | — | 1 | 4595 | 4988 | 4792 |
| IR 94225-B-82-B | 55.5 | 11.1 | 2.2 | 0.129 | 28 | 16 | 22 | 1 | 1 | 1 | 1 | 1 | 1 | 2132 | 2668 | 2400 |
| IR 94226-B-177-B | 55.2 | 11.3 | 2.0 | 0.150 | 33 | 12 | 23 | 2 | 1 | 2 | 2 | 1 | 1 | 2238 | 3867 | 3053 |
| IR 91648-B-32-B-B | 74.3 | 26.3 | 2.1 | 0.215 | 22 | 10 | 16 | 2 | 1 | 1 | 1 | 1 | 1 | 2753 | 2104 | 2428 |
| Mean | 66.1 | 14.5 | 2.3 | 0.2 | 31 | 13 | 22 | 1 | 1 | 1 | 1 | 1 | 1 | 3837 | 4227 | 4008 |
| SE mean | 2.86 | 1.02 | 0.18 | 0.01 | 1.47 | 0.36 | 0.86 | 0.1 | 0.1 | 0.07 | 0.08 | 0.1 | 0.06 | 272 | 178 | 188 |
| t-test | 23.1** | 14.2** | 12.5** | 13.9** | 20.8** | 35.3** | 24.8** | 15.4** | 10.9** | 17.5** | 17.8** | 11.5** | 19.4** | 14.1** | 23.8** | 21.3** |
+Parent, DS: dry season, WS: wet season, Comb seas: combined seasons, **significance at <0.01 level, NR3: number of nodal roots at 29 DAS, RHL: root hair length, RHD: root hair density, GY: grain yield (kg ha−1), N uptake: nitrogen uptake (kg ha−1), P uptake: phosphorus uptake (kg ha−1), Fe uptake: iron uptake (kg ha−1), Zn uptake: zinc uptake (kg ha−1).