Table 2.
Variation and effect on 38 traits of NDT lines under WDS.
| Traits | Mean I | WDS | Change due to WDS | Range I | WDS | LGP-WDS | Gain |
|---|---|---|---|---|---|---|---|
| Loss | |||||||
| Flowering and maturity | % (except days and score) | % (except days and score) | |||||
| DA | 81.22 | 89.19 | 7.97 (9.81) | 77.00–86.00 | 84.38–95.38 | — | 4.13–11.88 Days |
| DS | 86.31 | 98.68 | 12.37 (14.33) | 82.00–91.50 | 91.88–103.50 | — | 9.88–16.00 Days |
| ASI | 5.09 | 9.49 | 4.40 (86.44) | 4.25–6.00 | 7.50–11.25 | — | 2.50–7.00 Days |
| DDH | 113.34 | 126.92 | 13.58 (11.98) | 110.25–116.50 | 121.00–131.00 | — | 10.75–17.00 Days |
| Vegetative stage and leaf traits | |||||||
| PH | 127.81 | 104.50 | −23.31 (18.24) | 101.25–157.67 | 88.81–130.07 | 9.34–28.72 | — |
| NL | 11.85 | 10.97 | −0.88 (7.43) | 10.44–13.93 | 9.14–13.10 | 14.10 | 5.99 |
| SU | 113.17 | 99.65 | −13.52 (11.95) | 81.00–140.83 | 83.42–118.92 | 37.42 | 39.90 |
| SL | 154.40 | 138.06 | −16.34 (10.58) | 124.00–183.83 | 123.47–163.24 | 30.69 | 1.63 |
| LA-3 | 27.15 | 24.56 | −2.59 (9.54) | 18.73–33.21 | 21.46–28.21 | 24.72 | 20.82 |
| LA-C | 30.22 | 27.12 | −3.10 (10.26) | 24.72–34.07 | 23.45–32.07 | 20.30 | 0.04 |
| INL3–4 | 11.17 | 9.16 | −2.01 (17.99) | 8.75–12.60 | 6.63–10.87 | 29.47 | 11.74 |
| FLL | 27.89 | 24.48 | −3.41 (12.23) | 20.50–34.88 | 18.28–32.36 | 33.98 | 10.29 |
| FLW | 4.39 | 3.60 | −0.79 (18.00) | 3.63–5.01 | 3.27–4.04 | 29.47 | 7.71 |
| Ear traits | |||||||
| EH | 59.89 | 48.46 | −11.43 (19.08) | 41.42–80.17 | 34.12–65.08 | 4.86–38.05 | — |
| EL | 16.58 | 10.60 | −5.98 (36.07) | 12.88–21.06 | 8.35–12.50 | 28.13–50.13 | — |
| EW | 4.95 | 3.58 | −1.37 (27.68) | 4.65–5.40 | 3.07–4.09 | 16.22–35.65 | — |
| H/C | 7.96 | 8.45 | 0.49 (6.16) | 7.09–8.75 | 7.98–8.92 | 5.49 | 18.44 |
| Yield and stress indices | |||||||
| CP | 1.06 | 0.86 | −0.20 (18.87) | 0.95–1.19 | 0.74–1.06 | 0.70–36.36 | — |
| K/R | 24.48 | 15.49 | −8.99 (36.72) | 20.51–29.05 | 12.91–19.72 | 16.26–51.88 | — |
| KR/C | 13.57 | 9.56 | −4.01 (29.55) | 12.17–14.63 | 7.33–11.83 | 16.67–47.30 | — |
| SW | 228.79 | 208.52 | −20.27 (8.86) | 170.75–263.19 | 188.87–248.45 | 21.60 | 24.35 |
| GY/ha | 32.12 | 15.58 | −16.54 (51.49) | 27.31–37.49 | 12.23–21.84 | 34.28–66.15 | — |
| KiSTI | 0.30 | 0.25 | −0.05 (16.67) | 0.22–0.39 | 0.16–0.37 | 59.62 | 21.31 |
| YI | 0.54 | 0.47 | −0.07 (12.96) | 0.47–0.63 | 0.36–0.60 | 42.80 | 9.55 |
| Stress responsive traits | |||||||
| RLWC | 93.52 | 78.16 | −15.36 (16.42) | 89.13–95.16 | 73.66–82.45 | 12.05–20.96 | — |
| SG | 15.08 | 12.80 | −2.28 (15.12) | 6.41–47.32 | 5.99–30.86 | 44.39 | 46.49 |
| LS | 2.40 | 4.61 | 2.21 (92.08) | 2.00–3.17 | 3.88–5.79 | — | 1.71–3.46 Score |
| LR | 1.36 | 5.29 | 3.93 (288.97) | 0.88–1.75 | 4.36–6.34 | — | 2.96–4.67 Score |
| LF | 0.64 | 2.45 | 1.81 (282.81) | 0.48–0.85 | 1.72–3.15 | — | 1.05–2.50 Score |
| PS | 98.63 | 46.05 | −52.58 (53.31) | 98.22–99.45 | 44.01–48.79 | 49.65–55.43 | — |
| TB | 1.48 | 4.90 | 3.42 (231.08) | 1.00–3.17 | 4.05–6.17 | — | 2.39–5.17 Score |
| BP | 1.10 | 22.98 | 21.88 (1989.09) | 0.61–1.42 | 14.66–36.22 | — | 13.52–34.80 |
| Root traits | |||||||
| NBR | 1.41 | 0.69 | −0.72 (51.06) | 0.50–2.00 | 0.25–1.17 | 8.50–72.17 | — |
| RFW | 29.84 | 18.24 | −11.6 (38.87) | 22.62–45.86 | 8.79–27.99 | 29.24–61.36 | — |
| RDW | 8.65 | 6.40 | −2.25 (26.01) | 4.53–18.83 | 2.03–11.13 | 55.19 | 3.98 |
| RL | 26.84 | 16.16 | −10.68 (39.79) | 20.75–31.50 | 13.83–20.04 | 26.45–48.36 | — |
| RV | 21.88 | 12.44 | −9.44 (43.14) | 15.75–33.75 | 9.39–16.94 | 13.63–60.20 | — |
| RN | 39.47 | 33.88 | −5.59 (14.16) | 25.25–49.50 | 21.57–48.50 | 39.94 | 8.15 |
Data in parenthesis is the percentage change; I: Irrigated; WDS: Water Deficit Stress; LGP-WDS: Loss and grain in phenotype under WDS; DT: Drought tolerant; NDT: Non-drought tolerant; SSRT: Secondary stress responsive traits; DA: Days to 50% tasseling; DS: Days to 50% silking; ASI: Anthesis silk interval; DDH: Days to 75% dry husk; PH: Plant height; NL: Number of leaves per plant; SU: Number of stomata on upper surface of leaf; SL: Number of stomata on lower surface of leaf; LA-3: 3rd leaf angle from top; LA-C: Leaf angle at ear forming node; INL3–4: Internodal length between 3rd and 4th leaf from top; FLL: Flag leaf length; FLW: Flag leaf width; EH: Ear height; EL: Ear length; EW: Ear width; H/C: Number of husk per ear; C/P: Number of ear per plant; K/R: Number of kernels per rows; KR/C: Number of kernel rows per ear; SW: 1000 seed weight; GY/ha: Grain yield per hectare; KiSTI: Modified stress tolerance index; YI: Yield index; RLWC: Relative leaf water content; SG: Stay green; LS: Leaf senescence; LR: Leaf rolling; LF: Leaf firing; PS%: Pollen stainability; TB: Tassel blast and BP: Bareness percentage; NBR: Number of brace root per plant; RFW: Root fresh weight; RDW: Root dry weight; RL: Root length; RV: Root volume; RN: Number of roots >10 cm.