Table 3 Range, mean and least significant difference (LSD) for plant height (cm), maximum root length (rooting depth; cm), maximum root length:shoot length ratio (unitless), total root length (cm), root diameter (mm), root volume (cm3), tiller number (plant− 1) and stem dry weight (g plant− 1) of wheat–alien chromosome lines under irrigation (control) and drought stress (water withheld for 58 d) (Experiment 2)
Trait | Irrigated condition | Drought stress | LSD for stress | ||
|---|---|---|---|---|---|
Range | Mean | Range | Mean | ||
Plant height (cm) | 44.0–102.5 | 63.4 | 39.6–97.0 | 58.7 | 2.8*** |
Maximum root length (rooting depth; cm) | 108.0–186.0 | 146.9 | 58.5–164.5 | 108.7 | 5.8*** |
Maximum root length:shoot length ratio (unitless) | 1.15–3.20 | 2.39 | 0.95–2.90 | 1.90 | 0.11*** |
Total root length (cm) | 1559–11,599 | 5131 | 1826–10,873 | 4747 | 276*** |
Root diameter (mm) | 0.19–0.32 | 0.26 | 0.17–0.29 | 0.23 | 0.009*** |
Root volume (cm3) | 0.70–5.50 | 2.6 | 0.55–4.60 | 2.0 | 0.2*** |
Tiller number (plant−1) | 3.5–12.5 | 5.8 | 1.5–12.0 | 3.9 | 0.45*** |
Stem dry weight (g plant− 1) | 0.41–6.40 | 2.6 | 0.28–4.70 | 1.5 | 0.25*** |