Table 6.
Summary of traits (LA, leaf area; TDMa, anthesis total dry matter; WSC, water soluble carbohydrate; N, nitrogen; KNS, kernel number per spike; and SCR, screenings) related to kernel weight of R-tin, SR-tin, and free-tillering (W) Silverstar lines averaged across density in the irrigated, mild, and severe stress treatments
| Trait | Irrigated | Mild stress | Severe stress | ||||||
|---|---|---|---|---|---|---|---|---|---|
| R-tin | SR-tin | W | R-tin | SR-tin | W | R-tin | SR-tin | W | |
| LA (cm2 stem–1) | 144 a | 135 a | 111 b | 89 a | 94 a | 71 b | 86 a | 72 b | 60 c |
| TDMa (g spike–1) | 2.59 a | 1.66 b | 1.69 b | 2.16 a | 2.1 a | 1.52 b | 2.0 a | 1.53 b | 1.41 b |
| WSC (mg g–1) | 113 a | 74 b | 44 c | 236 a | 207 a | 206 a | 276 a | 256 b | 242 b |
| WSC (g spike–1) | 0.16 a | 0.07 b | 0.04 b | 0.25 a | 0.23 a | 0.15 b | 0.27 a | 0.20 b | 0.17 b |
| N (%) | 1.24 b | 1.45 a | 1.55 a | 1.15 a | 1.23 a | 1.24 a | 1.24 b | 1.23 a,b | 1.40 a |
| N (mg spike–1) | 16.7 a | 12.5 b | 13.7 b | 12.5 a | 13.3 a | 9.5 b | 12.3 a | 9.9 b | 9.9 b |
| KNS | 58.0 a | 32.0 b | 38.8 b | 59.0 a | 40.0 b | 36.6 b | 41.8 a | 36.5 a,b | 33.4 b |
| SCR (%) | 6.5 a | 4.0 b | 3.6 b | 8.3 b | 10.1 a | 13.0 a | 7.6 b | 16.8 a | 14.5 a |
Means within irrigation treatments followed by the same letter are not statistically different at P=0.05.