Table 4.
Means for agronomic traits measured on Banks and Kite tillering NILs assessed during grain-filling and maturity in the field in 2004
| Entry | Plant height (cm) | Stomatal conductancea (n) | Canopy temperature depressiona (°C) | No. of spikes (n m–2) | Grain yield (t ha–1) | Total biomass (t ha–1) | Harvest index | No. of grains (n m–2) | Grains per ear (n) | Kernel weight (mg) | Grain protein concentration (%) | Root depth (cm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Banks– | 100 | 0.13 | 0 | 608 | 5.91 | 14.5 | 0.41 | 22 692 | 38 | 26 | 11.8 | 117 |
| Banks+ | 97 | 0.29** | –0.41 | 328*** | 6.90** | 15.0 | 0.45** | 19 714* | 60*** | 35*** | 13.1** | 147** |
| Banks++ | 96 | 0.38*** | –1.40** | 237*** | 6.59** | 14.1 | 0.46*** | 18 333** | 79*** | 36*** | 14.5*** | 135* |
| Kite– | 102 | 0.14 | –b | 536 | 6.22 | 15.9 | 0.39 | 18 353 | 34 | 34 | 14.5 | –b |
| Kite+ | 103 | 0.16 | –b | 447* | 6.19 | 16.3 | 0.38 | 14 420** | 33 | 43*** | 14.6 | –b |
a 7–10 d post-flowering averaged at three times: 9:00, 12:00, and 15:00h.
b Not sampled.
*, **, and *** denote that restricted-tillering, tin NIL means are statistically different from non-tin, free-tillering sister NIL means at P=0.10, 0.05, and 0.01, respectively. –, +, ++ refer to free tillering, oligoculm and biculm NILs, respectively.