Table 1. Productivity structure (2015–16 & 2016–17).
| Season | Wheat variety | Ctrl seeds | Pelleted seeds (P) | P/Ctrl ratio | Pelleted & Primed seeds (Pr) | Pr/Ctrl ratio | |
|---|---|---|---|---|---|---|---|
| 2015–16 | Volodarka | Plant height (cm) | 93.1 ± 0.3 | 91.6 ± 0.6 | 0.98 | 94.3 ± 0.3 | 1.01 |
| Number of tillers per plant | 6.6 ± 0.1 | 7.1 ± 0.1 | 1.08 | 11.8 ± 0.2 | 1.79 | ||
| Ear length (cm) | 12.2 ± 0.2 | 11.9 ± 0.2 | 0.98 | 13.6 ± 0.1 | 1.12 | ||
| Number of spikelets per ear | 17.2 ± 0.2 | 18.4 ± 0.1 | 1.07 | 19.3 ± 0.1 | 1.12 | ||
| Number of grains per ear | 41.0 ± 0.5 | 42.5 ± 0.5 | 1.04 | 52.5 ± 0.6 | 1.28 | ||
| Grain mass per plant (g) | 1.57 ± 0.02 | 1.68 ± 0.02 | 1.07 | 2.18 ± 0.03 | 1.39 | ||
| Yatran 60 | Plant height (cm) | 84.7 ± 0.4 | 83.3 ± 0.3 | 0.98 | 86.7 ± 0.3 | 1.02 | |
| Number of tillers per plant | 7.3 ± 0.2 | 7.3 ± 0.1 | 1.00 | 12.7 ± 0.2 | 1.74 | ||
| Ear length (cm) | 13.4 ± 0.1 | 13.4 ± 0.1 | 1.00 | 13.5 ± 0.1 | 1.01 | ||
| Number of spikelets per ear | 21.0 ± 0.1 | 20.9 ± 0.1 | 1.00 | 21.6 ± 0.1 | 1.03 | ||
| Number of grains per ear | 44.0 ± 0.4 | 45.7 ± 0.3 | 1.04 | 55.8 ± 0.3 | 1.27 | ||
| Grain mass per plant (g) | 1.57 ± 0.03 | 1.68 ± 0.03 | 1.07 | 1.98 ± 0.02 | 1.26 | ||
| 2016–17 | Volodarka | Plant height (cm) | 85.2 ± 0.4 | 82.2 ± 0.3 | 0.97 | 83.4 ± 0.4 | 0.98 |
| Number of tillers per plant | 2.4 ± 0.2 | 2.1 ± 0.1 | 0.88 | 4.5 ± 0.2 | 1.88 | ||
| Ear length (cm) | 12.3 ± 0.2 | 12.2 ± 0.2 | 0.99 | 13.1 ± 0.2 | 1.07 | ||
| Number of spikelets per ear | 17.3 ± 0.3 | 18.1 ± 0.1 | 1.05 | 18.8 ± 0.3 | 1.09 | ||
| Number of grains per ear | 38.1 ± 0.4 | 36.4 ± 0.6 | 0.96 | 40.2 ± 0.7 | 1.06 | ||
| Grain mass per plant (g) | 1.64 ± 0.07 | 1.68 ± 0.05 | 1.02 | 2.20 ± 0.08 | 1.34 | ||
| Yatran 60 | Plant height (cm) | 78.3 ± 0.3 | 79.4 ± 0.2 | 1.01 | 80.8 ± 0.3 | 1.02 | |
| Number of tillers per plant | 2.2 ± 0.1 | 2.0 ± 0.1 | 0.91 | 4.8 ± 0.2 | 2.18 | ||
| Ear length (cm) | 12.8 ± 0.2 | 13.0 ± 0.2 | 1.02 | 13.9 ± 0.2 | 1.09 | ||
| Number of spikelets per ear | 16.3 ± 0.2 | 15.2 ± 0.4 | 0.93 | 20.1 ± 0.4 | 1.23 | ||
| Number of grains per ear | 39.6 ± 0.4 | 38.2 ± 0.6 | 0.97 | 46.5 ± 0.9 | 1.17 | ||
| Grain mass per plant (g) | 1.47 ± 0.04 | 1.52 ± 0.05 | 1.03 | 1.84 ± 0.06 | 1.25 |
Means ± SE are shown. Ctrl, Plants grown from untreated seeds. See the main text for the statistical analyses of these data using a modelling approach.