Open Access
Table 4
Effect of a plant density on the biometric characteristics of plants of normal and erectoid sunflower hybrids.
| Variant | Plant height, cm | Head diameter, cm | |||
|---|---|---|---|---|---|
| Plant density, plants/ha | Hybrid | 2018 | 2019 | 2018 | 2019 |
| 80 000 | Triumph | 170.0 | 159.9 | 14.7 | 15.4 |
| Triumph er-2 | 168.3 | 161.3 | 15.0 | 15.4 | |
| Triumph Еr-3 | 170.0 | 151.8 | 14.3 | 14.2 | |
| LSD05 | 3.8 | 2.6 | 2.5 | 0.8 | |
| 100 000 | Triumph | 173.3 | 153.2 | 15.0 | 13.7 |
| Triumph er-2 | 175.0 | 158.3 | 15.7 | 14.5 | |
| Triumph Еr-3 | 167.7 | 152.1 | 14.3 | 13.2 | |
| LSD05 | 2.5 | 13.5 | 2.5 | 2.4 | |
| 120 000 | Triumph | 169.3 | 158.7 | 14.7 | 13.7 |
| Triumph er-2 | 172.7 | 157.6 | 14.7 | 13.8 | |
| Triumph Еr-3 | 165.3 | 150.7 | 13.7 | 12.8 | |
| LSD05 | 6.7 | 7.8 | 1.6 | 1.5 | |
| 80 000 | Berkut | 152.0 | 143.3 | 16.7 | 16.4 |
| Berkut er-2 | 161.7 | 150.9 | 15.3 | 16.2 | |
| Berkut Еr-3 | 153.3 | 146.8 | 16.0 | 15.4 | |
| LSD05 | 8.9 | 3.7 | 2.5 | 2.2 | |
| 100 000 | Berkut | 160.0 | 142.2 | 15.3 | 15.9 |
| Berkut er-2 | 163.3 | 153.9 | 15.0 | 15.5 | |
| Berkut Еr-3 | 154.7 | 147.9 | 15.0 | 15.9 | |
| LSD05 | 6.6 | 5.4 | 2.0 | 2.5 | |
| 120 000 | Berkut | 160.7 | 146.1 | 14.0 | 14.2 |
| Berkut er-2 | 161.0 | 148.3 | 14.3 | 14.2 | |
| Berkut Еr-3 | 154.3 | 144.7 | 14.3 | 15.3 | |
| LSD05 | 8.0 | 7.0 | 1.5 | 4.2 | |
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