Open Access
Table 2
Effectiveness of the Use of Zorvec Encantia SE Fungicide on Grapevines Against Downy Mildew (Krasnodar region, 2015-2017)
| rate of application [l, kg/ha] | biological effectiveness* | yield [kg/vine] | saved crop [%] | |
|---|---|---|---|---|
| leaves | bunches | |||
| 2015 | ||||
| 0.35 | 69.0-100 | 83.4-87.4 | 4.4 | 46.7 |
| 0.5 | 73.4-100 | 88.2-95.2 | 4.6 | 53.3 |
| 0.65 | 77.8-100 | 90.8-92.3 | 4.9 | 63.3 |
| 0.4 (reference standard) | 57.8-100 | 84.1-91.1 | 4.8 | 60.0 |
| control | 7.4-24.9** | 10.1-27.1** | 3.0 | - |
| Least Significant Difference (LSD05) = 0.7 | ||||
| 2016 | ||||
| 0.35 | 91.4-100 | 91.1-100 | 4.1 | 17.1 |
| 0.5 | 94.0-98.3 | 90.0-100 | 4.3 | 22.9 |
| 0.65 | 91.4-95.7 | 91.7-100 | 4.2 | 20.0 |
| 0.4 (reference standard) | 89.4-97.5 | 93.3-100 | 4.0 | 4.3 |
| control | 5.9-10.3** | 2.1-18.0** | 3.5 | - |
| Least Significant Difference (LSD05) = 0.4 | ||||
| 2017 | ||||
| 0.65 | 90.0-96.8 | 90.7-99.1 | 5.2 | 8.3 |
| 0.8 | 92.7-97.3 | 88.0-99.1 | 5.4 | 12.5 |
| 0.4 (reference standard) | 88.4-97.0 | 88.7-99.1 | 5.4 | 12.5 |
| control | 13.1-25.7** | 11.6-15.8** | 4.8 | - |
| Least Significant Difference (LSD05) = 0.4 | ||||
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