Open Access
Table 1
Effectiveness of the Use of Pergado Zoks WDG Fungicide on Grapevines Against Downy Mildew (Krasnodar region, the Republic of Crimea, 2015-2016)
| rate of application | biological effectiveness* [%] | yield [kg/vine] | saved crop [%] | |
|---|---|---|---|---|
| leaves | bunches | |||
| Krasnodar Krai | ||||
| 0.4 | 83.2-94.5 | 94.0 | 3.7 | 68.2 |
| 0.5 | 92.7-96.3 | 94.0 | 3.7 | 68.2 |
| 0.6 | 92.7-99.1 | 94.0 | 3.6 | 63.6 |
| 5.0 (reference standard) | 91.2-99.1 | 73.1 | 3.2 | 45.5 |
| control | 10.1–16.5** | 6.7** | 2.2 | - |
| Least Significant Difference (LSD05) = 0.7 | ||||
| The Republic of Crimea | ||||
| 0.4 | 72.1-76.9 | 80.8-81.2 | 5.3 | 32.5 |
| 0.5 | 74.0-81.4 | 85.5-90.5 | 5.3 | 32.5 |
| 0.6 | 77.0-81.5 | 88.1-91.8 | 5.1 | 27.5 |
| 5.0 (reference standard) | 70.9-79.6 | 83.6-88.1 | 5.4 | 35.0 |
| control | 24.4-29.9** | 15.8-22.6** | 4.0 | - |
| Least Significant Difference (LSD05) = 0.5 | ||||
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