Open Access
Table 1
Antagonistic activity of antagonist fungi strains against the causative agent of Alternaria sp., the necrotic leaf spot of grape, at temperature of 25 °C on Rudakov's agar, on the 10th day of cultivation
| Strain of antagonist | Area of the nutrient medium surface colonization | Hyperparasitic zone, cm2 | |
|---|---|---|---|
| Antagonist | Pathogen | ||
| % | % | ||
| Alternaria sp. (control) | - | 89.3 | - |
| Competition for the feeding area with hyperparasitism | |||
| Strain of antagonist | Area of the nutrient medium surface colonization | Hyperparasitic zone, cm2 | |
| Antagonist | Pathogen | ||
| % | % | ||
| Т-4 Trichoderma sp. | 100 | 19.3 | 15.6 |
| Т-5 Trichoderma sp. | 100 | 20.0 | 16.2 |
| Т-3 Trichoderma sp. | 100 | 21.7 | 17.6 |
| Т-1 Trichoderma sp. | 100 | 21.9 | 17.7 |
| Т-2 Trichoderma sp. | 100 | 23.7 | 19.2 |
| Tr-1 Trichothecium sp. | 100 | 44.6 | 36.1 |
| А-1 Basidiomycota sp. | 100 | 46.0 | 37.3 |
| Tk-1 Trichoderma sp. | 85.6 | 50.5 | 32.5 |
| И-3 Basidiomycota sp. | 88.9 | 44.6 | 29.5 |
| An-1 Aspergillus sp. | 70.0 | 37.5 | 7.8 |
| SM-1 Sordaria sp. | 79.7 | 20.4 | 1.4 |
| Ma-1 Metarhizium sp. | 75.2 | 25.9 | 0.9 |
| Pr-1 Penicillium sp. | 26.3 | 54.2 | 3.7 |
| Хк-3 Chaetomium sp. | 51.7 | 54.4 | 3.4 |
| Хк-1 Chaetomium sp. | 47.3 | 55.6 | 3.5 |
| Pf-1 Penicillium sp. | 20.0 | 61.2 | 3.0 |
| Хк-4 Chaetomium sp. | 47.8 | 56.8 | 1.9 |
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