Table 1
Efficiency of seed treatment of sunflower variety R-453 with the laboratory samples of the microbiological preparations containing fungi or bacteria-producers against Phoma macdonaldii in lab conditions under artificial infection using a method of ‘agar blocks’
| Variant | Titer, CFU per g | Biological efficiency, % |
| Control, without treatment | - | 76.2* |
| Fungi-producers | ||
| M-24 Penicillium sp. | 7.8х109 | 73.8 |
| Xk-1 Chaetomium olivaceum | 4.0х107 | 67.2 |
| T-2 Trichoderma sp. | 2.8х109 | 60.6 |
| Pbc-1 P. brevicompactum | 9.0х109 | 60.6 |
| Tt-1 Talaromyces trachispermus | 6.8х107 | 60.6 |
| Pr-1 Penicillium rugulosum | 6.0х109 | 47.5 |
| A-1 Basidiomycetes | 5.4х107 | 47.5 |
| Bacteria-producers | ||
| D-10 Bacillus sp. | 3.8х1010 | 74.2 |
| 5-3 Bacillus sp. | 3.0х1010 | 60.6 |
| B-5 B. licheniformis | 4.8х1010 | 60.6 |
| 1а B. polymyxa | 5.4х1010 | 54.0 |
| 11-1 Bacillus sp. | 2.0х1010 | 47.5 |
| 5B-1 B. subtilis | 5.0х1010 | 41.2 |
| K 1-2 Bacillus sp. | 4.4х1010 | 41.2 |
| Sgc-1 Pseudomonas sp. | 2.8х1011 | 73.8 |
| 14-3 P. chlororaphis | 3.0х1011 | 47.5 |
| Oif 2-1 Pseudomonas sp. | 1.8х1011 | 40.9 |
*Infection of sunflower seedlings with Phoma pathogen in control without treatment, distribution, %
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