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Compatibility of strains-producers of microbiopreparations with pesticides recommended for application on oil flax is determined. The strains-producers of microbiopreparations 11-3 Bacillus sp. and Т-1 Trichoderma sp. Are compatible with fungicides, insecticides, and a herbicide (TMTD, WSC (thiram, 400 g/l); Raxil Ultra, CS (tebuсonazole, 120 g/l); Faskord, EC (alpha-cypermethrin, 100 g/l); Rogor-S, EC (dimethoate, 400 g/l); Egida, SC (mesotrione, 480 g/l). This allows applying mixtures on their basis in an integrated crop protection. A partial compatibility of a fungus strain Т-1 Trichoderma sp. with a fungicide Raxil Ultra, CS is an exclusion. Bacterial and fungus strains-producers are not compatible with fungicides Redigo Pro, CS (prothioconazole, 150 g/l, tebuсonazole, 20 g/l) and Tebu 60, ME (tebuсonazole, 60 g/l). [ABSTRACT FROM AUTHOR]

The article presents the results of the development of technology elements of microbiopreparation laboratory samples application in the preparative form of wettable powder (WP) based on two promising producer strains against the pathogen of oil flax Fusarium blight Fusarium oxysporum var. orthoceras on the background of artificial inoculation in the soil depending on application rates. We established the optimum application rates for laboratory samples of WP on the background of oil flax inoculation with Fusarium blight pathogen of 67.5 % in control without treatment: based on fungal producer strain T-1 Trichoderma sp. – 0.05 kg/t; based on bacterial producer strain 11-3 Bacillus sp. – 0.3 kg/t. The laboratory sampleof WP based on the bacterial strain showed higher effectiveness against the pathogen of oil flax Fusarium blight. [ABSTRACT FROM AUTHOR]