Celem prowadzonych badań była ocena wpływu Trichoderma harzianum, Trichoderma atroviride, Sarocladium strictum, Wickerhamo­myces anomalus oraz Bacillus spp. na hamowanie wzrostu grzybni Fusarium spp. oraz rozwój i zdrowotność siewek pszenicy ozimej odmiany Euforia. W warunkach laboratoryjnych, do gatunków najsilniej ograniczających wzrost grzybni Fusarium culmorum, Fusarium graminearum i Fusarium avenaceum należały T. atroviride i T. harzianum. Najsilniej wykształcone strefy hamowania wzrostu obserwo­wano w przypadku bikultur zawierających szczepy Bacillus oraz W. anomalus. Wyniki testów szalkowych, w których oceniano rozwój siewek pszenicy w obecności grzybów patogenicznych i antagonistycznych były zróżnicowane. Do gatunków zapewniających najlepszą ochronę przed F. culmorum i F. graminearum – potencjalnymi sprawcami zgorzeli siewek należał W. anomalus. Wpływ poszczególnych mikroorganizmów antagonistycznych na zieloną masę pszenicy w wariantach z inokulacją patogenami był zmienny. Najwyższe wartości odnotowano w próbach traktowanych T. atroviride, S. strictum oraz Bacillus spp.

The study aimed to assess the impact of Trichoderma harzianum, Trichoderma atroviride, Sarocladium strictum, Wickerhamomyces anomalus and Bacillus spp. on the growth inhibition of Fusarium spp. colonies, and on the health and development of winter wheat va­rietas Euforia seedlings. In the laboratory conditions, the presence of T. atroviride and T. harzianum the most strongly limited the growth of the colonies of Fusarium culmorum, Fusarium graminearum and Fusarium avenaceum. Well-developed growth inhibition zones were observed in the bicultures containing strains of Bacillus spp. and W. anomalus. The development of wheat seedlings in the presence of antagonistic and pathogenic fungi was varied, but W. anomalus provided the best protection against damping off caused by F. culmorum and F. graminearum. The influence of individual antagonistic microorganisms in variants with inoculation with pathogenic microorgan­isms on the green mass of wheat seedlings was variable. The best results were achieved with T. atroviride, S. strictum and Bacillus spp.

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