EN
Insecticides Basudin 25 EC, Stonkat 160 SL and Karate 025 EC in vitro demonstrated weak fungistatic activity against Fusarium culmorum, Rhizoctonia solani and Trichoderma viride. It was visible only on the media containing 100 mg/cm -3 of chemicals. In lover concentrations insecticides showed tendency to stimulate of fungal growth. Insecticdes did not influence on the interaction between Trichoderma viride and phytopathogens.