Abstract

This study was conducted to test effect of fungicides on the spore germination and mycelial growth of BotaniGard(Beauveria bassiana GHA). Eight fungicides, which are using for plant disease control in cucumber cultivation, with different concentration were mixed with conidia of GHA isolate for 0.5, 2, and 4 hours. The fungicides trifluminazol, fenarimol, ethaboxam, copper hydroxide and tetraconazol did significantly not inhibit on spore germination and mycelial growth. The trifluminazol, propineb and tetraconazol on high concentrations inhibited the mycelial growth of GHA. However, mixing time of fungicide with conidia of GHA did not affect in spore germination and mycelial growth. These results suggest that fungicide effect needed be checked before mycopesticide is applied in the field.

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