| Summary: | A survey of in vitro sensitivity of 13 isolates of the mushroom pathogen Cladobotryum spp. to the fungicides thiophanate-methyl, carbendazim, cyproconazole+carbendazim and flusilazole+carbendazim was undertaken. The isolates were collected from diseased fruitingbodies of Agaricus bisporus sampled from mushroom farms in Serbia over the period 2003-2006. Sensitivity to the selected fungicides was tested and all isolates were found to be highly sensitive to carbendazim (EC50 = 0.24 - 2.92 mg l-1), cyproconazole+carbendazim(EC50 = 0.33 - 1.82 mg l-1) and especially to flusilazole+carbendazim (EC50 = 0.02 - 0.11 mg l-1). All the isolates tested were weakly resistant to thiophanate-methyl and had EC50 values in the region of 6.53 to 12.09 mg l-1.
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