Resistance to benomyl in Pyrenopeziza brassicae

A. Ahmad

Abstract

Eight isolates of Pyrenopeziza brassicae Sutton and Rawlhson, collected from oil-seed rape crops in the United Kingdom, were tested for sensitivity to benomyl by studying germination of conidia in fungicide-amendead agar. Although variations in germination of conidia were found, all isolates were sensitive to benomyl at 20 mg/L. Results indicated that benomyl could be used for effective control of light leaf-spot disease of oil-seed rape.

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