Sciences & Technologie
Volume 0, Numéro 14, Pages 111-114
2000-12-31

Phenotypic Characterisation And Genetic Analysis Of Mutants Of Aspergillus Nidulans Resistant To The Fungicide Tolclofos-methyl



Authors : Chibani A .

Abstract

Spontaneous mutants of Aspergillus nidulans were recovered from 0,55.10+7 conidia incubated on synthetic medium supplemented with 100 g tolclofos-methyl/ml. They differed considerably in morphology, growth rate, and level of resistance to two other fungicides. All mutants tested were cross-resistant to quintozene and vinclozolin; they produced fewer conidia than their wildtype parent. Some mutants required fungicides for maximum growth. Genetic analysis revealed that the mutants carried mutations in one gene located on linkage group III.

Keywords

Aspergillus nidulans, tolclofos methyl, fungicide resistance, dicarboximide

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