Molecular characterization and detection of overexpressed C-14 alpha-demethylase-based DMI resistance in Cercospora beticola field isolates
D Nikou, A Malandrakis, M Konstantakaki… - Pesticide Biochemistry …, 2009 - Elsevier
Cercospora beticola strains were isolated from sugar beet fields in N. Greece heavily
sprayed with triazoles. Two resistant phenotypes with resistance factors ranging from 18 to
25 and 65 to 115 were identified. Epoxiconazole-resistant isolates were less sensitive to the
triazole flutriafol but not to the benzimidazole benomyl and the carboxamide boscalid. No
fitness penalties were associated with resistance mutations in the highly resistant phenotype
and most isolates retained their resistance levels even after four generations on fungicide …
sprayed with triazoles. Two resistant phenotypes with resistance factors ranging from 18 to
25 and 65 to 115 were identified. Epoxiconazole-resistant isolates were less sensitive to the
triazole flutriafol but not to the benzimidazole benomyl and the carboxamide boscalid. No
fitness penalties were associated with resistance mutations in the highly resistant phenotype
and most isolates retained their resistance levels even after four generations on fungicide …
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