Fungicide Resistance Profiles for 13Botrytis cinereaIsolates from Strawberry in Southeastern Louisiana

Autor:	David E. Wedge, Maritza Abril, Kenneth J. Curry, Brian R. Kreiser, Ann Curry, Barbara J. Smith
Rok vydání:	2013
Předmět:	Benzimidazole food.ingredient Ecology Benomyl Plant Science Horticulture Biology biology.organism_classification Fungicide chemistry.chemical_compound food chemistry Agronomy Disease management (agriculture) Bioassay Agronomy and Crop Science Pathogen Botrytis cinerea Botrytis
Zdroj:	International Journal of Fruit Science. 13:413-429
ISSN:	1553-8621 1553-8362
DOI:	10.1080/15538362.2013.789253
Popis:	Fungicidal sprays are widely used for control of Botrytis fruit rot; however, the pathogen often develops resistance to frequently used fungicides. A 96-well plate micro-dilution broth bioassay developed for fungicide discovery was used to provide strawberry growers with a rapid assessment of the fungicide sensitivity of Botrytis isolates against 16 fungicides. Three sensitivity phenotypes were identified: benzimidazole and dicarboximide resistant, benzimidazole resistant and dicarboximide sensitive, and an intermediate response to both fungicides. Codon at position 198 in the β-tubulin gene confirmed benomyl resistance. This bioassay rapidly identifies fungicide resistance and allows growers to quickly adjust their disease management strategy.
Databáze:	OpenAIRE
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