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The resistance of spores of resistant strains of Botrytis cinerea to quintozene, tecnazene and dicloran
Author(s) -
ESURUOSO O. F.,
WOOD R. K. S.
Publication year - 1971
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1971.tb04646.x
Subject(s) - spore , fungicide , botrytis cinerea , biology , agar , agar plate , microbiology and biotechnology , botany , horticulture , bacteria , genetics
SUMMARY Spores formed by strains of Botrytis cinerea resistant to quintozene, tecnazene, or dicloran did not always produce resistant colonies when grown on agar in the presence of these fungicides. Only about one half of spores produced by fungicide‐vapour‐resistant strains in the absence of fungicides gave resistant colonies whereas all spores produced by the same strains in the presence of fungicides formed resistant colonies on agar. Some spores produced by resistant strains that had developed on agar containing the fungicides were not viable, but those that were always gave resistant colonies on agar.