Journal
JOURNAL OF PESTICIDE SCIENCE
Volume 46, Issue 1-2, Pages 198-205Publisher
PESTICIDE SCI SOC JAPAN
DOI: 10.1584/jpestics.D20-094
Keywords
aminopyrifen; 2-aminonicotinate fungicide; gray mold; GPI; GWT-1 inhibitor
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Aminopyrifen is a novel fungicide with high antifungal activity mainly against Ascomycetes, showing good preventive efficacy and translaminar action. It effectively controlled gray mold and powdery mildew in field trials, suggesting its usefulness in protecting crops from various plant pathogens.
Aminopyrifen is a novel 2-aminonicotinate fungicide with unique chemistry and a novel mode of action. The fungicide showed high antifungal activity mainly against Ascomycetes and its related anamorphic fungi under in vitro and pot conditions (EC50 values: 0.0039-0.23 mg/L and 1.2-12 mg/L, respectively). The active ingredient strongly inhibited germ-tube elongation of Botrytis cinerea below 0.1 mg/L and invasion into a plant. The compound exhibited no cross-resistance to commercial fungicides in B. cinerea. The antifungal agent showed high preventive efficacy and translaminar action. In the field, aminopyrifen controlled gray mold and powdery mildew at 150 mg/L. Our findings suggest that aminopyrifen is useful for protecting crops from various plant pathogens.
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