BIOLOGICAL PROPERTIES OF A NEW FUNGICIDE, FLUAZINAM

Fungicidal properties of a new fungicide, fluazinam (IKF-1216) were in vestigated. Fluazinam had a broad fungicidal spectrum in antifungal te st in vitro. It showed a good preventive efficacy against plant diseas es caused by species of Botrytis, Colletotrichum, Phytophthora , Pseud operonospora, Pyricularia, Sclerotinia and Venturia in a glasshouse te st. Fluazinam had little curative and systemic efficacies; however, it showed a good residual efficacy with rain fastness against cucumber g ray mold and tomato late blight. Furthermore, fluazinam was active aga inst isolates of Phytophthora infestans which differed in sensitivity to metalaxyl. It also showed a high efficacy against the disease cause d by benomyl-and procymidone-resistant isolates of Botrytis cinerea.