In Vitro Screening of Fungicides And Plant Extracts Against Two Pathogenic Fungi of Chrysanthemum Morifolium Ramat

Chrysanthemum morifolium is one of the most famous cut flowers with a high ornamental value, occupying an irreplaceable position in international flower commerce. But frequently occurred fungal diseases limit production this plant. A total five fungicides viz., CM-75 WP, Dithane M 45, Ridomil Gold MZ 68 WG, Rovral 50 WP and Score 250 EC were selected to evaluate vitro efficacy at 100, 200, 300, 400 500 ppm concentrations against two pathogenic fungi namely, Curvularia lunata Fusarium moniliforme. showed complete growth inhibition C. CM 75 F. moniliforme all used. Five plant extracts Azadirachta indica, Citrus limon, Datura metel, Psidium guajava Vitex negundo 5, 10, 15 20% test pathogens. Out extracts, A. indica concentrations. On other hand, P. Dhaka Univ. J. Biol. Sci. 31(2): 281-288, 2022 (July)