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Phatik T.,Darrang College | Das J.,Defence Research Laboratory DRDO | Boruah P.,Northeast Institute Of Science And Technology Csir
Plant Archives | Year: 2014

Antifungal activity of leaf extracts of Polygonum hydropiper and Solanum melongena were tested against Colletotrichum capsici, Curvularia lunata, Rhizoctonia solani and Sclerotinia sclerotiorum, causing severe losses in many economically important crop plants. The ethanolic leaf extracts were found to be effective against the pathogens, when compared with commercial fungicide in-vitro. The maximum zone of inhibition formed by the test extract at 2% concentration were 36.33 mm, 37.33 mm and 30.66 mm in C. lunata, S. sclerotiorum and R. Solani, respectively in P. hydropiper whereas 34.33 mm, 36.24 mm and 32.33 mm in C. capsici, S. sclerotiorum and R. solani respectively in case of S. melongena extracts. It was observed that the inhibitory effect of the commercial fungicide (Dithane M-45) was marginally higher. Source

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