Abstract
Leaf extracts of four tree species and a shrub were screened in vitro for their fungitoxicity against the damping-off of fungi, viz., Fusarium oxysporum f.sp. dalbergiae and Rhizoctonia solani. Leaf extracts of Prosopis juliflora caused maximum inhibition of mycelial growth of both the fungal pathogens at all the dilution levels. It was followed by extracts from Eucalyptus tereticornis and Ocimum sanctum. The antifungal activity of all the tested plant extracts increased significantly with the increase in concentration, being the highest at 10 per cent concentration (maximum concentration tried).
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