Antimicrobial Activity of Extracts from Leaves, Stems and Flowers of Euphorbia macroclada against plant pathogenic fungi
organic solvents were tested for antimicrobial effect against the fungi Verticillium dahliae, Fusarium oxysporum,
Rhizopus stolonifer, Penicillium italicum, Rhizoctonia solani, Alternaria solani, Stemphylium solani, Cladosporium
sp., Mucor sp., and Pythium sp. The strongest inhibitory effect of the extracts was observed against R. solani, V.
dahliae, F. oxysporum, Pythium sp. and R. stolonifer. The weakest effect was against A. solani. Extracts from the
stems had a stronger inhibitory effect than those from the flowers or leaves. Butanol was the best solvent to extract
antimicrobial compounds from leaves, stems and flowers and was superior to chloroform, water and petroleum ether.
Results clearly indicate that E. macroclada is a promising source of antimicrobial compounds.
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