Abstract
The indole alkaloid venenatine exhibited antifungal activity against some plant pathogenic and saprophytic fungi. Venenatine in an aqueous acetic acid solution inhibited spore germination of all the 10 tested fungi;Fusarium udum, Alternaria brassicicola, Ustilago cynodontis andAspergillus flavus showed an especially high sensitivity towards this compound, exhibiting germination levels below 10%. The spore germination and colony development of the parasitic fungusErysiphe pisi, which causes powdery mildew in pea (Pisum sativum), on excised leaves of pea was also significantly affected. Pre-inoculation rather than post inoculation treatment of the leaves was more inhibitory against spore germination and colony development.
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Singh, U.P., Sarma, B.K., Mishra, P.K. et al. Antifungal activity of venenatine, an indole alkaloid isolated fromAlstonia venenata . Folia Microbiol 45, 173–176 (2000). https://doi.org/10.1007/BF02817419
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DOI: https://doi.org/10.1007/BF02817419