Abstract

Banana, a crop which constitutes one of the sources of income for the economy in Ecuador and other exporting countries. The objective of the research was to evaluate the antifungal activity of different plant extracts on the mycelial inhibition of Fusarium incarnatum in vitro. A completely randomized experimental design was used, with 21 treatments, 3 replicates and an absolute control. These treatments were plant extracts such as hydrolysates and ethanolic extracts: cinnamon (Cinnamomum verum), clove (Syzygium aromaticum) and oregano (Origanum vulgare) extracts. The variables evaluated were: radial growth of Fusarium incarnatum mycelium during the 7 days, area under the ABCPE disease curve and the value of the slope of the linear regression, the treatment that registered the greatest inhibition was T13, T14, T15 in all its doses (10,000; 30,000; 50,000 ppm) of the ethanolic extract of clove and T12 (50,000 ppm) of ethanolic extract of cinnamon. In conclusion, the ethanolic extracts at their above mentioned doses were the best treatments for inhibitory control at the in vitro level.

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