2018
DOI: 10.29312/remexca.v9i4.337
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Evaluación in vitro de la actividad antifungica del extracto de Heliopsis longipes en cepas de Sclerotium cepivorum y Sclerotinia sclerotiorum

Abstract: La pudrición blanca y la pudrición blanda causadas por Sclerotium cepivorum y Sclerotinia sclerotiorum son la principal causa de pérdidas en cultivos de ajo y lechuga, dificultándose su control debido a la producción de esclerocios. Una alternativa amigable con el medio ambiente para el control de enfermedades, es el uso de extractos de plantas; como Heliopsis longipes, la cual tiene la capacidad de producir alcamidas como la afinina, las cuales son responsable de su efecto como insecticida y bactericida, cabe… Show more

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“…It is worth mentioning that more bioassays are required to elucidate precisely what secondary metabolites have biological activity against this fungus. In another investigation [10] the extract of Heliopsis longipes was tested against this same phytopathogen where an inhibition of 15.99% is reported at a concentration of 15,000 ppm, and an average lethal dose of 57,900 ppm, unlike this research, the concentrations used were lower and the percentage of inhibition was higher, which is why the whippet turns out to be a favorable alternative for the control of S. sclerotiorum.…”
Section: Resultsmentioning
confidence: 79%
“…It is worth mentioning that more bioassays are required to elucidate precisely what secondary metabolites have biological activity against this fungus. In another investigation [10] the extract of Heliopsis longipes was tested against this same phytopathogen where an inhibition of 15.99% is reported at a concentration of 15,000 ppm, and an average lethal dose of 57,900 ppm, unlike this research, the concentrations used were lower and the percentage of inhibition was higher, which is why the whippet turns out to be a favorable alternative for the control of S. sclerotiorum.…”
Section: Resultsmentioning
confidence: 79%