Potencial de bioestimulantes en albahaca (Ocimum basilicum L.) y su acción sobre el mildiu velloso, Peronospora belbahrii (Peronosporales: Peronosporaceae)
Palabras clave:
Plantas aromáticas, crecimiento vegetativo, biocontrol, infección, patógenoResumen
El mildiu velloso en albahaca, causado por Peronospora belbahrii, provoca daños en el rendimiento, calidad y disponibilidad del producto en el mercado. Su control común es mediante el uso de fungicidas químicos. Sin embargo, su aplicación es limitada debido al impacto en el ambiente. El uso de bioestimulantes para incrementar el vigor de la planta podría ser una alternativa segura contra el patógeno. Este estudio evaluó el efecto de cinco bioestimulantes a base de lixiviado y humus de lombriz, Trichoderma harzianum, Bacillus amyloliquefaciens y extracto de Sargassum spp. sobre las características morfométricas de albahaca, así como la incidencia y severidad del mildiu velloso. Los resultados obtenidos no mostraron efectos en el incremento del crecimiento de la planta, pero sí redujeron significativamente la incidencia y severidad de P. belbahrii. El humus y el lixiviado de lombriz registraron mayor eficacia (60 % y 80 %, respectivamente). Se concluye que los bioestimulantes, si bien no todos incrementan el crecimiento vegetal en albahaca, sí pueden disminuir la incidencia del mildiu velloso.
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Derechos de autor 2026 Julio Ahuixtle-Ahuelican, Mirella Romero-Bastidas, Pablo Misael Arce-Amezquita, Maurilia Rojas-Contreras
Esta obra está bajo una licencia internacional Creative Commons Atribución-NoComercial-CompartirIgual 4.0.
