EVALUACIÓN in vitro DE PRODUCTOS QUÍMICOS NO CONVENCIONALES PARA EL CONTROL DE Penicillium citrinum.
Resumen
El ajo (Allium sativumL.), es un cultivo que esta expuesto al ataque de patógenos importantes del género Penicillium provocando pérdidas económicas importantes. De manera tradicional, la alternativa para controlar fitopatógenos es mediante la aplicación de fungicidas sintéticos. Sin embargo, debido a la aparición de cepas resistentes y problemas ambientales, es necesario la búsqueda de tratamientos alternativos que sean efectivos y amigables con el medio ambiente. En este sentido, el uso de quitosano, peróxido de hidrógeno (H2O2), sorbato de potasio (SP) y bicarbonato de sodio (BS) representa una alternativa amigable con el medio ambiente con propiedades antimicrobianas. En este estudio, P. citrinum fue aislado e identificado mediante herramientas moleculares. En el ensayo in vitro, el H2O2al 0.5%, el BS al 3% y el quitosano al 1% resultaron efectivos en la inhibición del desarrollo del patógeno (crecimiento micelial, esporulación y germinación). Se observó un efecto sinérgico de los tratamientos evaluados en combinación a bajas concentraciones. Por lo tanto, los tratamientos evaluados pueden ser una alternativa viable y amigable con el medio ambiente el control de P. citrinumen ajo.
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