Colombia
Para valorar la presencia e incidencia de patógenos fúngicos, se tomaron muestras de material foliar de Cucurbita moschata Duch. en condiciones de campo en tres localidades del Valle del Cauca. Las muestras colectadas se aislaron, incubaron, identificaron, re aislaron en cultivo puro e incubaron y se realizó la prueba de patogenicidad en invernadero, con aspersión de disoluciones al 1 x 10 6 conidios sobre plantas sanas. Para los patógenos Alternaria sp., Fusarium sp., Nigrospora sp., Curvularia sp., Penicillium sp., y Mycelio sterilia, se comprobó su acción fitopatogéna y se cumplieron los postulados de Koch.
To evaluate the presence and incidence of pathogenc fungals, samples of leaf material of Cucurbita moschata Duch were taken. Under field conditions in three locations of Valle del Cauca. The collected samples were isolated, incubated and identified, later than pure culture samples were taken, incubated and a pathogenicity test was mounted under glass with spray disluciones 1 x 10 6 conidia onto healthy plants. For all pathogens (Alternaria sp., Fusarium sp., Nigrospora sp., Curvularia sp., Penicillium sp., y Mycelio sterilia) were fully checked her phytopathogenic action and Koch’s postulates were fulfilled.
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