Incidencia natural de mancha anular del maguey no cultivado (agave spp.) en Mazapil, Zacatecas

espanolSe localizaron plantas de maguey (Agave spp.) en la sierra de Mazapil, al norte del estado de Zacatecas, Mexico, las cuales mostraban lesiones de color cafe rojizo o blancas formando un anillo concentrico. El genero Didymosphaeria spp. se encontro asociado con ambos tipos de lesiones. Un recorrido en la sierra de Mazapil revelo que la incidencia y severidad de la enfermedad puede ser afectada por las especies de Agave, la altitud y la cobertura sobre las plantas de maguey. EnglishMaguey plants (Agave spp.) were located in the Mazapil range, north of the state of Zacatecas, Mexico, that showed brown – reddish and white lesions forming a concentric ring. The genus Didymosphaeria spp was found associated to both types of lesions. A survey in the Mazapil range revealed that the disease incidence and severity may be affected by the Agave species, the altitude, and the coberture on the maguey plants.