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LA GRANJA. Revista de Ciencias de la Vida
versión On-line ISSN 1390-8596versión impresa ISSN 1390-3799
Resumen
VALDES, Luis Alberto et al. CHARACTERIZATION MORPHOLOGICAL, CULTURAL AND PATHOGENIC OF ISOLATED Colletotrichum sp. ANTHRACNOSE PRODUCING IN MANGO (Mangifera indica L.). La Granja [online]. 2017, vol.26, n.2, pp.38-51. ISSN 1390-8596. https://doi.org/10.17163/lgr.n26.2017.04.
Anthracnose is considered the main fungal disease affects mango. Cause considerable damage to leave, flowers and fruits. The filamentous fungi of the genus Colletotrichum and its teleomorph Glomerella pathogens are considered the most widely distributed plants worldwide, causing this disease. In this investigation were obtained 22 isolates of Colletotrichum from different localities of the country western region, in six varieties of mango. Cultural characterization was varied in the growth of colonies on PDA, with presence and absence of exudation at different temperatures, 24 degrees being optimal for growth. The observed in isolated sexual stage shows few perithecia. Conidia concentration ranged between 107 and 105 measured Neubauer chamber while appresoria and conidia are within the ranges for the species Colletotrichum gloeosporioides. Variability in pathogenicity showed that all species investigated wizards are susceptible to microorganism. The statistical analysis shows the grouping of isolates by locality with similar pathogenic characteristics.
Palabras clave : Glomerella cingulata; anthracnose; appressoria; conidia pathogenicity.