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Revista mexicana de fitopatología

On-line version ISSN 2007-8080Print version ISSN 0185-3309

Abstract

MONDRAGON FLORES, Alejandra; LOPEZ MEDINA, José; OCHOA ASCENCIO, Salvador  and  GUTIERREZ CONTRERAS, Maribel. Fungi Associated to Blueberry Foliage in Los Reyes, Michoacan, Mexico. Rev. mex. fitopatol [online]. 2012, vol.30, n.2, pp.141-144. ISSN 2007-8080.

The aim of the study was to identify morphologically the fungi associated to symptomatology present in leaves, stems and blueberry fruits and determine its seasonal incidence in the main producing area of this berry in Michoacán, Mexico. Between March 2009 and February 2010, some leaves, stems and fruits with symptoms attributed to fungi were randomly collected from 5% of the plants of three commercial orchards. Isolates in PDA were made from damaged tissue and the pure fungal strains were obtained. Specialized keys were used for fungi identification at genus level. Twelve fungi were identified associated to 12 symptomatologies, among them: fruit rot (Alternaria, Colletotrichum), leaf spot (Alternaria, Colletotrichum, Neofusicoccum, Pestalotiopsis, Phyllosticta, Stemphyllium), rust (Pucciniastrum), blighting and stem canker (Alternaria, Bipolaris, Colletotrichum, Curvularia, Neofusicoccum, Phomopsis, Pestalotiopsis, Phoma) and bud blight (Chaetomium, Phoma). The rust showed the highest incidence (84.39 %), mainly during spring. The most frequently isolated fungi were Colletotrichum and Alternaria.

Keywords : Vaccinium sp.; diagnosis; incidence.

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