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Revista mexicana de fitopatología

versão On-line ISSN 2007-8080versão impressa ISSN 0185-3309

Resumo

CONTRERAS-PEREZ, Miguel et al. First report of Lasiodiplodia on blackberry plants (Rubus subgenus Eubatus) in the Michoacan state, Mexico. Rev. mex. fitopatol [online]. 2019, vol.37, n.3, pp.479-485.  Epub 30-Set-2020. ISSN 2007-8080.  https://doi.org/10.18781/r.mex.fit.1905-4.

In 2017, there were several outbreaks of diseases caused by phytopathogenic fungi in blackberry of the “Tupi” variety (Rubus subgenus Eubatus) crops in Los Reyes-Periban region, Michoacán. Fungal isolates were obtained from symptomatic plants. In this work, the pathogen AB1 was morphological and molecularly characterized. Through BLAST homology searches of the 18S rRNA marker and the rDNA internal transcribed spacer region (ITS), the fungi AB1 had a high identity with fungus of Lasiodiplodia genus (Lasiodiplodia theobromae and Lasiodiplodia parva), additionally, infection of Lasiodiplodia sp. AB1 in blackberry plants was corroborated in vitro. This is the first report of the isolation of the phytopathogenic fungus Lasiodiplodia sp. in blackberry crops.

Palavras-chave : Infection; Tupi; Stem rot; Molecular characterization.

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