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Revista mexicana de fitopatología

versión On-line ISSN 2007-8080versión impresa ISSN 0185-3309

Resumen

HERRERA-PARRA, Elizabeth et al. First record of Fusarium solani and F. equiseti in plantations of Jatropha curcas in Mexico. Rev. mex. fitopatol [online]. 2017, vol.35, n.1, pp.150-161. ISSN 2007-8080.  http://dx.doi.org/10.18781/r.mex.fit.1608-1.

Physic nut (Jatropha curcas) is a multipurpose plant that has acquired importance as biofuel; due to the oil extracted, its seed can be used to produce biodiesel. Vascular tissue necrosis, vascular wilting, root rot, dieback and shortening symptoms were observed in J. curcas plantations in Yucatan, Mexico. The objective this work was to identify the causal agent of symptoms using conventional and molecular techniques. Pathogenicity tests in the greenhouse, morphological characterization and sequence analysis showed that the causal agents of the disease were Fusarium solani and Fusarium equiseti. This is the first report of F. solani as causal agent of vascular tissue necrosis, vascular wilting and root rot, and also the first report of F. equiseti to cause dieback and shortening in J. curcas in Mexico.

Palabras llave : Fusarium solani; Fusarium equiseti; phytopathogens; physic nut.

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