Fusarium oxysporum, causal agent of stevia wilt in Veracruz, Mexico

Authors

  • Santos Gerardo Leyva-Mir
  • Jennifer Dulce Gutiérrez-Salazar
  • Moisés Camacho Tapia
  • Luis Alfonso Aguilar-Pérez
  • Elvis García-López
  • Juan Manuel Tovar-Pedraza

DOI:

https://doi.org/10.29312/remexca.v9i1.863

Keywords:

Fusarium oxysporum, Stevia rebaudiana, etiology, fungi

Abstract

The wilting of stevia plants (Stevia rebaudiana Bertoni) is one of the most important phytosanitary problems in the production area of Veracruz. The objective of this study was to identify the causal agent of wilt symptoms in stevia plants in a plantation located in Martinez of the Torre, in the state of Veracruz, Mexico. In 2015, Stevia plants were observed and collected with symptoms of root rot, basal stem necrosis and wilting. From the samples, Fusarium fungal colonies were continuously obtained. For the identification of the fungus, a morphological characterization and sequence analysis of the region of the transcribed internal spacer (ITS) and of the partial sequence of the gene of elongation factor 1-alpha (EF1-α) were performed. In addition, the pathogenicity of a representative isolate of Fusarium in stevia plants was verified. The results of the morphological characterization, analysis of ITS and EF1-α sequences, as well as the pathogenicity tests, determined that Fusarium oxysporum is the causal agent of the wilt symptoms of stevia plants in Martinez of the Torre, Veracruz.

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Published

2018-02-06

How to Cite

Leyva-Mir, Santos Gerardo, Jennifer Dulce Gutiérrez-Salazar, Moisés Camacho Tapia, Luis Alfonso Aguilar-Pérez, Elvis García-López, and Juan Manuel Tovar-Pedraza. 2018. “Fusarium Oxysporum, Causal Agent of Stevia Wilt in Veracruz, Mexico”. Revista Mexicana De Ciencias Agrícolas 9 (1). México, ME:245-50. https://doi.org/10.29312/remexca.v9i1.863.

Issue

Vol. 9 No. 1 (2018)

Section

Investigation notes

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