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Phyton (Buenos Aires)
versión On-line ISSN 1851-5657
Resumen
OCAMPO OCAMPO, T et al. First report of Tobacco mosaic virus (TMV) and Poinsettia mosaic virus (PnMV) in poinsettia (Euphorbia pulcherrima Willd. Ex Klotzch) in Mexico. Phyton (B. Aires) [online]. 2013, vol.82, n.2, pp.235-241. ISSN 1851-5657.
The Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP), in Zacatepec Morelos, started a genetic improvement program of wild and semi-cultivated poinsettia plants ("nochebuena de sol"). It is important to generate a phytosanitary database that allows the release of new varieties and hybrids that provide tolerance to the major pathogens reported in cultivated poinsettia plants. The phytosanitary status of the "nochebuena de sol" plants is not available in Mexico, so the objective of this research was to generate preliminary data about viruses associated to these materials. Based on DAS-ELISA and RT-PCR results, we reported the presence of the Tobacco mosaic virus (TMV) and Poinsettia mosaic virus (PnMV) in wild and semi-cultivated poinsettia plants for the first time in Mexico.
Palabras clave : Wild poinsettia; Semi-cultivated poinsettia; Virus; DAS-ELISA; RT-PCR.