Abstract

MAGOS-GARCIA, Kesia; LEYVA-MIR, Santos Gerardo  and  MARISCAL-AMARO, Luis Antonio. Etiology of Hybrid Lily (Lilium Spp.) Bulb and Stem Rot and its Control in the State of Mexico. Rev. mex. fitopatol [online]. 2010, vol.28, n.2, pp.162-164. ISSN 2007-8080.

The bulb and stem rot of hybrid lily (Lilium spp.) is a disease that recently appeared in Xocotlán, Texcoco, Mexico State, which is characterized by necrosis upwardly; it causes the premature death of plants, as well as 50% loss in production. A gene sequence of 562 base pairs (bp) was obtained throughout morphological characterization of the pathogen and PCR, plus rDNA ITS region amplification, indicating that the causal agent was Fusarium oxysporum Schelecht. Emend. Snyd & Hans. The biological efficacy of three chemical and biological fungicides in greenhouse was evaluated, observing that the best products to control the fungus were Prochloraz (SPORTAK®) and Trichoderma harzianum with an 89% and 82% efficiency, respectively.

Keywords : necrosis; Lilium spp.; Fusarium oxysporum.

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