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Revista argentina de microbiología

Print version ISSN 0325-7541


COLOMBO, Roxana P et al. Efecto diferencial de dos cepas de Rhizophagus intraradices sobre la biomasa y el rendimiento y composición de aceites esenciales de Calamintha nepeta. Rev. argent. microbiol. [online]. 2013, vol.45, n.2, pp.114-118. ISSN 0325-7541.

The aim of this work was to determine the effects of two geographically different strains of Rhizophagus intraradices (M3 and GA5) on the total biomass and essential oil (EO) yield and composition of Calamintha nepeta, with or without phosphorus (P) fertilization, under greenhouse conditions.The plant biomass was not significantly affected by any of the treatments, showing higher values in control plants. Strains had a differential response in their root colonization rates: M3 reduced these parameters while GA5 did not modify them. Both strains affected EO yield in absence of P fertilization: M3 promoted EO yield in C. nepeta plants and GA5 resulted in negative effects. The percentage composition of EO was not significantly modified by either strain or P fertilization. M3 strain could be a potential fungal bioinoculant for production and commercialization of C. nepeta in the aromatic plant market.

Keywords : Simbiosis micorrícica arbuscular; Calamintha nepeta; Rendimiento de aceites esenciales; Composición de aceites esenciales.

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