Abstract

MORALES-GARCIA, Yolanda E et al. Growth response of maize plantlets inoculated with Enterobacter spp., as a model for alternative agriculture. Rev. argent. microbiol. [online]. 2011, vol.43, n.4, pp.287-293. ISSN 0325-7541.

A maize rhizosphere isolate was phenotypically and genotypically characterized and identifed as Enterobacter spp. bacterium. Germinated seeds were inoculated, the plantlets were sown in vermiculite and in soil and grown under laboratory and feld conditions, respectively. The adherence, colonization and plant growth promotion capability of Enterobacter sp. UAPS03001 was evaluated in "Rojo-Criollo" maize under laboratory conditions. Twenty days after inoculation, the treated plantlets showed larger biomass than non-inoculated ones. In feld grown plants, the kernel biomass was also greater in inoculated than in non-inoculated plants. The inoculation of maize sprouts with plant growth- promoting bacteria before their sowing in the feld would be an alternative practice for achieving successful yield in temporal agriculture.

Keywords : Inoculated plantlets; PGPR; Maize; Enterobacter spp.

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