Plant growth promotion assays in Eucalyptus grandis mediated by beneficial bacteria

AMODEO, G.; PIECKENSTAIN, F.; GUDESBLAT, G.; ESTRELLA, J.; CHAIN, J. M.; BAROLI, I.; TUBERT, E.

Buenos Aires

Congreso; Reunión Conjunta de Sociedades de Biociencias; 2017

Sociedad Argentina de Investigaciones Bioquímicas y Biología Molecular

Eucalyptus grandis is one of the most commercially important forest tree species in Argentina. Outplanting of greenhouse-grown E. grandis seedlings to the field is a critical step, since the availability of water and nutrients in the immediate vicinity of the rhizosphere determines the survival and health of individuals. Plant-growth promoting bacteria (PGPB) are used in many crops to improve nutrition and tolerance to abiotic stress, however their use in trees is very limited, in part due to difficulties in application. Superabsorbent hydrophilic polymers (SAP) are used in forestry to alleviate water stress during seedling establishment[1, 2] and can also be used as carriers for PGPB. The aim of this work was to explore the beneficial effects of inoculating PGPB in roots, using a SAP as a carrier under different abiotic stress conditions.