ISOLAMENTO DE RIZOBACTÉRIAS PROMOTORAS DO CRESCIMENTO DE PLANTAS (RPCP) EM CANA-DE-AÇÚCAR

Abstract

Plants are attacked by fungal pathogens that cause disease, so biological control is a sustainable alternative to the traditional use of agrochemicals. The objective of this work is to select bacteria with antagonistic potential against phytopathogenic fungi obtained from sugarcane rhizosphere. Rhizobacteria are soil bacteria that provide benefits in soil quality, inhabit the rhizosphere region of plant roots and can promote plant growth through direct mechanisms, such as the production of phytohormones, and indirect mechanisms such as the biocontrol of phytopathogens. These micro-organisms have essential functions for the conservation of fertility in the soil and for the growth of healthy plants. The objective of this project was to isolate rhizobacteria from sugarcane roots with functional traits to promote plant growth. The microorganisms were collected from the soil aggregated to sugarcane roots at CRV Industrial. It were foudnd plant growth-promoting rhizobacteria with great biotechnological potential, which, in addition to reducing production costs, also might contribute to the sustainability of crops.

Keywords: Rhizobacteria; Rhizosphere; Sugar cane; Plant growth.