Induced systemic resistance against Botrytis cinerea by Micromonospora strains isolated from root nodules.

ABSTRACT: Micromonospora is a Gram positive bacterium that can be isolated from nitrogen fixing nodules from healthy leguminous plants, where they could be beneficial to the plant. Their plant growth promoting activity in legume and non-legume plants has been previously demonstrated. The present study explores the ability of Micromonospora strains to control fungal pathogens and to stimulate plant immunity. Micromonospora strains isolated from surface sterilized nodules of alfalfa showed in vitro antifungal activity against several pathogenic fungi. Moreover, root inoculation of tomato plants with these Micromonospora strains effectively reduced leaf infection by the fungal pathogen Botrytis cinerea, despite spatial separation between both microorganisms. This induced systemic resistance, confirmed

SUBMITTER: Martinez-Hidalgo P 

PROVIDER: S-EPMC4556977 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature