Rhizosphere-competent actinobacterial consortium alleviates salinity stress in tomato through plant growth-promoting traits and ACC deaminase activity.

ABSTRACT: Actinobacterial strains obtained from the rhizosphere of tomato (Solanum lycopersicum) plants were evaluated for their production of 1-aminocyclopropane-1-carboxylic acid (ACC) deaminase (ACCD) and plant growth regulators (PGRs). Here, we aimed to determine the effects of rhizosphere-competent (RC) and non-rhizosphere-competent (NRC) consortia on tomato growth under salt stress (200 mM NaCl) by assessing morphological, physiological, and biochemical mechanisms. Our greenhouse experiments revealed that inoculation with actinobacterial consortia significantly increased the length and biomass of shoots and roots compared to control plants; however, RC consortium demonstrated overall greater plant growth promotion efficacy, including higher biomass accumulation and improved root-shoot developm

SUBMITTER: Almazrouei LM 

PROVIDER: S-EPMC12548128 | biostudies-literature | 2025 Oct

REPOSITORIES: biostudies-literature