4.7 Article

The Use of Plant Growth Promoting Rhizobacteria to Reduce Greenhouse Gases in Strawberry Cultivation under Different Soil Moisture Conditions

Journal

AGRONOMY-BASEL
Volume 13, Issue 3, Pages -

Publisher

MDPI
DOI: 10.3390/agronomy13030754

Keywords

greenhouse gases; plant-growth-promoting rhizobacteria; strawberry; water deficit

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One of the main causes of climate change is agriculture, which emits greenhouse gases (GHGs) through plant production. However, this study found that the application of beneficial plant growth-promoting rhizobacteria (PGPRs) in strawberry cultivation can help limit GHG emissions. By experimenting with different bacterial strains and moisture conditions, five strains were identified as having the potential to reduce GHG emissions. Therefore, the application of these bacterial strains can be an effective strategy for mitigating climate change.
One of the main causes of climate change is the emission of GHGs, and one of the sources for the generation of such gasses is agriculture via plant production. Considering the foregoing, a study was conducted to assess PGPRs in strawberry cultivation which were able to limit GHG emissions. The first experimental factor was the inoculation of plant roots with the Bacillus sp. strains DLGB3, DKB26, DKB58, and DKB 84; the Pantoea sp. strains DKB63, DKB64, DKB65, and DKB68; Azotobacter sp. AJ 1.2; and Pseudomonas sp. PJ 1.1. The second experimental factor constituted the different moisture levels of the growth substrate. In the experiment, emissions of NH3, CO2, N2O, and CH4 were measured. In light of the conducted research, five strains were selected (Azotobacter sp. AJ 1.2; Pantoea sp. DKB64, DKB63, and DKB68; and Pseudomonas sp. strain PJ 1.1) that showed the greatest potential for reducing GHG emissions depending on the prevailing environmental conditions. The application of the tested bacterial strains under different moisture conditions in the substrate either reduced or did not affect GWP. This research on PGPR, which was conducted to select strains of rhizosphere bacteria that would be able to reduce GHG emissions, may form the basis for creating an inoculum and can be employed as an effective strategy for mitigating certain abiotic stresses.

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