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International Journal of Environmental Studies Volume 81, 2024 - Issue 3
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Research Article

Plant growth-promoting rhizobacteria’s (PGPR) effects on Medicago sativa growth, arbuscular mycorrhizal colonisation, and soil enzyme activities

Nabil TirryLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, MoroccoORCID Iconhttps://orcid.org/0000-0002-6127-2857
ORCID Icon,
Mohamed FeriounLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Aziza KouchouLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Ghizlan LaghmariLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Meryem AsriLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Ilham ZouitaneLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Wifak BahafidLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
,
Bouchra El OmariLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, Morocco
&
Naïma El GhachtouliLaboratory of Microbial Biotechnology and Bioactive Molecules, Sciences and Technology Faculty, Sidi Mohamed Ben Abdellah University, Fez, MoroccoCorrespondence[email protected]
 show all
Pages 1190-1208 | Published online: 31 May 2023
 
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ABSTRACT

Plant growth-promoting rhizobacteria (PGPR) can ameliorate soil fertility and boost crop yields. This paper reports a study of the effect of PGPR inoculation on Medicago sativa plants. Sixteen indigenous PGPR were isolated and screened for PGP traits. Their influence was assessed on the growth of M. sativa plants, root colonisation by arbuscular mycorrhizal fungi (AMF), and soil enzyme activities (SEA). The bacterial isolates showed interesting PGP traits. They increased the plant’s shoot and root dry weights, AM colonisation, and SEA. Two bacteria assigned to Pseudomonas koreensis and Alcaligenes faecalis were selected as effective inoculants for M. sativa plants. These PGPR may represent suitable candidates as bio-enhancers and biofertilizers in sustainable agricultural systems.

Disclosure statement

No potential conflict of interest was reported by the author(s).

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