ArticleArchives of microbiology2021
Response of intercropped barley and fenugreek to mono- and co-inoculation with Sinorhizobium meliloti F42 and Variovorax paradoxus F310 under contrasting agroclimatic regions.
Article in Archives of microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 17 citations in OpenAlex.
- Potato foliar infection with Phytophthora infestans drives strong, cultivar-specific shifts in rhizosphere communities.Environmental microbiome · 2026Article
- Bioinoculants as a means of increasing crop tolerance to drought and phosphorus deficiency in legume-cereal intercropping systems.Communications biology · 2023Review
- Nodulation and Growth Promotion of Chickpea byMicroorganisms · 2022Article
- Genetic diversity of rhizobia isolated from nodules of Trigonella foenum-graecum L. (fenugreek) cultivated in Northwestern Morocco.Archives of microbiology · 2022Article
- Comparative Metagenomic Study of Rhizospheric and Bulk Mercury-Contaminated Soils in the Mining District of Almadén.Frontiers in microbiology · 2022Article
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Authors and funding
7 authors at 3 institutions in 1 country.
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Abstract
In the present research, we aimed to select efficient rhizobia and plant growth-promoting rhizobacteria (PGPR) from fenugreek nodules and assess their performance as bio-inoculum for intercropped fenugreek and barley. Inoculation effects with selected bacteria were investigated firstly on fenugreek plants under greenhouse experiment and secondly on intercropped fenugreek and barley under three different agro-environmental conditions for two consecutive years. Sinorhizobium meliloti F42 was selected due to its ability to nodulate fenugreek and effectively improve plant growth. Among non-nodulating endophytic bacteria, Variovorax paradoxus F310 strain was selected regarding its plant growth-promoting traits showed in vitro and confirmed in vivo under greenhouse experiment. Field inoculation trials revealed a significant improvement in fenugreek nodulation (up to + 97%) as well as in soil enzymes activities (up to + 209%), shoot N content (up to + 18%), shoot dry weight (up to + 40%), photosynthetic assimilation (up to + 34%) and chlorophyll content of both intercropped plants in response to the mono-inoculation with Sinorhizobium meliloti F42, compared to the un-inoculated treatment at the SBR and JBS sites. Variovorax paradoxus F310 inoculation significantly increased shoot P content of both intercropped plants at the three experimental sites compared to the un-inoculated treatment (up to + 48%). It was shown that bacterial inoculation was more efficient at the low-rainfall region than the high-rainfall region. The co-inoculation with Sinorhizobium meliloti F42 and Variovorax paradoxus F310 resulted in a significant reduction in fenugreek nodulation and shoot N content. This survey showed the benefits of rhizobial and PGPR inoculation as efficient bio-inoculums to promote the cereal-legume intercropping system and highlights the influence of site-specific environmental factors on Rhizobium-PGPR-plant interactions.
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