ArticleEnvironmental microbiome2026
Calcium phosphate-solubilizing bacteria promote growth and alleviate phosphorus deficiency in French marigold with minimal impact on the rhizosphere microbiome.
Article in Environmental microbiome, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Mechanisms and Research Progress of Phosphate-Solubilizing Microorganisms in Promoting Sustainable Crop Production.Microorganisms · 2026Review
- Functional and genomic characterization of phosphorus-solubilizing enhancement throughFrontiers in microbiology · 2026Article
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5 authors.
Funding
Abstract
backgroundPlant roots are surrounded by communities of microbes that influence plant growth, development, and disease resistance. In soilless culture, microbial diversity in root-associated communities primarily originates from the substrate, irrigation water, and applied microbial inoculants. Phosphate solubilizing bacteria (PSB) capable of mobilizing phosphate from insoluble Ca
resultsFrom 1044 isolates in the rhizobacteria collection, 14 solubilized more than 25% of the phosphorus provided in vitro. Only eight bacterial strains resulted in growth promotion benefits in planta when inoculated as a substrate drench onto marigolds grown in a peat-based substrate (pH 7.0) and fertilized with insoluble Ca
conclusionsPSB isolated from the rhizosphere of floriculture crops grown in soilless substrates promoted growth and enhanced health of marigolds grown under P limitation. They also enhanced growth under optimal or slightly basic pH, but their efficacy was not improved by the inoculant supplements evaluated in this experiment. The native microbial community in peat-based soilless substrate was resilient to PSB inoculation.
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