Development of a defined compost system for the study of plant-microbe interactions

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dc.contributor.authorMasters-Clark, Emily
dc.contributor.authorShone, E.
dc.contributor.authorParadelo, M.
dc.contributor.authorHirsch, Penny R.
dc.contributor.authorClark, Ian M.
dc.contributor.authorOtten, Wilfred
dc.contributor.authorBrennan, Feargal P.
dc.contributor.authorMauchline, T. H.
dc.date.accessioned2020-05-29T10:34:53Z
dc.date.available2020-05-29T10:34:53Z
dc.date.issued2020-05-05
dc.description.abstractPlant growth promoting rhizobacteria can improve plant health by providing enhanced nutrition, disease suppression and abiotic stress resistance, and have potential to contribute to sustainable agriculture. We have developed a sphagnum peat-based compost platform for investigating plant-microbe interactions. The chemical, physical and biological status of the system can be manipulated to understand the relative importance of these factors for plant health, demonstrated using three case studies: 1. Nutrient depleted compost retained its structure, but plants grown in this medium were severely stunted in growth due to removal of essential soluble nutrients - particularly, nitrogen, phosphorus and potassium. Compost nutrient status was replenished with the addition of selected soluble nutrients, validated by plant biomass; 2. When comparing milled and unmilled compost, we found nutrient status to be more important than matrix structure for plant growth; 3. In compost deficient in soluble P, supplemented with an insoluble inorganic form of P (Ca3(PO4)2), application of a phosphate solubilising Pseudomonas strain to plant roots provides a significant growth boost when compared with a Pseudomonas strain incapable of solubilising Ca3(PO4)2. Our findings show that the compost system can be manipulated to impose biotic and abiotic stresses for testing how microbial inoculants influence plant growth.en_UK
dc.identifier.citationMasters-Clark E, Shone E, Paradelo M, et al., (2020) Development of a defined compost system for the study of plant-microbe interactions, Scientific Reports, Volume 10, Article number 7521en_UK
dc.identifier.issn2045-2322
dc.identifier.urihttps://doi.org/10.1038/s41598-020-64249-0
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/15462
dc.language.isoenen_UK
dc.publisherNature Publishing Groupen_UK
dc.rightsAttribution 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleDevelopment of a defined compost system for the study of plant-microbe interactionsen_UK
dc.typeArticleen_UK

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