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Launch of the project CABiosE: Comparative Analyses of Biostimulant Effects on Tomato Crop

hal.structure.identifierVivagro
dc.contributor.authorHONORÉ, Marine
hal.structure.identifierPlateforme Bordeaux Metabolome
hal.structure.identifierBiologie du fruit et pathologie [BFP]
hal.structure.identifierUniversité de Bordeaux [UB]
dc.contributor.authorCABASSON, Cecile
hal.structure.identifierVivagro
dc.contributor.authorJOLY, Pierre
dc.date.accessioned2025-07-29T02:03:26Z
dc.date.available2025-07-29T02:03:26Z
dc.date.conference2024-06-12
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/207390
dc.description.abstractEnThe aim of the project is to study the response mechanisms induced by biostimulants on tomato plants under controlled conditions and production conditions. In particular, the objective is to determine the direct contribution of biostimulants on plants and their indirect contribution, through the variations in rhizosphere and phyllosphere microbiota.We planned a three-stage approach: Product –Soil – Species. The product approach aims at screening the most effective products for biostimulation in tomato under water stress. Biosolutions of various natures are tested: algae extract, vegetal extract, mineral. The soil approach is designed to assess whether selected biostimulants at the end of the screening influence the microbiota of various types of soil (natural, artificial). The species approach will enable us to conclude if the biostimulants effects can be generalized on different crops.In 2024, we set up an experiment on tomato crop under water stress conditions (n=500). Sevenbiostimulants are tested with two foliar applications, from the 4-6 leaf stage and at 7 days of interval. The stress is applied two weeks after the first treatment. We are carrying out observations and phenotypic measurements at ten time points until fruit production. We also take samples of leaves and roots for metabolomic analysis. This trial is conducted in semi-controlled condition, in a greenhouse. Then, at the end of 2024, the study of the biostimulant effects on plants and plant microbiota will be performed in controlled condition (in vitro and in a growth chamber). We are considering metabolomic investigations combined with metagenomic to assess the influence of selected biostimulants on the phyllosphere and rhizosphere microbiota communities and their functions.Thanks to this project we hope to gain insights into the mechanisms by which plants develop resilience to abiotic stress in response to biostimulant applications directly and on the indirect contribution via the microbiota.
dc.language.isoen
dc.rights.urihttp://creativecommons.org/licenses/by/
dc.subject.enTomato
dc.subject.enBiostimulant
dc.subject.enMicrobiota
dc.title.enLaunch of the project CABiosE: Comparative Analyses of Biostimulant Effects on Tomato Crop
dc.typeAutre communication scientifique (congrès sans actes - poster - séminaire...)
dc.subject.halSciences du Vivant [q-bio]/Sciences agricoles/Agronomie
bordeaux.hal.laboratoriesBiologie du Fruit & Pathologie (BFP) - UMR 1332*
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionINRAE
bordeaux.conference.title14th international conference of French Society of Plant Biology
bordeaux.countryFR
bordeaux.conference.cityBordeaux
bordeaux.peerReviewedoui
hal.identifierhal-05190219
hal.version1
hal.invitednon
hal.proceedingsnon
hal.conference.organizerFrench Society of Plant Biology
hal.conference.end2024-06-14
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-05190219v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=HONOR%C3%89,%20Marine&CABASSON,%20Cecile&JOLY,%20Pierre&rft.genre=conference


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