{"id":12869,"date":"2025-08-04T15:02:15","date_gmt":"2025-08-04T13:02:15","guid":{"rendered":"https:\/\/www.purpan.fr\/research\/our-teaching-and-research-departments\/_-_\/"},"modified":"2025-10-30T14:01:33","modified_gmt":"2025-10-30T13:01:33","slug":"plant-sciences-gronomy","status":"publish","type":"page","link":"https:\/\/www.purpan.fr\/en\/research\/our-teaching-and-research-departments\/plant-sciences-gronomy\/","title":{"rendered":"Plant Sciences and Agronomy Department"},"content":{"rendered":"\n<div class=\"wp-block-getwid-section\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\">In the context of adapting to climate change, the department\u2019s mission is to use <strong>agro-physiological approaches to support agro-ecological transition.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The research areas of the Plant Sciences and Agronomy Department are:<br><strong>Area 1: Innovative cropping systems<br>Area 2: Pathology and integrated protection <br>Area 3: Specialized plant metabolites<\/strong><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"anchor-summary\" style=\")\">\n    <div>\n        <strong>Summary<\/strong>\n        \n        <ul id=\"anchor-summary__list\">\n            \n        <\/ul>\n    <\/div>\n<\/div><\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section has-background-color-green has-height-undefined\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h2 class=\"wp-block-heading\">Area 1: Innovative cropping systems<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<details class=\"wp-block-details has-blanc-color has-text-color has-link-color wp-elements-0f80ad0cd96aa79c270ddb0a9e54e4aa is-layout-flow wp-block-details-is-layout-flow\"><summary>Research questions<\/summary>\n<p class=\"wp-block-paragraph\">In the context of irrigated corn growing, how does diversification of cropping systems improve multi-criteria performance and sustainability in the face of climate change?<br>The role of plant-environment-rhizosphere interactions: which root trait(s)?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">How does soil limit agricultural production and ecosystem services? What levers of action?<br><em>Physical state<\/em><br><em>Chemical properties<\/em><br><em>Organic and inorganic carbon input<\/em><br><em>Organic matter cycle<\/em><\/p>\n<\/details>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-blanc-color has-text-color has-link-color wp-elements-9754aa7995a7e51267c90576ca0fb52f is-layout-flow wp-block-details-is-layout-flow\"><summary>Major results<\/summary>\n<p class=\"wp-block-paragraph\">\u2022 Possibility of maintaining socio-economic performance by reducing the negative environmental impacts of cropping systems<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Weeds are not solely responsible for yield loss &#8211; questioning the zero-weed paradigm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Development of soil organic matter and soil improver quality indicators<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Influence of soil compaction as a limiting factor<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Influence of methanization on the carbon cycle in soils and on their physical, chemical and biological properties.<\/p>\n<\/details>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-blanc-color has-text-color has-link-color wp-elements-cea90816adf46476a00177c7d7456863 is-layout-flow wp-block-details-is-layout-flow\"><summary>Key publications<\/summary>\n<p class=\"wp-block-paragraph\">Mirleau-Thebaud V, <em>et al.<\/em> (2017) Growth kinetics at early stages of sunflower (<em>Helianthus&nbsp;annuus&nbsp;<\/em>L.) under soil compaction. Journal of Plant Nutrition. 2017. 40:17, 2494-2510<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e9ghin-Tanneau R.&nbsp;<em>et al.<\/em>&nbsp;(2019) Carbon sequestration in soil amended with anaerobic digested matter. Soil and Tillage Research 192, 87\u201394.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Giuliano S&nbsp;<em>et al.&nbsp;<\/em>(2021) Reducing herbicide use and leaching in agronomically performant maize-based cropping systems: An 8-year study. Sci of Tot Envi 788, 147695<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dayoub E.&nbsp;<em>et al.&nbsp;<\/em>(2021) Early-Stage phenotyping of root traits provides insights into the drought tolerance level of soybean cultivars. Agronomy. 2021, 11(1), 188<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dayoub E. <em>et al<\/em>. (2022) Genotypic differences in root traits to design drought-avoiding soybean ideotypes. OCL 29, 26. https:\/\/doi.org\/10.1051\/ocl\/2022021.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Deremetz V.&nbsp;<em>et al.&nbsp;<\/em>(2023). Les relations adventices-culture sont-elles diff\u00e9rentes dans des syst\u00e8mes de culture alternatifs \u00e0 la monoculture de ma\u00efs conventionnelle&nbsp;? V\u00e9g\u00e9phyl, 25<sup>\u00e8me<\/sup>&nbsp;conf\u00e9rence du COLUMA, Journ\u00e9es internationales de lutte contre les mauvaises herbes, Orl\u00e9ans, d\u00e9cembre<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pilet L. et al. (2024). First report of Fusarium oxysporum causing damping\u2010off on Datura stramonium in France. New Disease Reports. 50(2):pp.e12309<\/p>\n<\/details>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-1024x768.jpg\" alt=\"\" class=\"wp-image-12812\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-1024x768.jpg 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-300x225.jpg 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-768x576.jpg 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-1536x1152.jpg 1536w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/07\/DJI_0770-2048x1536.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section has-background-color-yellow has-height-undefined\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h2 class=\"wp-block-heading\">Area 2: Integrated pathology and protection<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-1024x819.png\" alt=\"\" class=\"wp-image-8344\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-1024x819.png 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-300x240.png 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-768x614.png 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-1536x1229.png 1536w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Pathologie-et-protections-integrees_vigne-2048x1638.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-412a03d3170a347aa439d1c85bc037ac is-layout-flow wp-block-details-is-layout-flow\"><summary>Research questions<\/summary>\n<p class=\"wp-block-paragraph\">How can farming practices reduce pest pressure and associated damage?<br><em>Biocontrol<\/em><br><em>Multi-Service Cover Crops (MSCCs)<\/em><br><em>Qualitative systems modeling<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What are the tissue, cellular and molecular bases of the vine in response to biotic stresses?<br><em>Roles in defense (esca)<\/em><br><em>Understanding how alternative solutions to pesticides work at molecular level (biocontrol, TOA)<\/em><\/p>\n<\/details>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-a963ac67a8beb7dba98947f9beef5a12 is-layout-flow wp-block-details-is-layout-flow\"><summary>Major results<\/summary>\n<p class=\"wp-block-paragraph\">\u2022 Systemic model that takes into account all the agrosystem factors involved in damage (wheat, sunflower, vines, etc.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Introduction of brassica MSCCs to control the development of telluric pathogens<em>(Verticillium dahliae <\/em>and <em>Orobanche cumana)<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Analysis of early responses: wood is able to distinguish between the pathogens associated with grapevine esca and adapt its response at molecular level<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Modulation of defenses by biocontrol tools Development of a cellular perception model<\/p>\n<\/details>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-d6fff019a794341e0929033cdc8642e5 is-layout-flow wp-block-details-is-layout-flow\"><summary>Key publications<\/summary>\n<p class=\"wp-block-paragraph\">Robin M.H.,&nbsp;<em>et al.&nbsp;<\/em>(2013). Injury Profile SIMulator, a hierarchical aggregative modelling framework to predict an injury profile as a function of cropping practices,and abiotic and biotic environment. II. Proof of concept: design and evaluation of IPSIM-Wheat-Eyespot, a model that predicts eyespot injuries on winter wheat.&nbsp; PLoS ONE 8, Issue 10, e75829.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Romeo-Oliv\u00e1n A.&nbsp;<em>et al.<\/em>&nbsp;(2022) Comparative transcriptomics suggests early modifications on hormonal signaling and secondary metabolism biosynthesis in response to&nbsp;<em>Phaeomoniella&nbsp;chlamydospora<\/em>&nbsp;and&nbsp;<em>Phaeoacremonium&nbsp;minimum<\/em>&nbsp;by the Vintec\u00ae in grapevine trunk. Frontiers in Microbiology 13:835463.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Romeo-Oliv\u00e1n A.&nbsp;<em>et al.<\/em>&nbsp;(2024) Deciphering transcriptomic and metabolomic wood responses to grapevine trunk diseases associated fungi. Phytofrontiers&nbsp;<em>4:553-566<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Melotto M. <em>et al.<\/em> (2024) Fighting for Survival at the Stomatal Gate. Annual Review of Plant Biology 75:551-5577<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rakotoniaina, N.F. <em>et al.<\/em> (2025) Stomatal Movement Examination: A New Model to Reveal Interactions Between Grapevine and <em>Phaeomoniella chlamydospora<\/em>, an Esca-Associated Pathogen. J Plant Growth Regul. 44:4908-4916<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wojciechowski&nbsp;A.,&nbsp;Seassau&nbsp;C.,&nbsp;Alletto&nbsp;L.,&nbsp;Lamichhane J-R, 2025. Seedling emergence vigor, establishment success, and biomass yield stability of cover crop mixtures compared to pure stands. Field Crop Research, 335. <a href=\"https:\/\/eur03.safelinks.protection.outlook.com\/?url=https%3A%2F%2Fdoi.org%2F10.1016%2Fj.fcr.2025.110165&amp;data=05%7C02%7Cperrine.ouvrard%40purpan.fr%7Cb073797c85214912e7be08de0af9cb9c%7C64b2945601264bafa07fec7eee1b1604%7C0%7C0%7C638960265145053938%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&amp;sdata=w%2B2NnaANtMeRelseJFRBg9QKmo6M9cVu2HDjoMasp%2Fs%3D&amp;reserved=0\">https:\/\/doi.org\/10.1016\/j.fcr.2025.110165<\/a><\/p>\n<\/details>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-1fb8ddce566e04bc807b7812186539fd is-layout-flow wp-block-details-is-layout-flow\"><summary>Brevet<\/summary>\n<p class=\"wp-block-paragraph\">Seassau C. <em>et al.<\/em> (2024). Biocontrol liquid product, process of obtention and uses thereof (Brevet europ\u00e9en n\u00b0 FR 22306493.2). Institut national de la propri\u00e9t\u00e9 industrielle (INPI).<\/p>\n<\/details>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h2 class=\"wp-block-heading\">Area 3: Specialized plant metabolites<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-76961d133e843f881f795e680da2be8e is-layout-flow wp-block-details-is-layout-flow\"><summary>Research questions<\/summary>\n<p class=\"wp-block-paragraph\"><strong><em>The benefits of specialized metabolites for plants and humans<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">What are the genetic and environmental bases underlying the qualitative and quantitative accumulation of specialized metabolites?<br><em>Steviosides (in stevia)<\/em><br>Isoflavones\/saponins<em>(in soya)<\/em><br><em>Rotundone and sesquiterpenes (in grapevines)<\/em><\/p>\n<\/details>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-26f8d6dc4528c7da1a5729e28aec9bf9 is-layout-flow wp-block-details-is-layout-flow\"><summary>Major results<\/summary>\n<p class=\"wp-block-paragraph\">\u2022 Analytical innovations (chemistry and sensory)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Histology of isoflavone accumulation in the seed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Decoding stevioside biosynthetic pathways<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 New glycosylated forms of steviosides<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2022 Ecophysiological conditions conducive to rotundone accumulation (cool and humid)<\/p>\n<\/details>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<details class=\"wp-block-details has-noir-color has-text-color has-link-color wp-elements-19e9ab7b572a12bddafaff9bf3840274 is-layout-flow wp-block-details-is-layout-flow\"><summary>Key publications<\/summary>\n<p class=\"wp-block-paragraph\">Petit E.&nbsp;<em>et al.&nbsp;<\/em>(2019) UGT76G1 polymorphism in&nbsp;<em>Stevia&nbsp;rebaudiana<\/em>: New variants for steviol glycosides conjugation. Plant Physiology and Biochemistry, 135:563-569.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geffroy O.&nbsp;<em>et al.<\/em>&nbsp;(2020). May peppery wines be the spice of life? a review of research on the \u2018pepper\u2019aroma and the sesquiterpenoid rotundone. OENO One, 54(2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Baerenzung dit Baron T.&nbsp;<em>et al.<\/em>&nbsp;(2022) A novel approach to discriminate the volatilome of Vitis vinifera berries by Selected Ion Flow Tube Mass Spectrometry analysis and chemometrics.&nbsp;Food Research International, 111434<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Brustel J. <em>et al.<\/em> (2024) Nondestructive Quantification of Isoflavones in Cotyledons by Near-Infrared Spectroscopy and Potential and Limits for Sustainable Soybean Breeding. Sustainability 16(6):2436<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Geffroy O. et al. (2024) How do Syrah winemakers from two different French regions conceptualise peppery wines? OENO One, 58(1)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Paire C. <em>et al.<\/em> (2025) A novel application of the consumer rejection threshold method to the design of binary red wine blends prepared from traditional and fungus-resistant varieties. OENO One, 59(2)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contini T. <em>et al.<\/em> (2025) Classification of <em>Stevia rebaudiana<\/em> chemotypes through steviol glycosides and their identified malonyl forms by liquid chromatography coupled to high-resolution mass spectrometry analysis.&nbsp; Journal of Agricultural and Food Chemistry, <em>In press<\/em><\/p>\n<\/details>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"819\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-1024x819.png\" alt=\"\" class=\"wp-image-8342\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-1024x819.png 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-300x240.png 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-768x614.png 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-1536x1229.png 1536w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/Metabolites-specialises-des-plantes_Stevia-2048x1638.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section has-background-color-green has-height-undefined\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h2 class=\"wp-block-heading\">Some of our projects<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-blanc-color has-text-color\">DESIGN \/ ASSESSMENT OF AGRO-ecological CROP PRODUCTION SYSTEMS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Technical and economic analyses of field crop systems incorporating low input levels, long rotations, tillage, use of cover crops and integrated protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Partners<\/strong> <br>INRAe, Nata\u00efs, FNCuma<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h3 class=\"wp-block-heading has-blanc-color has-text-color\">UNDERSTANDING OF METABOLIC PATHWAYS FOR THE ACCUMULATION OF AGRO-MOLECULES OF INTEREST<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Research into selection schemes adapted to the local production of high value-added stevia varieties, varietal description, molecular markers, pollen incompatibilities.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Partners<\/strong><br><em>CNRS, <\/em>PepsiCo, Stevia Natura<\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background has-background has-blanc-background-color\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><a>Integration research units<\/a><\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.purpan.fr\/recherche\/les-unites-de-recherche-de-nos-enseignants-chercheurs\/upr-ppgv\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"686\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/PPGV-1024x686.png\" alt=\"\" class=\"wp-image-13449\" style=\"width:260px;height:auto\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/PPGV-1024x686.png 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/PPGV-300x201.png 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/PPGV-768x514.png 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/PPGV.png 1386w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/agir.toulouse.hub.inrae.fr\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"500\" height=\"194\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/AGIR.png\" alt=\"\" class=\"wp-image-13451\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/AGIR.png 500w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/AGIR-300x116.png 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><a href=\"https:\/\/lbae.univ-tlse3.fr\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img decoding=\"async\" width=\"190\" height=\"95\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2025\/10\/LBAE.png\" alt=\"\" class=\"wp-image-13453\" style=\"width:248px;height:auto\"\/><\/a><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a id=\"_msocom_1\"><\/a><\/p>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-getwid-section\"><div class=\"wp-block-getwid-section__wrapper\"><div class=\"wp-block-getwid-section__inner-wrapper\"><div class=\"wp-block-getwid-section__background-holder\"><div class=\"wp-block-getwid-section__background has-background has-blanc-background-color\"><\/div><div class=\"wp-block-getwid-section__foreground\"><\/div><\/div><div class=\"wp-block-getwid-section__content\"><div class=\"wp-block-getwid-section__inner-content\">\n<h2 class=\"wp-block-heading\">Partnerships and collaborations<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Our national academic and industrial partners<\/strong>:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"420\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1-1024x420.png\" alt=\"\" class=\"wp-image-8336\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1-1024x420.png 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1-300x123.png 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1-768x315.png 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1-1536x630.png 1536w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR2-1.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><br><strong>International collaboration:<\/strong><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"395\" src=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1-1024x395.png\" alt=\"\" class=\"wp-image-8338\" srcset=\"https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1-1024x395.png 1024w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1-300x116.png 300w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1-768x296.png 768w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1-1536x592.png 1536w, https:\/\/www.purpan.fr\/wp-content\/uploads\/2024\/07\/CAPTUR1.png 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":9697,"menu_order":134,"comment_status":"closed","ping_status":"closed","template":"","meta":{"inline_featured_image":false,"footnotes":""},"class_list":["post-12869","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/pages\/12869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/comments?post=12869"}],"version-history":[{"count":7,"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/pages\/12869\/revisions"}],"predecessor-version":[{"id":14213,"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/pages\/12869\/revisions\/14213"}],"up":[{"embeddable":true,"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/pages\/9697"}],"wp:attachment":[{"href":"https:\/\/www.purpan.fr\/en\/wp-json\/wp\/v2\/media?parent=12869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}