{"id":15848,"date":"2026-06-20T12:47:23","date_gmt":"2026-06-20T12:47:23","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/using-r-seed-health-interventions-and-risk-based-surveillance-and-mitigation-strategies\/"},"modified":"2026-06-29T20:27:47","modified_gmt":"2026-06-29T20:27:47","slug":"using-r-seed-health-interventions-and-risk-based-surveillance-and-mitigation-strategies","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/using-r-seed-health-interventions-and-risk-based-surveillance-and-mitigation-strategies\/","title":{"rendered":"Utilisation de R : Interventions pour la sant\u00e9 des semences et strat\u00e9gies de surveillance et d'att\u00e9nuation fond\u00e9es sur les risques"},"content":{"rendered":"Un atelier international sur l'utilisation des packages R pour la sant\u00e9 des semences s'est tenu le 18 mars au\u00a0IITA<\/span><\/a>\u00a0si\u00e8ge social \u00e0 Ibadan, au Nigeria.\u00a0Professeure Karen Garrett<\/a>\u00a0de\u00a0Universit\u00e9 de Floride<\/a>, de Gainesville, a organis\u00e9 l'atelier dans le cadre du groupe de syst\u00e8mes de semences RTB CC2.1, qui a compt\u00e9 la participation de 20 personnes repr\u00e9sentant huit pays, et a \u00e9t\u00e9 co-anim\u00e9 par les doctorants Kelsey Andersen et James Fulton.\n
\n\n\"\"\n

Participants de la r\u00e9union sur une photo de groupe<\/em><\/p>\n\n<\/div>\nApr\u00e8s qu'Andersen a introduit l'utilisation de R, l'\u00e9quipe a pr\u00e9sent\u00e9 le paquet R seed Health, qui fournit une analyse de sc\u00e9narios pour \u00e9valuer les r\u00e9sultats des strat\u00e9gies int\u00e9gr\u00e9es de sant\u00e9 des semences. Ce programme a \u00e9t\u00e9 construit sur les analyses et le code d'une \u00e9tude intitul\u00e9e \u201c Cadre d'\u00e9valuation des risques pour la d\u00e9g\u00e9n\u00e9rescence des semences : informer une strat\u00e9gie int\u00e9gr\u00e9e de sant\u00e9 des semences pour les cultures \u00e0 propagation v\u00e9g\u00e9tative \u201d (lien en libre acc\u00e8s vers l'article \u00e0\u00a0https:\/\/apsjournals.apsnet.org\/doi\/10.1094\/PHYTO-09-16-0340-R<\/u><\/a>)<\/a>.Le deuxi\u00e8me paquet concernait l'analyse des r\u00e9seaux d'impact (INA), con\u00e7ue pour aborder de multiples aspects des r\u00e9seaux socio-\u00e9conomiques li\u00e9s (propagation d'id\u00e9es, d'argent, d'influence, etc.) et des r\u00e9seaux biophysiques (propagation de nouvelles vari\u00e9t\u00e9s, de semences certifi\u00e9es, d'agents pathog\u00e8nes, de ravageurs, etc.). (Publications en libre acc\u00e8s sur https:\/\/apsjournals.apsnet.org\/doi\/full\/10.1094\/PHYTO-03-17-0108-FI et\u00a0https:\/\/apsjournals.apsnet.org\/doi\/10.1094\/PHYTO-03-18-0072-R<\/u><\/a>Des strat\u00e9gies de surveillance fond\u00e9es sur les risques ont \u00e9t\u00e9 utilis\u00e9es comme exemple pour employer l'INA afin d'identifier les meilleurs emplacements dans un r\u00e9seau pour l'\u00e9chantillonnage afin de d\u00e9tecter rapidement un agent pathog\u00e8ne en propagation ou une nouvelle vari\u00e9t\u00e9 ou technologie en propagation. \u201c Un n\u0153ud est meilleur pour l'\u00e9chantillonnage si l'agent pathog\u00e8ne est susceptible d'\u00eatre d\u00e9tect\u00e9 \u00e0 ce n\u0153ud avant qu'il ne se soit propag\u00e9 tr\u00e8s loin dans le r\u00e9seau \u201d, a d\u00e9clar\u00e9 le prof. Garrett. Par exemple, un n\u0153ud isol\u00e9 serait un mauvais choix d'\u00e9chantillonnage car l'agent pathog\u00e8ne pourrait se propager largement avant d'atteindre le n\u0153ud isol\u00e9.\n\nLes fonctions de cette analyse peuvent \u00e9galement prendre en compte des informations sur les endroits o\u00f9 l'agent pathog\u00e8ne est le plus susceptible de p\u00e9n\u00e9trer dans le r\u00e9seau pour pr\u00e9dire les \u00e9pid\u00e9mies. Par exemple, les n\u0153uds pour lesquels peu d'informations sont disponibles par le biais des r\u00e9seaux de communication peuvent \u00eatre plus susceptibles d'\u00eatre vuln\u00e9rables et de constituer des points d'entr\u00e9e pour les agents pathog\u00e8nes.\n\nLava Kumar<\/a>, responsable des unit\u00e9s de virologie et de sant\u00e9 du germoplasme, a remerci\u00e9 le Professeur Garrett et son \u00e9quipe d'avoir fait d\u00e9couvrir aux participants de l'atelier, dont beaucoup sont des doctorants, les paquets R et leur importance pour les recherches en cours sur la lutte contre les maladies virales \u00e9mergentes, les programmes de surveillance des maladies et les interventions sur les syst\u00e8mes semenciers visant \u00e0 att\u00e9nuer l'impact des maladies transmises par les semences.\n\nL'atelier a \u00e9t\u00e9 soutenu par le\u00a0Programme de recherche du CGIAR sur les racines, les tubercules et les bananes<\/a>\u00a0(CRP-RTB).","protected":false},"excerpt":{"rendered":"

An international workshop on using R packages for Seed Health was held on 18 March at the IITA headquarters in Ibadan, Nigeria.<\/p>","protected":false},"featured_media":15849,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[1529],"science-area":[],"program":[],"location":[32],"news-type":[],"hub":[61],"crop":[],"impact-areas":[],"item-year":[197],"class_list":["post-15848","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","tag-crp-rtbiita-news-no-2481inalava-kumar","location-nigeria","hub-western-africa","item-year-197"],"yoast_head":"\nUsing R: Seed health interventions and risk-based surveillance and mitigation strategies - 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