🌾 Join in on Friday, Feb 27 for a pathogens webinar with Xianming Chen (USDA) on stripe rust epidemiology and host resistance 🦠🌱 📅 7:00 PM CET / 11:00 AM MST Learn more ➡️ www.wheatinitiative.org/new-events/2... @karchuntan.bsky.social @ReemWheat.bsky.social

#Cadophora fallopiae on dead stem of Japanese knotweed (#Fallopia japonica), Rennemoulin, FR.

A new method to measure EC50 reveals cultivar-specific #fungicide resistance and very high diversity within experimental field populations of #Zymoseptoria tritici doi.org/10.1002/ps.7...

Modeling foliar infection dynamics in #wheat using a SEIR framework: effects of seed treatment and foliar fungicide under mediterranean conditions doi.org/10.3390/agro...

First webinar of our Pathogens EWG in 2026! Join Cesaree Morier-Gxyiya to give an online talk titled: Improving wheat stem rust models under climate change with updated environmental parameters. www.wheatinitiative.org/new-events/f... #WheatConnect @karchuntan.bsky.social @ReemWheat.bsky.social

#Arrhenia sp., likely A. retiruga, associated to moss colonising the same old wall (Les Clayes-sous-Bois, FR).

C’est officiel ! L'INRAE recrute : @inrae-bioger.bsky.social propose un poste permanent de chargé(e) de recherche sur l’identification de facteurs de #sensibilité des #plantes à l’infection #fongique. ➡️ Rendez-vous sur jobs.inrae.fr/concours/con... avant le 5 mars 2026 pour postuler !

Sorry! In the previous poster we had incorrect times. Corrected are:9am Calgary/5pm Berlin/2:30am Adelaide @cesaree-mg.bsky.social on Improving wheat stem rust models under climate change with updated environmental parameters. www.wheatinitiative.org/new-events/f... @ReemWheat.bsky.social

35 étudiants d’AgroParisTech exclus 15 jours après une mobilisation contre l’agro-industrie reporterre.net/35-etudiants...

The scientific committee of #JJC2026 ready for the last evening session 😉

#BIOGER aux #JJC2026 #Aussois ce fut 22 participant(e)s et 9 présentations ! Félicitations aux doctorant(e)s @inrae-bioger.bsky.social pour leur incroyable palmarès 👏 : Elza 🥇 (1er prix oral), Ulysse (3e) & Axelle (4e) / Margot 🥇 (1er prix poster), Sorélia 🥈 (2e), Illona (4e) & Clémentine (5e) !

Un petit café dos au soleil en terrasse, c'est pas mal aussi ! #JJC2026 #Aussois

#JJC2026 @wheatpath.bsky.social (@inrae-bioger.bsky.social) on #plant #biosecurity: towards the instrumentalization of threats?

Présentation aux #JJC2026 #Aussois par Fabrice Ntakirutimana de son travail postdoctoral @inrae-bioger.bsky.social #ADEPTeam : "Unveiling adaptive mechanisms of #Zymoseptoria tritici to climatic conditions"

Now published: Evaluating a landscape-scale model to forecast wheat stem rust with @metoffice.gov.uk @cimmyt.bsky.social and #EIAR 🇪🇹 Funded by @gatesfoundation.bsky.social #FCDO doi.org/10.1088/1748...

Entre deux sessions #JJC2026 #Aussois, rien de tel qu'une rando en raquettes !

Présentation aux #JJC2026 #Aussois par Ulysse Guilloteau de son travail de thèse @inrae-bioger.bsky.social #ADEPTeam : "Unravelling the genetic and agronomic determinants of host species specificity in the #Zymoseptoria tritici - #wheat pathosystem"

Présentation aux #JJC2026 #Aussois par Alicia Culot de son travail de thèse @inrae-bioger.bsky.social : "Survie locale et dynamique des populations de Puccinia graminis à l'interface entre milieux sauvages et cultivés"

Bruno Le Cam @irhs-angers.bsky.social is kicking off the #JJC2026 conference on #Mycology and #Phytopathology. 4 days of science in the scenic mountains of #Aussois!

#Phaeobotryosphaeria visci (syn. Sphaeropsis visci) infecting the berries of Viscum album (European #mistletoe) (Les Clayes-sous-Bois, FR).

Coral-spot Nectria on a dry branch (undetermined host species), maybe #Neonectria coccinea (Les Clayes-sous-Bois, FR).

RIP Francis Hallé 🥲

Puccinia tritici-golanensis, a new #wheat leaf #rust pathogen from Yonatan region of the Golan Heights, #Puccinia tritici-duri and Puccinia triticina typified, and their phylogenetic relationships doi.org/10.1007/s115...

Novel clonal lineages of wheat stem rust in the Southern Cone of South America https://www.biorxiv.org/content/10.64898/2025.12.18.695303v1

#Plant Biosecurity and Phytosanitary Regimes Under Threat from Instrumentalization Dynamics This article examines how #plant biosecurity and phytosanitary regimes are instrumentalized. Author: Frédéric Suffert Read More: spkl.io/63324Aihj6#Plant#plantwheatpath.bsky.social

Mediterranean durum #wheat: Seedling resistance to Ug99 and recent emergent stem #rust races doi.org/10.1002/csc2...

📣 Offre de #stage #Master2 / césure début 2026 @inrae-france.bsky.social @inrae-bioger.bsky.social @agroparistech.fr @univparissaclay.bsky.social en #statistiques #bioinformatique #écologie : "Analyses de la structure des communautés fongiques de la phyllosphère du blé". Détails ici ▶️ bit.ly/4fvGMOa

Current status and future direction of the high-­temperature resistance in #wheat to control stripe #rust doi.org/10.1111/mpp....

Ravi que notre petit projet #MemoRust ait été retenu par #SuMCrop @inrae-france.bsky.social ! A l’interface phytopathologie–histoire des sciences et rurale, avec pour cas d’étude la rouille noire en France, nous analyserons les mécanismes de construction, transmission et oubli des savoirs.

Très touché par mon cadeau de 'Secret Santa' @inrae-bioger.bsky.social, si bien ciblé ! 🤣/🥹

Our colleague Dr Pierre-Yves Teycheney, a highly respected plant virologist, is currently facing disciplinary sanctions imposed by CIRAD that appear disproportionate in light of the documented facts and circumstances. You can sign the letter of support here 👇 www.ipetitions.com/petition/let...

Special Report: “Development of a Triplex Quantitative PCR System for the Detection of Parastagonospora nodorum, Zymoseptoria tritici, and Pyrenophora tritici-repentis from Wheat,” by Heting Fu et al. Read the article to learn more: https://doi.org/10.1094/PDIS-01-25-0003-SR

Editor’s Pick! Silvia Minana-Posada et al. combined multiple approaches to investigate how the wheat pathogen Zymoseptoria tritici responds to and recovers from temperature shocks. Read the open access Editor’s Pick to learn more: https://doi.org/10.1094/PHYTO-02-25-0057-R

And now, offspring pops in the box! 📦

"Plant biosecurity & phytosanitary regimes under threat from instrumentalization dynamics": I examine the growing tensions between science, expertise, and politics in the current geopolitical context -> #SSRN preprint in French, but abstract in English. dx.doi.org/10.2139/ssrn...

« La biosécurité végétale et les régimes phytosanitaires en proie à des dynamiques d’instrumentalisation » : dans ce preprint #SSRN j’analyse, à la lumière du contexte géopolitique actuel, les tensions croissantes entre science, expertise & politique. dx.doi.org/10.2139/ssrn...

Printing into agar the ballistic ascospore-ejection movement, like a comet streaking across the lab. Year after year, same wonder! 🤩

A #Zymoseptoria tritici #ascospore germinating from both extremities! 🤗

Reflections on the past, present, and future of quantitative plant disease epidemiology #LarryMadden doi.org/10.1146/annu...

Facing the wall again — for a new campaign of #Zymoseptoria tritici #ascospore ejection from #wheat debris.

Responses to Temperature Shocks in Zymoseptoria tritici Reveal Specific Transcriptional Reprogramming and Novel Candidate Genes for Thermal Adaptation | Phytopathology® apsjournals.apsnet.org/doi/full/10....

Our paper on Zymoseptoria tritici 3D genome organization is officially out! @iglavincheska.bsky.social link.springer.com/article/10.1...

Finally out! A large European diversity panel reveals complex azole fungicide resistance gains of a major wheat pathogen journals.asm.org/doi/10.1128/... A big thanks to @danielcroll.bsky.social & @GabrielScalliet #azole #DMI #GWAS #fungicide #resistance #zymoseptoria #Europe

k-mer-based GWAS reveals a candidate avirulence gene and structural variation in Puccinia triticina linked to gain of Lr20 virulence doi.org/10.1186/s128...

Global research network gains time in the race against #wheat #rust doi.org/10.1111/ppa....

What is Fusarium graminearum, the fungus a Chinese scientist pleaded guilty to smuggling into the US? Tom Allen, #MAFES and #MSUext plant pathologist explains in @theconversation.com: theconversation.com/what-is-fusa...

End-of–2nd-year meeting for the #FSOV project @semae_officiel “RouilleNoire_2.0” on #wheat stem #rust in France. Many thanks to all partners — breeders and phytopathologists — for reviewing the ongoing work, and to Kévin Meyer for chairing the day.

First large-scale breakdown of Yr15 resistance to #wheat yellow #rust (Puccinia striiformis f. sp. tritici) recorded globally doi.org/10.1002/ndr2...

Species composition of #wheat #Septoria pathogens and identification of effector genes in #Parastagonospora spp. populations of Krasnodar Krai and Leningrad Oblast of the Russian Federation doi.org/10.3103/S106...