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Frédéric Suffert

@wheatpath.bsky.social
523 followers 266 following 6.1K posts

Plant disease epidemiologist @inrae-france.bsky.social studying wheat fungal pathogens, mostly Zymoseptoria | Enthusiatic about rust & wild pathosystems | IngAgro PhD IHEDN | tinyurl.com/fsuffert

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Frédéric Suffert @wheatpath.bsky.social · 30/09/2026
Première réunion de la nouvelle mandature du CES SantVeg @anses-fr.bsky.social "Risques Biologiques pour la Santé des Végétaux" www.anses.fr/fr/comites-c.... Un atelier où les "anciens" révisent quelques concepts sur l'ARP ; s’il fallait n'en retenir qu'un : introduction = entrée + établissement.
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Frédéric Suffert @wheatpath.bsky.social · 29/09/2026
Virulence and genotypic diversity of the #wheat stem #rust pathogen (#Puccinia graminis f. sp. tritici) in #Jordan and the response of durum wheat genotypes to infection doi.org/10.1094/PDIS...
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Frédéric Suffert @wheatpath.bsky.social · 29/09/2026
Race characterization of the stripe #rust pathogen in #Canada from 2020 to 2024 and long-term CYP51 mutation analysis doi.org/10.1094/PHYT...
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Frédéric Suffert @wheatpath.bsky.social · 29/09/2026
GWAS with a global population of #wheat stripe #rust identified high-confidence avirulence gene candidates doi.org/10.1111/mpp....
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Frédéric Suffert @wheatpath.bsky.social · 29/09/2026
Exploring the antifungal activity of the wheat microbiome doi.org/10.1042/BST2...
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust of blunt-leaved willow (#Salix retusa) caused by a #Melampsora sp. belonging to the Melampsora epitea complex — perhaps M. laricis-epitea or M. arctica based on urediniospore size (14–20 × 16–24 µm) (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on spiniest thistle (#Cirsium spinosissimum) caused by #Puccinia laschii (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on snow willow (#Salix reticulata) likely caused by #Melampsora epitea var. reticulatae syn. M. reticulae (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on alpine snowbell (#Soldanella alpina) caused by #Puccinia soldanellae (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on singleflower knapweed (#Centaurea uniflora) caused by #Puccinia centaureae (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on hairy lady's mantle (#Alchemilla monticola) caused by #Trachyspora alchemillae (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
Powdery #mildew on hogweed (#Heracleum sphondylium) caused by #Erysiphe heraclei (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust on golden cinquefoil (#Potentilla aurea) caused by #Phragmidium fragariae (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Exobasidium vaccinii-uliginosi on European blueberry (#Vaccinium uliginosum) (Aime-La-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust of valerian (#Valeriana officinalis) caused by #Uromyces valerianae (Mâcot-la-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 23/08/2026
#Rust of red campion (#Silene dioica) caused by #Puccinia arenariae (Mâcot-la-Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 20/08/2026
#Laetiporus sulphureus (La Plagne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on Nottingham catchfly (#Silene nutans) caused by Puccinia behenis or Uromyces behenis (La Llagonne, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on alpine bistort (#Bistrorta vivipara) likely caused by #Puccinia bistortae, whose urediniospores are smaller than those of P. polygoni-vivipari (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on wolf's-bane (#Aconitum lycoctonum or A. napellus) likely caused by #Uromyces lycoctoni (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on cypress spurge (#Euphorbia cyparissias) likely caused by #Uromyces alpestris (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on winged broom (#Genista sagittalis) caused by #Uromyces genistae (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on white hellebore (#Veratrum album) caused by #Puccina veratri (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on red sorrel (#Rumex acetosella) caused by #Puccina acetosae (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on marsh-marigold (#Caltha palustris) likely caused by #Puccina calthicola (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
Powdery #mildew on common cow-wheat (#Melampyrum pratense) likely caused by #Podosphaera phtheirospermi (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on European blueberry (#Vaccinium myrtillus) caused by #Naohidemyces vaccinii (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on mountain-ash (#Sorbus aucuparia) caused by #Gymnosporangium sp., likely G. cornutum or torminali-juniperini (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on coltsfoot (#Tussilago farfara) caused by #Coleosporium tussilaginis (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Rust on alpine adenostyles (#Adenostyles alpina) caused by #Coleosporium cacaliae (Eyne Valley, FR).
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Frédéric Suffert @wheatpath.bsky.social · 16/08/2026
#Eyne Valley, with a distant view of Font-Romeu (#Pyrénées-Orientales, FR).
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
Vacation science & chalet lab: mouflon head keeping quality control over my rust samples.
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
#Rust on black sedge (#Carex nigra) caused by #Puccinia caricina, perhaps P. caricina var. uliginosa (syn. Puccinia uliginosa) given the proximity of its aecial host (#Parnassia palustris 🔽), which was found infected nearby.
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
#Rust on marsh grass of Parnassus (#Parnassia palustris) caused by #Puccinia uliginosa — a somewhat aged specimen (Estany de Vallell, Carlit massif, FR). Another rarity 🤩 found here at the southern edge of its European range, a reminder of the glacial legacy of the #Pyrénées.
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
#Rust on alpine marsh violet (#Viola palustris) caused by #Puccinia fergussonii (Estany de la Predella, Carlit massif, FR). A rarity 🤩— probably one of the southernmost occurrences in Europe — illustrating how the #Pyrénées harbour great biodiversity inherited from glacial past.
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
Estany de Sobirans, the last of the 12 lakes beneath #Carlit, the highest peak in the Pyrénées-Orientales (FR): an ideal setting to start searching for rare #rust fungi on endemic Pyrenean plant species!
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
#Eriophyes alpestrisi, the rhododendron gall mite, on #Rhododendron ferrugineum, causing the leaves to roll upwards along the midrib and disrupting flower development (Estany de la Predella, massif du Carlit, FR). At first, I thought it might be a rust. Little disappointment! 😅
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Frédéric Suffert @wheatpath.bsky.social · 11/08/2026
Exobasidium galls on alpenrose (#Rhododendron ferrugineus) caused by #Exobasidium rhododendri (Estany de la Predella, massif du Carlit, FR).
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Frédéric Suffert @wheatpath.bsky.social · 18/07/2026
Stomatal closure, a conserved spore concentration-dependent response mediated by different Stb genes to avirulent isolates of #Zymoseptoria tritici doi.org/10.1111/ppa....
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Frédéric Suffert @wheatpath.bsky.social · 30/06/2026
Première mini-moisson avec la Minibatt* permettant de prélever des lots de grain directement dans le couvert. * modèle Godé épuisé, déniché d'occasion sur Leboncoin 😉 parce qu'il n'y a pas de petites économies @inrae-bioger.bsky.social
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Frédéric Suffert @wheatpath.bsky.social · 23/06/2026
Histological examination of cold-induced resistance to yellow #rust in winter #wheat doi.org/10.1111/ppa....
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Frédéric Suffert @wheatpath.bsky.social · 17/06/2026
📣 International Conference "Mixing crops, varieties, disciplines and know-hows for agroecology" 7-9th October 2026, Paris-Saclay, France. Abstract submission deadline extended: 30th June 2026 mix4agroecology.sciencesconf.org
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Frédéric Suffert @wheatpath.bsky.social · 16/06/2026
#Septoria Tritici Blotch in commercial #wheat crops in England: The use of varietal #resistance in disease control bsppjournals.onlinelibrary.wiley.com/doi/full/10....
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Frédéric Suffert @wheatpath.bsky.social · 15/06/2026
Long-term surveillance reveals hybridization by nuclear reassortment and intercontinental spread as major evolutionary drivers in #wheat yellow #rust doi.org/10.1111/nph....
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Frédéric Suffert @wheatpath.bsky.social · 08/06/2026
A funded PhD position for studying wheat pathogen adaptation to climate factors is open in my lab @inrae-bioger.bsky.social @univparissaclay.bsky.social in collab. @jki-research.bsky.social (Germany), with a start planned for autumn 2026 ▶️ eng-bioger.versailles-saclay.hub.inrae.fr/teams-and-pl...
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Frédéric Suffert @wheatpath.bsky.social · 01/06/2026
The recovery test from #Berberis vulgaris to the presumed primary host, #Arrhenatherum elatius, was also successful 🥰, confirming the id of the #rust as #Puccinia arrhenatheri: pustules appeared on the upper leaf face and were larger than those of P. graminis (30–34 × 26–28 µm).
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Frédéric Suffert @wheatpath.bsky.social · 30/05/2026
The recovery of #Puccinia graminis from aecia on #Berberis is nearing completion, with 36 samples collected in 2026 tested on a dozen grass and cereal species. Third year of data for Alicia Culot's PhD thesis, providing valuable information on primary hosts and formae speciales.
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Frédéric Suffert @wheatpath.bsky.social · 20/05/2026
#Septoria tritici blotch in commercial #wheat crops in England: What determines disease severity? doi.org/10.1111/ppa....
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Frédéric Suffert @wheatpath.bsky.social · 17/05/2026
Anther #smut fungus on sea campion (#Silene uniflora) likely caused by #Microbotryum silenes-inflatae (Pointe du Grouin, FR).
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Frédéric Suffert @wheatpath.bsky.social · 17/05/2026
#Rust on sea campion (#Silene uniflora) caused by #Uromyces behenis (Pointe du Grouin, FR).
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