Frédéric Suffert

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Frédéric Suffert

Frédéric Suffert

@wheatpath

Plant disease epidemiologist @INRAE_France studying wheat fungal pathogens, mostly Zymoseptoria | Enthusiatic about rust & wild pathosystems | IngAgro PhD IHEDN

Paris-Saclay, FR Katılım Nisan 2012
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Graeme Kettles
Graeme Kettles@GraemeKettles·
Happy IPO323 day for those who celebrate. The reference isolate of Zymoseptoria, fished out of a Dutch wheat field 45 years ago today!
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Frédéric Suffert
Frédéric Suffert@wheatpath·
@DeprazF Pas de lien a priori. Le principal lien que je connaisse chez la plupart des rouilles est avec Mycodiplosis sp. (larves mycophages).
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Despraz Felipe
Despraz Felipe@DeprazF·
Très belle photo ; est ce qu il y a un lien(alimentaire) entre cet insecte et ce "champignon" puccinia graminis...Ou est ce qu il se balladait par là par hasard Mr Polydrusus🪳?
Frédéric Suffert@wheatpath

#Polydrusus prasinus on a leaf of #Berberis vulgaris infected by #Puccinia graminis (Val Suzon, FR).

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Frédéric Suffert
Frédéric Suffert@wheatpath·
Emotion remains intact overlooking the #ValSuzon from the rocky promontory where we end each yearly survey with a picnic. This fourth season will likely be the last, and it is now time to analyze and valorize all our data. Bye bye! 👋
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Frédéric Suffert
Frédéric Suffert@wheatpath·
Day 4 sampling of #Puccinia graminis aecia on #Berberis vulgaris in a bucolic hedge — “just as one imagines it” — in the agricultural area north of the Val Suzon (FR).
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Frédéric Suffert
Frédéric Suffert@wheatpath·
Closing of the life cycle of #Puccinia graminis: old telia on a stem of Arrhenatherum elatius vs. aecia on #Berberis vulgaris, located 20 cm apart (Val Suzon, FR).
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Frédéric Suffert
Frédéric Suffert@wheatpath·
(2/2) ...with telia on the branch of the primary host, #Juniperus communis, and fresh spermogonia on a leaf of the alternate host, #Crataegus monogyna, growing just a few meters apart (Prenois, FR).
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Frédéric Suffert
Frédéric Suffert@wheatpath·
(1/2) Can you spot them? 🧐 Almost before your eyes and in real time, the closing of the life cycle of the #rust fungus #Gymnosporangium clavariiforme, present in May here on both juniper (right) and hawthorn (left)...
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Frédéric Suffert
Frédéric Suffert@wheatpath·
Between two showers 🌧️, sampling of #Puccinia graminis aecia on common barberry (#Berberis vulgaris) (INRAE CA-SYS platform, Bretenière, France).
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Frédéric Suffert
Frédéric Suffert@wheatpath·
The hyperparasitic fungus, #Tuberculina sp. — likely T. persicina — developing on aecia of #Puccinia graminis on #Berberis vulgaris: : a 'healthy' aecium on the left, an infected aecium on the right (Chenôve, France).
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Frédéric Suffert
Frédéric Suffert@wheatpath·
First 2026 sampling day for stem #rust (#Puccinia graminis) on barberry (#Berberis vulgaris) around Dijon. On the Chenôve plateau, the aecia are already showing up!
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Frédéric Suffert@wheatpath

Fantastic diversity of shapes of #Puccinia graminis aecia, likely influenced by developmental stage, resistance level of #Berberis vulgaris, inoculum pressure, weather conditions at infection, and formae speciales (around Dijon, France). But can you identify the intruder? 🤔

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