#Rust on bramble (#Rubus fruticosus) caused by #Kuehneola uredinis, here with white telia/teliospores hyperparasitized by #Tuberculina persicina (Les Clayes-sous-Bois, FR).
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#Tuberculina
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And the gem of the day 🤩: #rust on sickle hare’s ear (#Bupleurum falcatum) caused by #Puccinia bupleuri, showing the full range of stages — aecidiospores, urediniospores & teliospores — and, as a bonus, itself hyperparasitized by #Tuberculina persicina (La Roche-Guyon, FR).
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Wood spurge (#Euphorbia amygdaloides) infected by the #rust #Endophyllum euphorbiae-silvaticae, which is itself parasitized by the mycoparasitic fungus #Tuberculina persicina (La Roche-Guyon, FR).
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Microscopic confirmation 🔬 at home: #Tuberculina sp. — likely T. persicina — hyperparasitizing #Puccinia arrhenatheri on #Berberis vulgaris (Chenôve, FR).
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Great catch! 🤩 The hyperparasitic fungus, #Tuberculina sp. — likely T. persicina — developing on aecia of #Puccinia graminis on #Berberis vulgaris. It has a grayish-purple color and produces small, round spores. Also observed in the same area on P. arrhenatheri (Chenôve, FR).
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First day of prospection near Dijon, Burgundy. Five years later, at the same site: impressive #rust on #Berberis vulgaris caused by #Puccinia arrhenatheri, here hyperparasitized by #Tuberculina sp., maybe T. persicina (Chenôve, France).
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#Tuberculina persicina hyperparasiting old pustules of #Aecidium clematidis on leaves of #Clematis vitalba (Cascade du Boundoulaou, Creissels, FR).
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Wood spurge (#Euphorbia amygdaloides) infected by the #rust #Endophyllum euphorbiae-silvaticae, which is itself parasitized by the mycoparasitic fungus #Tuberculina persicina (La Roche-Guyon, France).
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#Tuberculina sbrozzii, hyperparasite of #Puccinia vincae causing rust on #Vinca major (Millau, FR). Appears on leaves while rust is still systemic and no uredinia or telia have yet well formed.
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#Rust on a wild pear tree (Pyrus communis) likely caused by #Gymnosporangium sabinae, here with a cluster of pycnia and pre-aecial tissues parazited by #Tuberculina sp., likely T. maxima which is specific to Gymnosporangium - thanks @RPilze for the help 👍 (Saint-Père, FR).
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#Rust on a wild pear tree (Pyrus communis) likely caused by #Gymnosporangium sabinae, here with a cluster of pycnia and pre-aecial tissues parazited by #Tuberculina sp., likely T. maxima which is specific to Gymnosporangium - thanks @RPilze for the help 👍 (Saint-Père, FR).
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#Rust of bigleaf periwinkle (#Vinca major) caused by #Puccinia vincae, here with telia parasitized by the #Tuberculina sbrozzii (Villeneuve-Tolosane, FR).
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Looking back at this photo plate one year later I just realise that I had missed 🤦♂️ sporodochia of #Tuberculina persicina, #hyperparasite of several #rust #fungi (here #Puccinia sessilis on #Polygonatum multiflorum). The food chain around rusts is definitely rich!
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Looking back at this photo plate one year later I just realise that I had missed 🤦♂️ sporodochia of #Tuberculina persicina, #hyperparasite of several #rust #fungi (here #Puccinia sessilis on #Polygonatum multiflorum). The food chain around rusts is definitely rich!
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(1/2) #Rust of bigleaf periwinkle (#Vinca major) caused by #Puccinia vincae, here with upper leaves covered by some brown uredinia and also pustules releasing conidia of the hyperparasitic fungus #Tuberculina sbrozzii. Thanks @SchwabMyco @RPilze for help in host & pathogen id! 🙏
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(1/2) #Rust of bigleaf periwinkle (#Vinca major) caused by #Puccinia vincae, here with upper leaves covered by some brown uredinia and also pustules releasing conidia of the hyperparasitic fungus #Tuberculina sbrozzii. Thanks @SchwabMyco @RPilze for help in host & pathogen id! 🙏
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(1/2) #Rust of bigleaf periwinkle (#Vinca major) caused by #Puccinia vincae, here with upper leaves covered by some brown uredinia and also pustules releasing conidia of the hyperparasitic fungus #Tuberculina sbrozzii. Thanks @SchwabMyco @RPilze for help in host & pathogen id! 🙏
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