#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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#Kuehneola
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#Rust on #Rubus fruticosus caused by #Kuehneola uredinis, with orange uredinia on the upper side of the leaves (+ the purplish hyperparasite Tuberculina persicina) and white telia (consumed by a Mycodiplosis larvae) on the underside (Les Clayes-sous-Bois, FR). Busy ecosystem! 🤯
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Bramble stem #rust on blackberry (#Rubus sp.) caused by #Kuehneola uredinis (Les Clayes-sous-Bois, FR).
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Bramble stem #rust on blackberry (#Rubus sp.) caused by #Kuehneola uredinis (Les Clayes-sous-Bois, FR).
x.com/wheatpath/stat…
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#Rust on bramble (Rubus fruticosus) caused by #Kuehneola uredinis, here with orange uredinia on the upper side of the leaves and white telia consumed by Mycodiplosis sp. larvae on the lower side (Les Clayes-sous-Bois, FR).
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#Rust on bramble (Rubus fruticosus) caused by #Kuehneola uredinis, here with orange uredinia on the upper side of the leaves and white telia consumed by Mycodiplosis sp. larvae on the lower side (Les Clayes-sous-Bois, FR).
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Pale bramble #rust — also called bramble stem rust — on #blackberry (Rubus fruticosus) caused by #Kuehneola uredinis, here with a mix of secondary uredinia (orange) and telia (white) consumed by Mycodiplosis larvae (Verdale, FR). Teliospores are colorless, arranged in chains.
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Pale bramble #rust — also called bramble stem rust — on #blackberry (Rubus fruticosus) caused by #Kuehneola uredinis, here with a mix of secondary uredinia (orange) and telia (white) consumed by Mycodiplosis larvae (Verdale, FR). Teliospores are colorless, arranged in chains.
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Early symptoms of bramble stem #rust on blackberry (Rubus fruticosus) caused by #Kuehneola uredinis (Plaisir, FR).
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(2/2) Could this second #rust on bramble leaves be caused by #Kuehneola uredinis? 🤔 Why not, as I think I found this species last April not too far from here...
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(2/2) Could this second #rust on bramble leaves be caused by #Kuehneola uredinis? 🤔 Why not, as I think I found this species last April not too far from here...
x.com/wheatpath/stat…
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Nice discovery for an evening stroll: local focus (10-20 m²) of bramble stem #rust on blackberry (#Rubus sp., R. fruticosus?) caused by #Kuehneola uredinis (Les Clayes-sous-Bois, FR). Urediniospores (24 x 18 µm) are not surrounded by paraphyses, contrary to Phragmidium violaceum.
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Nice discovery for an evening stroll: local focus (10-20 m²) of bramble stem #rust on blackberry (#Rubus sp., R. fruticosus?) caused by #Kuehneola uredinis (Les Clayes-sous-Bois, FR). Urediniospores (24 x 18 µm) are not surrounded by paraphyses, contrary to Phragmidium violaceum.
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