Tuberculina sbrozzii Cavara & Saccardo, 1899
on Vinca
Vinca major, infected by Puccinia vincae, België, prov. Antwerpen, Mol, 2.v.2023 © Carina Van Steenwinkel
serious infection. The formation of Puccinia spores was completely suppressed.
even at the flower buds. See note below.
Vinca major, Engeland, Berks, VC22: infected uredinia of Puccinia vincae © Malcolm Storey, BioImages
conidia (+ 2 ?urediniospores of P. vincae)
Vinca major, Belgium, prov. Antwerp, Balen, de Keiheuvel © Carina Van Steenwinkel
section
conidia formation
gall
Forms parasitic sori in those of Puccinia cribrata and P. vincae, preventing the formation of spores by the host fungus.
notes
Plants infected by Puccinia vincae generally remain sterile. However, as the picture above demonstrate, this sterilisation is neutralised by the hyperparasite.
references
Lutz, Bauer, Begerow & Oberwinkler (2004a), Ellis & Ellis (1997a), Klenke & Scholler (2015a), Kruse (2019a), Lutz, Bauer, Begerow, Oberwinkler & Triebel (2004a), Termorshuizen & Swertz (2011a).