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Pseudonectria canker/Volutella leaf and stem blight (Pseudonectria rousseliana) on Boxwood (Buxus sp.)


12 Images

Paul Bachi
University of Kentucky Research and Education Center

Branch dieback and leaves turning from green to brown


Paul Bachi
University of Kentucky Research and Education Center

Close-up of branch dieback and leaves turning from green to brown


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on lower leaf surface


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on lower leaf surface


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on lower leaf surface. Tiny reddish dashes are sterile structures of the fungus called "setae".


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on branch


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on branch


Paul Bachi
University of Kentucky Research and Education Center

Small, salmon-colored, waxy spore-producing bodies ("sporodochia") on branch


Paul Bachi
University of Kentucky Research and Education Center

Clusters of conidiophores and setae with many spores of the anamorph fungus Volutella buxi; asexual stage of Pseudonectria rousseliana.


Paul Bachi
University of Kentucky Research and Education Center

A single group of conidiophores and setae (3) with many spores of the anamorph fungus Volutella buxi, the asexual stage of the fungus Pseudonectria rousseliana.


Paul Bachi
University of Kentucky Research and Education Center

Many spores of the anamorph fungus Volutella buxi, the asexual stage of the fungus Pseudonectria rousseliana.


Paul Bachi
University of Kentucky Research and Education Center

Close-up of spores of the anamorph fungus Volutella buxi, the asexual stage of the fungus Pseudonectria rousseliana.