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Cercospora capsici

Scientific Name
Cercospora capsici
Scientific Author
Heald & F.A. Wolf
Taxonomy
(Ascomycota: Dothideomycetes: Capnodiales: Mycosphaerellaceae)
Pest Status
2 NZ - Regulated pest
Status
NZ - Exotic
Reliability
High
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Diagnostic Images

Conidiophores & Conidia
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Caption
Cercospora capsici conidiophores and conidia
Source
E. McKenzie Landcare Research
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Diagnostic Images (7)
Diagnostic Notes
Disease

Frog-eye leaf spot. Leaf spots circular, up to 1 cm diam., brown, typically with a small (0.5–1 mm) whitish centre (which gives the disease its common name).

Morphology

Conidiophores arising from black stromata on lower surface of leaf, in fasicles, pale brown to olivaceous-brown, 30–80 × 4–6 µm. Conidiophores usually continue to elongate, producing successive conidia, and hence 2 or more widely spaced scars. Conidia 50–150 × 3–5 µm, hyaline, 5–15-septate, smooth, acicular, straight or slightly curved, tip rounded, basal cell truncate with distinct scar.

Note This fungus is considered by Crous & Braun (2003) to be a synonym of Cercospora physalidis, which in turn they regard as Cercospora apii sensu lato.
More Information
Specimen Contact
Eric McKenzie
Author
McKenzie, E.
Created
11/07/2013 01:29 AEST
Last Updated
20/03/2014 19:37 AEST
Citation
McKenzie, E. (2013) Cercospora capsici (Cercospora capsici) Updated on 3/20/2014 7:37:52 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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