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Guringalia Smut

Scientific Name
Restiosporium guringaliae
Scientific Author
Vánky & R.G. Shivas
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Host symptoms
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Caption
Restiosporium guringaliae on Guringalia dimorpha - DAR 7048. Scale bar = 3 mm.
Source
Roger Shivas DEEDI
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Diagnostic Images (4)
Diagnostic Notes
Sori inconspicuous,destroying the seeds and filling the capsules with a black granular-powdery mass of spore balls. Infection systemic; all capsules of a plant affected.

Spore balls globose, ovoid-ellipsoidal or slightly irregular, 50–120 (–150) × 40–100 µm, dark olivaceous brown to opaque, composed of tens to hundreds of spores that separate readily by pressure.

Spores rounded to elongate, subpolyhedrally or polyhedrally irregular, 9–14 (–16) × 7.5–10.5 µm, pale olivaceous brown with darker lines corresponding to the edges of contact sides; wall uniformly c. 0.5 µm thick; in LM smooth, in SEM the free surface of the outermost spores in a ball rough, with low irregular rounded often confluent warts.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
07/12/2010 11:41 AEST
Last Updated
07/12/2010 11:41 AEST
Citation
Roger Shivas (2010) Guringalia Smut (Restiosporium guringaliae) Updated on 12/7/2010 11:41:14 AM 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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