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Chrysopogon smut

Scientific Name
Sporisorium andropogonis-aciculati
Scientific Author
(Petch) Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Scanning electron micrograph
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Caption
Sporisorium andropogonis-aciculati on Chrysopogon aciculatus - BRIP 47254. Scale bar = 1 µm
Source
Desley Tree DEEDI
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Diagnostic Images (4)
Diagnostic Notes
Sori destroying the entire inflorescence, long-cylindrical, 20–40 (–50) mm long, 1–2 mm wide, hidden by the uppermost leaf sheath, at first covered by a pale brown peridium that ruptures irregularly from its apex exposing the blackish brown granular-powdery mass of spore balls and several long filiform columellae.

Spore balls subglobose, ellipsoidal to slightly irregular, 20–60 × 20–50 µm, dark reddish brown to opaque, composed of tens or hundreds of spores that separate by pressure.

Spores globose, subglobose, ellipsoidal to slightly irregular, 5.0–6.5 × 4–5 µm, yellowish brown, somewhat paler on one side; wall uneven, 0.5–1.0 µm thick, apparently smooth to very finely punctate, in SEM finely and moderately densely verruculose.

Sterile cells absent.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
22/11/2010 12:46 AEST
Last Updated
23/11/2010 15:13 AEST
Citation
Roger Shivas (2010) Chrysopogon smut (Sporisorium andropogonis-aciculati) Updated on 11/23/2010 3:13:53 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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