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Bothriochloa smut

Scientific Name
Sporisorium tenue
Scientific Author
(Syd. & P. Syd.) Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

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Caption
Sporisorium tenue on Bothriochloa bladhii - BRIP 51523 Scale bar = 10 µm
Source
Roger Shivas DEEDI
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Diagnostic Images (4)
Diagnostic Notes
Sori destroying the entire inflorescence, long-linear, 10–70 mm long, partly hidden by the uppermost leaf sheath, at first covered by a yellowish brown peridium that flakes away exposing the dark brown semi-agglutinated to powdery mass of spores mixed with sterile cells surrounding a well-developed simple or branched columella.

Spore balls ephemeral.

Spores when mature solitary, globose, subglobose, ovoid, ellipsoidal to rounded, subpolyhedrally irregular, 6.5–9.5 × 5.5–8.0 (–9) µm, yellowish brown; wall uniformly c. 0.5 µm thick, from apparently smooth to finely punctate or verrucose-echinulate; spore profile smooth, wavy to finely serrulate.

Sterile cells in irregular groups; individual cells globose, ellipsoidal to irregular, 6–15 µm long, hyaline, collapsed in old specimens; wall uniformly c. 0.8 µm thick, smooth.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
09/12/2010 12:55 AEST
Last Updated
09/12/2010 12:55 AEST
Citation
Roger Shivas (2010) Bothriochloa smut (Sporisorium tenue) Updated on 12/9/2010 12:55:32 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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