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Lyginia Smut

Scientific Name
Restiosporium meneyae
Scientific Author
Vánky
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 meneyae on Lyginia barbata - BRIP 27418. Scale bar = 1 cm.
Source
Roger Shivas DEEDI
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Diagnostic Images (3)
Diagnostic Notes
Sori inconspicuous, filling the capsules with a black granular-powdery mass of spore balls; infected male plants developing gynoecia with sori (transvestism). Infection systemic; all flowers of a plant affected; infected capsules smaller and more numerous per culm than those of healthy female plants.

Spore balls ovoid, elongate or irregular, 50–100 (–120) × 40–70 (–80) µm, dark olivaceous brown, composed of tens to hundreds of readily separating spores, developing from concentrated groups of sporogenous hyphae within a hyaline mass of hyphae.

Spores subglobose, ovoid or elongate, usually subpolyhedrally or polyhedrally irregular, 9–14 × 7–10 µm, olivaceous brown; wall uniformly 0.5–1.0 µm thick, apparently smooth; in LM often with acute edges showing as lines when the spores are seen in surface view.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
07/12/2010 01:38 AEST
Last Updated
07/12/2010 13:38 AEST
Citation
Roger Shivas (2010) Lyginia Smut (Restiosporium meneyae ) Updated on 12/7/2010 1:38:38 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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