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Canna rust

Scientific Name
Puccinia thaliae
Scientific Author
Diet.
Taxonomy
(Basidiomycota: Pucciniomycetes: Pucciniales: Pucciniaceae)
Risk
Medium
Status
Exotic Disease Occurence in Thailand
Reliability
High
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Diagnostic Images

Host symptoms
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Caption
Uredinia of Puccinia thaliae on Canna indica. Scale bar = 1 cm.
Source
Tharntip Bhasabutra Department of Agriculture, Thailand
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Diagnostic Images (5)
Diagnostic Notes

Uredinia amphigenous, mostly hypophyllis, sparse, golden becoming pale, powdery, initially covered by the epidermis and later exposed; urediniospores obovate to pyriform, 28-40 x 20-25 µm, golden becoming pale, wall strongly echinulate; telia mostly hypophyllis, sparse, minute, round, covered by the epidermis; teliospores clavate to cylindrical, 50-83 x 14-21 µm, apex rounded, acute or truncate, gradually thickened towards the apex, septum slightly or not constricted, smooth, brown, paler towards the base, with a short pedicel. (Translated from Saccardo, 1902).

More Information
Specimen Contact
Tharntip Bhasabutra
Author
Bhasabutra, T., Choobamroong, W., Beasley, D.R. & Shivas, R.G. (2011)
Created
01/02/2011 02:11 AEST
Last Updated
01/02/2011 17:54 AEST
Citation
Bhasabutra, T., Choobamroong, W., Beasley, D.R. & Shivas, R.G. (2011) (2011) Canna rust (Puccinia thaliae) Updated on 2/1/2011 5:54:20 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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