1. Padil Species Factsheet Scientific Name: Common Name Image Library Partners for Smut Fungi of Australia Image Library

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1. Padil Species Factsheet Scientific Name: Common Name Image Library Partners for Smut Fungi of Australia Image Library

1. PaDIL Species Factsheet Scientific Name: Ustilago tritici (Pers.) Rostr. Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae Common Name Wheat smut Live link: http://www.padil.gov.au/aus-smuts/Pest/Main/140255 Image Library Smut Fungi of Australia Live link: http://www.padil.gov.au/aus-smuts/ Partners for Smut Fungi of Australia image library Queensland Government https://www.daf.qld.gov.au/ 2. Species Information 2.1. Details Specimen Contact: Roger Shivas - [email protected] Author: Roger Shivas Citation: Roger Shivas (2010) Wheat smut(Ustilago tritici )Updated on 12/17/2010 Available online: PaDIL - http://www.padil.gov.au Image Use: Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY- NC 4.0) 2.2. URL Live link: http://www.padil.gov.au/aus-smuts/Pest/Main/140255 2.3. Facets Columella: absent Distribution: ACT, NSW, QLD, SA, TAS, VIC Host Family: Poaceae Peridium: absent Sorus position: inflorescence Sorus shape: long cylindrical, globose to short cylindrical, irregular (includes naked sori) Spore balls: absent Spore mass texture: powdery Spore shape: globose or subglobose, ovoid to ellipsoidal Spore surface ornamentation: echinate or echinulate, punctate, smooth Status: Exotic establishment in Australia Sterile cells: absent 2.4. Other Names Erysibe vera ß tritici (Pers.) Wallr. Uredo carbo ß tritici (Pers.) DC. Uredo segetum ß tritici Pers. Uredo segetum ß Uredo tritici Pers. Ustilago ehrenbergiana A.A. Fisch. Waldh. Ustilago hordei Bref. Ustilago passerinii A.A. Fisch. Waldh. Ustilago schumanniana Henn. Ustilago segetum var. tritici (Pers.) Brunaud Ustilago segetum var. tritici (Pers.) Rostr. & J.L. Jensen Ustilago tritici forma sp. folicola Henn. Ustilago ugamica Golovin Ustilago vavilovii Jaczewski 2.5. Diagnostic Notes **Sori** in spikelets, dark olivaceous brown, dusty (loose smut), usually destroying all floral parts, leaving behind only the naked rachis (in rye usually only parts of the lower spikelets are destroyed); occasionally also as striae on leaves, sheaths and culms. **Spores** globose to subglobose or ovoid, 6–9 × 5–7 µm diam., olivaceous brown, paler on one side, minutely echinulate. **Spore germination**: Basidia septate, 4-celled. On artificial media and in nature fusion between compatible basidial cells gives rise to dikaryotic hyphae that infect the host via the ovary at flowering, resulting in a systemic disease. 3. Diagnostic Images Ustilago tritici on Triticum aestivum - BRIP Ustilago tritici on Triticum aestivum - BRIP 11860. Scale bar = 1 cm 11860. Scale bar = 10 µm Host symptoms: Roger Shivas DEEDI Light micrograph: Roger Shivas DEEDI Results Generated: Sunday, October 3, 2021 .

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Molecular Phylogeny of Ustilago and Sporisorium Species (Basidiomycota, Ustilaginales) Based on Internal Transcribed Spacer (ITS) Sequences1
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