1. PaDIL Factsheet

Scientific Name: dioscoreae-alatae J.R. Hern. & E.T. Cline (: : Pucciniales: Chaconiaceae)

Common Name Goplana dioscoreae-alatae Live link: http://www.padil.gov.au/maf-border/Pest/Main/143027

Image Library New Zealand Biosecurity Live link: http://www.padil.gov.au/maf-border/

Partners for New Zealand Biosecurity image library

Landcare Research — Manaaki Whenua http://www.landcareresearch.co.nz/

MPI (Ministry for Primary Industries) http://www.biosecurity.govt.nz/ 2. Species Information

2.1. Details Specimen Contact: Eric McKenzie - [email protected] Author: McKenzie, E. Citation: McKenzie, E. (2013) Goplana dioscoreae-alatae(Goplana dioscoreae-alatae)Updated on 3/31/2014 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/maf-border/Pest/Main/143027

2.3. Facets Commodity Overview: Field Crops and Pastures Commodity Type: Yam Distribution: Afrotropic, Indo-Malaya, Neotropic, Oceania Groups: Fungi & Mushrooms Host Family: Dioscoreaceae Pest Status: 2 NZ - Regulated pest Status: 0 NZ - Unknown

2.4. Other Names Aecidium dioscoreae Berk. & Broome Goplana dioscoreae Cummins Uredo dioscoreae-alatae Racib.

2.5. Diagnostic Notes **Disease** Pustules on both leaf surfaces, especially the upper, and on petioles, scattered or in small groups, golden yellow to pale yellow but long covered by dark coloured host tissues.

**Morphology** _Uredinia_ on both surfaces of leaves and on petioles, scattered or grouped in areas up to 5 mm diam., yellowish orange. _Urediniospores_ orange to pale yellow, subglobose, sometimes irregular or angular, (14–)17–28(–31) × (13–)14–22 µm, wall (1–)1.5(–3) µm thick, covered in small spines.

2.6. References - Hernandez, J.R. & Cline, E.T. (2010). _Goplana dioscoreae-alatae_ nom. nov. and other Uredinales on Dioscoreaceae: nomenclature and . _Mycotaxon 111_, 263–268. - Ono, Y. (1982). Rusts of yams in Southeast Asia and South Pacific. _Transactions of the British Mycological Society 79_, 423–429. 3. Diagnostic Images

Goplana dioscoreae-alatae symptoms on Goplana dioscoreae-alatae symptoms on leaves and petioles of Dioscorea alata leaves and petioles of Dioscorea alata (upper surface) (lower surface) in: E. McKenzie Landcare Research In Life: E. McKenzie Landcare Research

Results Generated: Thursday, September 30, 2021