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Golovinomyces cucurbitacearum

Scientific Name
Golovinomyces cucurbitacearum
Scientific Author
(R.Y. Zheng & G.Q. Chen) Vakal. & Kliron.
Taxonomy
(Ascomycota: Leotiomycetes: Erysiphales: Erysiphaceae)
Pest Status
1 NZ - Non-regulated species
Status
NZ - Exotic
Reliability
High
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Diagnostic Images

In Life
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Caption
Golovinomyces symptoms on cucurbitaceous plants
Source
E. McKenzie Landcare Research
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Diagnostic Images (9)
Diagnostic Notes
Disease

Powdery mildew. White growth of mycelium and conidia form colonies on both upper and lower surface of leaves, but is often most prolific on upper surface.

Morphology

Conidiophores of G. cucurbitacearum: 30–80 × 9–15 µm, unbranched, hyaline; G. orontii: 30–100 × 10–14 µm, unbranched, hyaline. Conidia of G. cucurbitacearum: (18–)25–35 × 12–22 µm, length/width ratio 1.4–2.2, ellipsoid, ovoid or cylindrical, hyaline, non-septate, sometimes in chains; G. orontii: 25–40 × (10–)15–23(–25) µm, length/width ratio ca. 2, ellipsoid, ovoid or subcylindrical, hyaline, non-septate, in short chains.

More Information
Specimen Contact
Eric McKenzie
Author
McKenzie, E.
Created
18/07/2013 11:43 AEST
Last Updated
31/03/2014 00:15 AEST
Citation
McKenzie, E. (2013) Golovinomyces cucurbitacearum (Golovinomyces cucurbitacearum) Updated on 3/31/2014 12:15:33 AM 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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