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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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Host Family

  • Cucurbitaceae
  • Malvaceae

Description

Pacific Hosts

- Cucurbitaceae

- Malvaceae: Abelmoschus esculentus (L.) Moench

Other Hosts

G. cucurbitacearum is restricted to Cucurbitaceae while G. orontii has a wide range of hosts in many plant families.

In the Pacific, powdery mildew on cucurbits has been variously referred to as being caused by Erysiphe cichoracearum, Sphaerotheca fuligena and Oidium spp. Following a revision of powdery mildew fungi by Braun (2012), Spaerotheca fuligena (=Podosphaera fuligena) is restricted to the plant family Plantaginaceae in the northern hemisphere. However, both G. cucurbitacearum and G. orontii occur on cucurbits throughout the world.

It is uncertain if the morphologically distinct Leveillula taurica can occur on Cucurbitaceae (Braun, 2012); it has not been recorded on this plant family in the Pacific.


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