Wednesday, February 21, 2024
Nursery Papers

Nursery Papers – Polyphagous Shot Hole Borer

Horticulture Innovation Australia Limited

PSHB is known to affect more than 400 tree host species in horticulture production, native and amenity settings.

Comprised of the beetle itself PSHB and its fungal symbiont carries and introduces the fungal organism to reproductive tree hosts as food for their young. Fungal symbionts carried by the beetle can vary, and are often multiple, however the fungal species detected in Australia is described as Fusarium AF-18.

The first detection in Australia of PSHB was made in East Fremantle, WA in August 2021 in amenity box maple trees (Acer negundo).

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