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24 July 2025

National Agrichemical Management Program

Project overview
Chemicals & pesticides
Onions and Potatoes
10/7/2025 - 1/9/2030
14 July 2025

An integrated disease management program for the Australian Potato Industry

Project overview
Pests diseases and biosecurity
Potatoes and Solanaceous vegetables
17/03/2025 - 30/07/2030
14 July 2025

Potato sustainability – undertaking a life cycle assessment

Project overview
Environment
Potatoes and Solanaceous vegetables
22/05/2025 - 11/6/2027
28 May 2025

Cultivating success: insights from the Soil Field Walk in Bundaberg

Article
Industry development and communication and On-farm and crop management
Potatoes and Solanaceous vegetables
28 May 2025

International Trade Update: Australian vegetable exports 2024 overview

Article
International trade and markets
Onions, Alliums and more
1 April 2025

American Serpentine Leafminer ASLM detected in the Lockyer Valley

Article
Pests diseases and biosecurity
Onions, Beans and more
26 February 2025

Effective insect trap monitoring for aphids, thrips, and tomato potato psyllid (TPP) management in potato crops

Article
Pests diseases and biosecurity
Potatoes and Solanaceous vegetables
6 February 2025

Fact sheet: Guava root-knot nematode

Fact sheet
Pests diseases and biosecurity
Beans, Cucumber and more
12 December 2024

Tasmania’s Spud Doctor reflects on seed potato progress

Article
Grower profile
Potatoes
12 December 2024

Grower groups giving back to potato growers

Article
Grower profile
Potatoes

Guava root-knot nematode (GRKN, Meloidogyne enterolobii) was detected in Australia in late 2022. This microscopic pest, primarily found in tropical regions, has rapidly spread around the world and is among the most damaging species of root-knot nematodes (RKN).

In Australia, it has been identified in residential gardens and commercial farms in the Northern Territory and a few restricted sites in Queensland. Its potential spread in Australia is uncertain, and its wide host range and lack of resistant cultivars mean that damage can be severe, making it more difficult to control.

This fact sheet covers the symptoms, spread and management of guava root-knot nematode.

A Vietnamese version of this fact sheet is available here.