When to fumigate stored grain

This article outlines best practice for determining when to fumigate stored grain, highlighting the importance of cooling, monitoring, and gas-tight storage. It explains the risks of fumigating too early, relying on calendar-based treatments, and poor sealing, while reinforcing that effective fumigation depends on correct timing, temperature, and exposure periods.

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Phosphine Best Management Practices: Disinfesting stored commodities

Phosphine remains the most widely used fumigant in Australia’s grain industry due to its effectiveness, low cost, and residue-free status. However, increasing resistance among key insect pests highlights the need for strict adherence to best practice guidelines.

This comprehensive manual outlines:
1. Proper application methods across different storage types (silos, bunkers, sheds)
2. Critical factors such as gas concentration, exposure time, temperature, and moisture
3. Equipment for monitoring gas levels and ensuring safe fumigant handling
4. Strategies to delay and manage resistance, including use of sulfuryl fluoride and integrated pest management

Compiled by leading experts including Dr Manoj Nayak, Dr Joanne Holloway, Chris Warrick, and Patrick Wilson, this document is a valuable resource for growers, storage operators, and advisors working to maintain grain quality and market access.

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Insect Control and Effective Fumigation Help Guard Your Harvest

Protecting your harvest from insect threats requires diligent control and precise fumigation practices. In GRDC’s article, Insect Control and Effective Fumigation Help Guard Your Harvest, the focus is on strategies to enhance biosecurity and preserve grain quality. Key points include:

Fumigation Best Practices: Effective fumigation techniques are critical for eliminating pests while safeguarding the crop.
Biosecurity Measures: A strong biosecurity approach helps prevent insect infestations before they become a threat.
Integrated Pest Management: Using a combination of methods, including proper storage and sanitation, can minimize pest risks.
Stay informed on the best methods to protect your harvest and ensure grain quality

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