Non-chemical pest management may not be effective against common pests like beetles, moths and psocids in grain storage. This manual includes information on using phosphine for effective pest management.

Key points

• Phosphine (PH3) is the most successful and cost-effective chemical fumigant available for killing all types of pests in stored grains and commodities.
• Best management practices are needed for its use to help slow the development of insect resistance, which is already strong and has been building for decades.
• An integrated resistance management strategy, which has several components, will prolong the use of phosphine.
• Extensive scientific research has been done into phosphine fumigation practices, causes of insect resistance, and tactics to destroy resistant pest population.
• Sustaining the effectiveness of phosphine is critical to the integrity and competitiveness of Australia’s post-harvest grain supply chain.

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