Grain bags – Fumigation

Stored Grain bag fumigation

Two methods for fumigating and venting grain bags with phosphine have been trialed. While passively venting a grain bag is possible, it takes significantly longer than using a fan to draw the gas out. 

Below is a video of Philip Burrill demonstrating the quicker method of venting using a fan. In the video below that, Chris Warrick demonstrates a passive method and outlines what to expect. 

Always follow label directions and use the specified Personal Protective Equipment. 

Venting with a fan

Venting passively without a fan

Diagnosing pest using digital microscopes

Stored Grain Diagnosing pest

Its not always easy to tell the difference between types of damaging stored grain pests. Mark Stanaway from the Queensland University of Technology can show you how using cheap digital microscopes in these two videos – on Cryptolestes (grain beetles) and Sitophilus (grain weevils)

For assistance identifying storage pests, or confirmation of an identification contact the DAF Queensland postharvest grain protection team on 07 3255 4439 or a member of the Grain Storage Extension Team on 1800 WEEVIL (1800 933 845)