Abstract
PROTECTION of bagged grain in storage from loss through insect attack has been the subject of much practical work in recent years. A method now widely accepted is stack fumigation with methyl bromide under gas-proof sheets, combined with a treatment of the outside of the bags with an insecticidal dust or spray. In a warm climate such as Kenya's the insecticidal treatment does not ‘seal’ the stack from re-infestation, and a second fumigation is often needed after only three months. The new method under trial involves the sealing of stacks with a polyethylene cover which costs no more than paper, and the investigation of fumigating with methyl bromide under such a gas-permeable covering.
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Graham, W. M., and Kockum, S. (unpublished work).
Hyde, M. B., and Oxley, T. A., Pest Infestation Res. Rep. 1956, 20.
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GRAHAM, W., KOCKUM, S. Fumigation under a Polyethylene Envelope. Nature 181, 1675 (1958). https://doi.org/10.1038/1811675a0
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DOI: https://doi.org/10.1038/1811675a0
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