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Fumigation of Tobacco in Polyethylene Lined Cases with Methyl Bromide by Terence W. Hill is a Agricultural and Biological Sciences article available to read on EtoBox.

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## Abstract Experimental fumigations of cased tobacco with methyl bromide to control the Cigarette beetle (Lasioderma serricorne) were conducted at low temperatures. Two stowages, each of 120 × 181 kg cases, were built and made gas‐tight with seamless polyethylene film. Methyl bromide was introduced into each stowage at a concentration of 64 g/m^3^. Gas concentrations were monitored at a depth of 15 cm into the tobacco and at the centre of cases. Six cases (two open, two with folded polyethelene liners and two with heat‐sealed polyethylene liners) were sampled in each stowage. Good penetration was achieved when atmospheric temperatures ranged from 6.5 to 8.5°. It is concluded, therefore, that tobacco fumigations with methyl bromide may be carried out satisfactorily in cold weather, providing that temperatures do not fall to a level at which insects become highly tolerant to the fumigant. However, amounts of fumigant reaching the centre of the heat‐sealed cases were insufficient to ensure the effectiveness of such treatments in all situations. It is recommended, therefore, that the procedure of slitting polyethylene liners of heat‐sealed cases before fumigation be continued.

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Author

Terence W. Hill

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

1977

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)