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A biological method for methyl bromide assay in fumigation.

Muthu, M. and Rajendran, S. (1979) A biological method for methyl bromide assay in fumigation. International Pest Control, 21 (1). 8-9; 1 fig.; 3 ref..

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Abstract

A bioassay method to determine concentrations of methyl bromide used for fumigation is described and a straight-line graph is presented for use as a ready-reckoner for concentrations in mg/litre based on observed knockdown times. A 20-ml glass syringe containing 30 adults of Sitophilus oryzae (L.) 2-3 weeks old was the 'gas-analyser' and a gas sample was withdrawn into the syringe and plugged. The time required for 100% knockdown was noted and the concentrations associated with this exposure time were read from the graph. Concentrations between 8 and 80 mg/litre were investigated.

Item Type: Article
Uncontrolled Keywords: methyl-bromide; bioassays-; techniques-; pesticides-; agricultural-entomology
Subjects: 600 Technology > 03 Agriculture > 05 Insect/Pest Control
Divisions: Food Protectants and Infestation Control
Depositing User: Food Sci. & Technol. Information Services
Date Deposited: 14 Nov 2014 12:29
Last Modified: 28 Dec 2016 08:39
URI: http://ir.cftri.com/id/eprint/8473

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