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Effect of fumigation temperature on the efficacy of phosphine against strongly resistant psocids Liposcelis bostrychophila (Psocoptera: Liposcelididae)

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Nayak, M. K., Collins, P. J. and Pavic, H. (2003) Effect of fumigation temperature on the efficacy of phosphine against strongly resistant psocids Liposcelis bostrychophila (Psocoptera: Liposcelididae). In: Advances in Stored Product Protection. Proceedings of the 8th International Working Conference on Stored Product Protection, York, UK, 22-26 July, 2002. CABI Publishing, UK. ISBN 978-0-85199-691-2

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Article Link: https://doi.org/10.1079/9780851996912.0654

Abstract

Four concentrations of phosphine (0.1, 0.17, 0.3 and 1 mg/litre) were evaluated for their effectiveness against the strongly resistant L. bostrychophila at fumigation temperatures of 20, 25, 30 and 35°C. The lowest number of days required to achieve population extinction was evaluated. At any fixed concentration of phosphine, the number of days to population extinction decreased as the fumigation temperature increased from 20 to 30°C. At 0.1 mg/litre and 20°C, more than 14 days were required to completely control the insects; at 30°C, only 7 days were required. The increase in the fumigation temperature from 25 to 30°C substantially reduced the exposure period needed to achieve population extinction of resistant psocids.

Item Type:Book Section
Subjects:Plant culture > Harvesting, curing, storage
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:28 Jan 2024 22:32
Last Modified:28 Jan 2024 22:32

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