The Residual Property of DDT as Influenced by Temperature and Moisture
- 1 June 1949
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Economic Entomology
- Vol. 42 (3) , 420-423
- https://doi.org/10.1093/jee/42.3.420
Abstract
Screens treated with 5% DDT in kerosene and held at 37[degree] C in moist conditions showed a marked reduction in effectiveness against house flies over a period of 39 mos., while similar screens held at 23[degree] remained highly effective for the same period. Both high temp. (37[degree] C) and high moisture (60 to 75% R. H.) produced a more rapid reduction in toxicity of DDT than low temp. (23[degree] C) and low moisture (25 to 40% R. H.).Keywords
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