Abstract
APPLYING insecticides in the form of a smoke is a long-established practice. Pyrethrum has been used in this way by the Chinese for centuries, and burning nicotine shreds in glasshouses has been a common practice in Great Britain and elsewhere for a long time. These practices were empirical and there were little or no quantitative data on their effect.
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Insecticidal Smokes. Nature 161, 574–575 (1948). https://doi.org/10.1038/161574a0
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DOI: https://doi.org/10.1038/161574a0