Abstract
IT has been reported by Schrader1,2 and other German workens that certain organo-phosphorous compounds have trong insecticidal properties. They act as contact insecticides, but also, in a less familiar manner, as ‘systemic’ insecticides, that is, they are absorbed by the roots or the leaves of a plant and render it to ic. The effect may be very persistent and this Wode of action would be of considerable economic.interest were it not for the fact that, with compunds tested to date, the treated plants are also toxic to mammals.
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References
Martin, H., and Shaw, H. . Developments in methods and materials for the control of plant pests and diseases in Germany. Rept. No. 1095. British Intelligence Objectives Sub-Committee. (London, 1948.)
Schrader, G. Rept. No. 714, ibid. (1948.)
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DAVID, W., KILBY, B. Preparation and Insecticidal Action of Bis (Bis-Dimethyl-Amino)-phosphonous Anhydride. Nature 164, 522–523 (1949). https://doi.org/10.1038/164522a0
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DOI: https://doi.org/10.1038/164522a0