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Evaluation of Malathion, Synergized Pyrethrum, and Diatomaceous Earth on Shelled Corn as Protectants Against Insects … in Small Bins

Author

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  • La Hue, Delmon W.

Abstract

Excerpts from the report: The primary objective of this study was to compare the effectiveness of malathion and synergized pyrethrum emulsions and a diatomaceous earth (inert dust) as protectants of shelled corn against insect attack. In general, three phases of testing are required to develop a protective treatment for grain; namely, (1) a preliminary laboratory evaluation of candidate insecticidal materials, (2) an intermediate, small-bin evaluation, and (3) full-scale bin, elevator, and warehouse tests. Only the materials and dosages that demonstrate effective possibilities in the small-bin tests are field tested on a large scale. In this test, two dosage levels of malathion and single dosages of a synergized pyrethrum and a diatomaceous earth were tested, using the small-bin method intermediate between the laboratory-type, small-jar tests and the full- scale field applications.

Suggested Citation

  • La Hue, Delmon W., 1966. "Evaluation of Malathion, Synergized Pyrethrum, and Diatomaceous Earth on Shelled Corn as Protectants Against Insects … in Small Bins," Marketing Research Reports 312266, United States Department of Agriculture, Agricultural Marketing Service, Transportation and Marketing Program.
    • Handle: RePEc:ags:uamsmr:312266
    DOI: 10.22004/ag.econ.312266
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