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Low-volume concentrated sprays applied by ground equipment for control of the boll weevil

Low-volume concentrated sprays applied by ground equipment for control of the boll weevil

J Econ Entomol 59(1): 114-116

During 1964 low-volume concentrate spray was evaluated for control of the boll weevil, Anthonomus grandis Boheman. Technical malathion applied with ground equipment gave excellent weevil control. Commercially available nozzles (Spraying Systems 730023 or equivalent) were fitted to a high-clearance sprayer. With this system it was possible to apply 25 ounces of technical malathion (2 pounds) per acre. To apply smaller amounts of technical malathion with these nozzles, it was necessary to use water to make up the necessary volume. With sufficient agitation water and technical malathion will stay in suspension. When the water and malathion droplet strikes the cotton leaf the water evaporates leaving only the technical malathion. It is possible for this system to be adapted to existing sprayers with very few modifications.

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Accession: 014550195

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DOI: 10.1093/jee/59.1.114

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