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Field Experiments for Control of Thrips, Cotton Fleahoppers, and Overwintered Boll Weevils in 19601

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Sevin, Geigy 30494, toxaphene, Strobane, and toxaphene plus DDT were equally effective against thrips (Frankliniella spp.). Toxaphene plus DDT gave significantly better control of the cotton fleahopper (Psallus seriatus (Reuter)) than toxaphene alone or Strobane. Bayer 29493 gave good control of this pest, Shell SD-4402 poor control, and Geigy 30494 was ineffective. Good kills of over wintered boll weevils (Anthonomus grandis Boheman) were obtained with Shell Compounds SD-5539 and SD-5533, Geigy 30494, .Methyl Trithion, and Bayer 29493. Bayer 30911 was ineffective. Am. Cyanamid Anti-feeding compound 24055 was ineffective against thrips, the cotton f1eahopper, and overwintered boll weevils.

The chemical definitions of the insecticides with proprietary names mentioned above are: Strobane® (a mixture of chlorinated terpenes with about 66% of chlorine); Sevin® (1-naphthyl N-methylcarbamate); Geigy 30494(O,O-dimethyl S-(2,5- dichlorophenylthio) methyl phosphorodithioate); Bayer 29493 (O,O-dimethyl O-( 4-methylthio-m-tolyl) phosphorothioate); Shell SD-4402 (1,3,4,5,6,7,8,8-octachloro-3a,4, 7,7a-tctrahydro-4, 7-methanophthalan); Shell SD-5539 (dimethyl 1-(m-nitrobenzyl- oxyearbonyl)- 1-propen-2-yl phosphate); Shell SD-5533 (dimethyl 1-( p-nitrobenzyloxyearbonyl)-1-propen-2-yl phosphate); Methyl Trithion® (S-(p-chlorophenylthio) methyl O,O-dimethyl phosphorodithioate); Bayer 30911 (O-(2,4-dichlorophenyl) O- methyl methylphosphonothioate); Am. Cyanamid Anti-feeding Compound 24055 (4'-(dimethyltriazeno) acetanilide).

Document Type: Research Article

Publication date: October 1, 1961

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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