Field Evaluation of Insecticides for Control of Cotton Insects

Johnny R. Fitt, Jr. and George L. Teetes


 
ABSTRACT

Separate studies were conducted in cotton during 1984 to evaluate insecticides for control of cotton bollworm, Heliothis zea (Boddie) and tobacco budworm, Heliothis virescens (Fabr.) and carmine spider mite, Tetranychus cinnabarinus (Bois).In the bollworm/ budworm experiment, the addition of 6.25 percent vegetable oil resulted in fewer bollworm/budworm larvae and fewer bollworm/budworm damaged squares in plots treated with all insecticides except Cymbush®; differences were not statistically significant. Results from the carmine spider mite experiment showed that Kelihane® (2.0 lb (AI)/acre) and FMC 54800 (0.08 lb (Al)/acre) were both effective in controlling the carmine spider mite. Mavrik® (0.1 lb (AI)/acre) was ineffective.



Reprinted from 1985 Proceedings: Beltwide Cotton Production Research Conferences pp. 184 - 186
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998