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Efficacy of Mustang Max (F0570) for Insect Pest Control in Cotton

W. Davis Martin, H. Gary Hancock, Tom I. Crumby, and Joe Reed

ABSTRACT

Zeta-Cypermethrin has been extensively evaluated in field efficacy trials during the past years for control of the major insect pests of cotton. Mustang Max, a new zeta-cypermethrin formulation with an optimized content of the most active isomer, was evaluated in 2001-02 to determine efficacy. Mustang Max was also compared to standard insecticides currently being used in cotton. In field efficacy trials, Mustang Max applied at 0.018 lb ai/A provided commercially acceptable control of Helicoverpa zea (Boddie) better than that of Karate, Baythroid, Leverage, Denim, Steward and Decis at rates of 0.028, 0.028, 0.068, 0.01, 0.1 and 0.02 lb ai/A, respectively. Mustang Max at 0.018 lb ai/A also provided acceptable control of Lygus lineolaris (Palisot de Beauvois) better than Karate, Baythroid, Steward, Intruder, Centric, Denim and Decis at rates of 0.028, 0.028, 0.10, 0.044, 0.048, 0.01 and 0.02 lb ai/A respectively. Nezara viridula control with Mustang Max at 0.018 lb ai/A was equal to Bidrin at 0.5 lb ai/A and better than Intruder, Centric or Karate at 0.044, 0.062, and 0.028 lb ai/A respectively. Aphis gossypii, Glover, control with Mustang Max at 0.018 lb ai/A was somewhat less than Provado, Actara or Leverage at 0.047, 0.063 and 0.068 lb ai/A respectively and better than Baythroid at 0.028 lb ai/A.





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Document last modified April 16, 2003