Test control of the two-spotted spider mite Tetranychus urticae Koch, 1836 with pesticides applied using electrodyn nozzle

Authors

  • F. Y. Arashiro Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia
  • J. M. Silva Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia
  • C. A. Sugamara Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia
  • R. Motta Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia
  • A. J. Raizer Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia
  • F. A. M. Mariconi Universidade de São Paulo; E.S.A. Luiz de Queiroz; Departamento de Zoologia

DOI:

https://doi.org/10.1590/S0071-12761987000200027

Keywords:

Tetranychus articae, two-spotted spider mite, electrodynamic spray

Abstract

In order to evaluate the action of two pesticides on the two-spotted spider mite on cotton a test was carried out in Santa Bárbara D'Oeste, State of São Paulo, Brazil. The treatments were six and the products were applied with manual Electrodyn nozzle: A - check (no treatment) ; B - bromopropylate (yellow nozzle), 173.3g Al/ha; C - bromopropylate (blue nozzle), 380.0g Al/ha; D, E, Fbiphenthrin (yellow nozzle), 23.7g, 38.lg and - 5g Al/ha, respectivelly. At day 4 after the spray the best result was obtained with biphenthrin (treatments D, E and F). At day 9 after the application the best results were obtained with two highest dosages of biphenthrin. Differences among the treatments were not significative except compared to the check.

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Published

1987-01-01

Issue

Vol. 44 No. 2 (1987)

Section

nao definida

How to Cite

Arashiro, F. Y., Silva, J. M., Sugamara, C. A., Motta, R., Raizer, A. J., & Mariconi, F. A. M. (1987). Test control of the two-spotted spider mite Tetranychus urticae Koch, 1836 with pesticides applied using electrodyn nozzle . Anais Da Escola Superior De Agricultura Luiz De Queiroz, 44(2), 1408-1418. https://doi.org/10.1590/S0071-12761987000200027