Application methods and insecticides for controlling stink bugs in soybean

Authors

  • Rubens Alex Fiorin Universidade Federal de Santa Maria
  • Glauber Renato Stürmer Universidade Federal de Santa Maria
  • Jerson Vanderlei Carús Guedes Universidade Federal de Santa Maria
  • Ivan Francisco Dressler da Costa Universidade Federal de Santa Maria
  • Clérison Régis Perini Universidade Federal de Santa Maria

DOI:

https://doi.org/10.5433/1679-0359.2011v32n1p139

Keywords:

Chemical control, Low volume oily, Pentatomidae.

Abstract

Insecticides application is the most widely used form to control stink bugs in soybean, being the application technology and the insecticide used the major factors for an efficient control. The experiment was conducted in a soybean field during the 2008/09 growing season, in São Sepé, RS, in order to evaluate efficiency of three methods of application and two insecticides for controlling stink bugs in soybeans. The experimental design used was completely randomized, in a factorial scheme 3x2 +1 control, with five replicates. The experimental units had dimensions of 40.0 x 40.0 m. The factor A was represented by the methods of application, as follows: A1- Tractorized spray with hydraulic nozzle; A2- Aerial, with rotary disc atomizers and A3- Aerial, with hydraulic nozzles. The factor B was represented by the insecticides, as follows: B1- thiamethoxam + lambda-cyhalothrin and B2-acephate. Ground and aerial applications with low volume oily had greater efficiency for controlling stink bugs in soybean, where led to an increase in soybean grain yield. Insecticides thiamethoxam + lambda-cyhalothrin and acephate were similar in controlling stink bugs and in residual effect.

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Author Biographies

Rubens Alex Fiorin, Universidade Federal de Santa Maria

Engº Agrº Msc., Universidade Federal de Santa Maria, UFSM.

Glauber Renato Stürmer, Universidade Federal de Santa Maria

Aluno do Programa de Pós-graduação em Agronomia, Universidade Federal de Santa Maria, UFSM.

Jerson Vanderlei Carús Guedes, Universidade Federal de Santa Maria

Prof., Dr., Departamento de Defesa Fitossanitária, Universidade Federal de Santa Maria, UFSM/CCR/DFS, Prédio 42, sala 3225, Av. Roraima, 1000, CEP:97105-900, Santa Maria, RS.

Ivan Francisco Dressler da Costa, Universidade Federal de Santa Maria

Prof., Dr., Departamento de Defesa Fitossanitária, Universidade Federal de Santa Maria.

Clérison Régis Perini, Universidade Federal de Santa Maria

Aluno do Curso de Agronomia, Universidade Federal de Santa Maria.

Published

2011-03-31

How to Cite

Fiorin, R. A., Stürmer, G. R., Guedes, J. V. C., Costa, I. F. D. da, & Perini, C. R. (2011). Application methods and insecticides for controlling stink bugs in soybean. Semina: Ciências Agrárias, 32(1), 139–146. https://doi.org/10.5433/1679-0359.2011v32n1p139

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Articles