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BIBTEX RIS

Effects of integrated pest management, biological control and prophylactic use of insecticides on the management and sustainability of soybean

2011; Elsevier BV; Volume: 30; Issue: 7 Linguagem: Inglês

10.1016/j.cropro.2011.02.021

1873-6904

Adeney de Freitas Bueno, M. J. Batistela, Regiane Cristina Oliveira de Freitas Bueno, José de Barros França-Neto, Marcelo Akita Naime Nishikawa, Adeone Libério Filho,

Weed Control and Herbicide Applications

This study aimed to evaluate the prophylactic use of insecticides (PUI) in comparison with integrated pest management (IPM) and biological control (BC) strategies. Five replicated experiments were carried out independently in two Brazilian soybean-producing states, Goiás and Paraná, where those pest-control strategies were evaluated during two consecutive growing seasons. The evaluated treatments were integrated pest management (IPM); prophylactic use of insecticides (PUI), a practice that has been increasingly adopted by soybean growers in Brazil as well as in other Latin American countries; biological control (BC) and the control (C), which involved no pest treatment. Although the pest infestation rates in the BC and IPM treatments were higher than that in the PUI treatment, crop productivity, in general, was similar among these treatments and differed only from the control with no pest treatment. These results indicate that the prophylactic use of insecticides on soybeans does not result in higher productivity in the field and that this practice merely requires larger amounts of pesticides, which can impair the sustainability of the soybean crop. Therefore, the use of IPM still remains the best alternative for pest management in soybean fields.