Efeito de tratamentos químicos alternativos no controle de Diaphania spp. (Lepidoptera: Crambidae) em pepino - DOI: 10.4025/actasciagron.v29i3.274

Alvimar Bavaresco

doi:10.4025/actasciagron.v29i3.274

Effect of alternative chemical treatments on the Diaphania spp. (Lepidoptera: Crambidae) control in cucumber - DOI: 10.4025/actasciagron.v29i3.274

Alvimar Bavaresco Epagri

DOI: https://doi.org/10.4025/actasciagron.v29i3.274

Abstract

The pickleworms Diaphania nitidalis and D. hyalinata are important pests of cucumber, damaging the canopy of the plants. In general, insecticides with high toxicity and low selectivity to natural enemies are used to control this pest. The objective of this work was to evaluate the effect of alternative chemical treatments on the control of pickleworms in cucumber. The evaluated treatments were: 1 – Bacillus thuringiensis var. kurstaki (Dipel PM^®); 2 –Neem oil (Dalneem^®), 3 – Chinaberry seeds extract (Melia azedarach); 4 – Chinaberry leaves extract; 5 – Prunus sellowii and Capsicodendron dinisii leaves extract; 6 – Control (without application). Four applications of the alternative treatments were made at seven days interval. The evaluation of pest damages was carried out seven days after the fourth application. The biological insecticide Dipel PM^® showed the higher control efficiency, reducing damages in buds (33.3%) and fruits (25.9%). The neem oil (Dalneem^®) and the extracts of seeds and leaves of M. azedarch and leaves of P. sellowii + Capsicodendron dinisii had the same performance in relation to the control.

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Author Biography

Alvimar Bavaresco, Epagri

Possui graduação em Agronomia pela Universidade Federal de Santa Maria (1997), mestrado em Agronomia (Fitossanidade) pela Universidade Federal de Pelotas (2000) e doutorado em Fitossanidade (Entomologia) pela Universidade Federal de Pelotas (2004). Durante o período de 2002 a 2007 exerceu a atividade de Agente Técnico de Formação Superior III, função - Pesquisador, da Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina S.A. (EPAGRI). Atualmente ocupa o cargo de Fiscal Federal Agropecuário do Ministério da Agricultura. Sua produção científica abrange as áreas de biologia de insetos, manejo de pragas da fruticultura de clima temperado, manejo de pragas de hortaliças e controle de insetos em feijão armazenado Currículo Lattes

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Published

2007-11-14

How to Cite

Bavaresco, A. (2007). Effect of alternative chemical treatments on the Diaphania spp. (Lepidoptera: Crambidae) control in cucumber - DOI: 10.4025/actasciagron.v29i3.274. Acta Scientiarum. Agronomy, 29(3), 309-313. https://doi.org/10.4025/actasciagron.v29i3.274

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Issue

Vol 29 No 3 (2007)

Section

Crop Protection

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