Foliar consumption of potato under different dyes of Meliaceae and neen oil by adults of Diabrotica speciosa (Germar, 1824) (Coleoptera:Chrysomelidae)

Authors

  • Marcio de Medeiros Gonçalves EPAGRI
  • Carlos Alberto Medeiros Embrapa Clima Temperado,Pelotas/RS, Brasil,
  • Dori Edson Nava Embrapa Clima Temperado,Pelotas/RS, Brasil,

DOI:

https://doi.org/10.33240/rba.v6i2.49220

Keywords:

Botanic inseticide, Antifeedant, Agroecology

Abstract

Tests were carried out to evaluate the foliar consumption of potato under different dyes of meliáceas and neem oil by Diabrotica speciosa (Ger.) were conducted in Entomologic Laboratory at Embrapa Clima Temperado, Pelotas, Brazil. Leaf discs from potato plants, grown in pots, were used intests with and without choice. For the essay with meliáceas, in the no-choice test Petri dish (90 mm) containing a disk of determined handling received a couple of adults, in the free-choice test Petri dish (140mm) containing a disk of each treatment received three couples of adults. They utilized the same methodology for the neem oil essay. The products of Trichilia claussenii C. DC. in the concentrations of 10 and 20% had the smaller areas consumed in the free-chance test. In the no-choice essay the smaller areas consumed were in treatment with T. claussenii and Cedrela fissilis L. In the free-choice essay with neem oil, no treatment was differentiated of the water control. In the free-choice essay all of the treatments had smaller values of consumption than the control.

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Published

2011-08-31

How to Cite

Gonçalves, M. de M., Medeiros, C. A., & Nava, D. E. (2011). Foliar consumption of potato under different dyes of Meliaceae and neen oil by adults of Diabrotica speciosa (Germar, 1824) (Coleoptera:Chrysomelidae). Revista Brasileira De Agroecologia (Brazilian Journal of Agroecology), 6(2), 92–100. https://doi.org/10.33240/rba.v6i2.49220

Issue

Vol. 6 No. 2 (2011)

Section

Articles

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Copyright (c) 2011 autor

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