Effect of two neem-derived pesticides on Colorado potato beetle (Leptinotarsa decemlineata Say) (Coleoptera: Chrysomelidae) under laboratory conditions

Pratik Doshi; Ferenc Tóth; György Túróczi

doi:10.18380/SZIE.COLUM.2020.7.2.5

Authors

Pratik Doshi Szent István University, Faculty of Horticultural Science, Institute of Plant Protection, Department of Integrated Plant Protection, Páter Károly u. 1., 2100 Gödöllo, Hungary
Ferenc Tóth Szent István University, Faculty of Horticultural Science, Institute of Plant Protection, Department of Integrated Plant Protection, Páter Károly u. 1., 2100 Gödöllo, Hungary
György Túróczi Szent István University, Faculty of Horticultural Science, Institute of Plant Protection, Department of Integrated Plant Protection, Páter Károly u. 1., 2100 Gödöllo, Hungary

DOI:

https://doi.org/10.18380/SZIE.COLUM.2020.7.2.5

Keywords:

azadirachtin, neem leaf extract, biological control, Colorado potato beetle, potato

Abstract

Mortality and antifeedant activity of two different neem-derived pesticides were investigated on larvae of Colorado potato beetle (Leptinotarsa decemlineata Say). In no-choice tests, mortality of larvae in- creased with increase in time period, meanwhile the feeding damage decreased with the increase of neem leaf extract concentration in contrast to NeemAzal T/S (1% azadirachtin) in which neither there was any signifi- cant difference in mortality nor on feeding damage. In the choice test, none of the treatments were lethal to the larvae tested. The larvae fed on the leaves irrespective of the treatment.

Author Biography

Pratik Doshi, Szent István University, Faculty of Horticultural Science, Institute of Plant Protection, Department of Integrated Plant Protection, Páter Károly u. 1., 2100 Gödöllo, Hungary

pratik.doshi159@gmail.com
corresponding author