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Pesticide Research Journal
Year : 1989, Volume : 1, Issue : 1
First page : ( 33) Last page : ( 34)
Print ISSN : 0970-6763. Online ISSN : 2249-524X.

Toxicity of Some Insecticides Against Heliothis armigera Hbn. and Exelastis atomosa Wlsm.

Debnath M., Singh S.P., Ray R., Hameed S.F.

Department of Entomology, Rajendra Agricultural University, Pusa, (Samastipur) 848 125, India

Online published on 15 December, 2011.

Abstract

Relative toxicity of endosulfan, monocrotophos, quinalphos, fenilrolhion, DDVP, malalhion and phosalonc was studied in laboratory during 1987 against the third kistar larvae of Heliothis armigera Ubn. and neonate larvae of Exelastis atomosa Wlsm. On the basis of their LC50, monocrotophos and quinalphos were found to be highly toxic; DDVP, phosalone, fenilrolhion and endosulfan moderately toxic and malalhion as the least toxic compound against H. armigera. Against E. alomosa monocrotophos, quinalphos and fenitrothion were highly toxic, endosulfan and DDVP moderately toxic and phosalonc and malalhion the least loxic insecticides.

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