Protectivity of Plant Extract against 3rd in Star Larva of Helicoverpa Armigera

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Alok Kumar Pandey

Abstract

Most effective ar.Econeem was the least effective out of Nine plant extracts viz..Bioneem, Replin, Allium cepa, Achyranthusaspera, Jatrophacurcas, Neemazal. Nimbicidene Neemarin and Econeem were 20.8915, 11.4851, 2.8185, 2.0889, 1.4129, 1.23235, 1.2178, 10234 and 1.000 times protective respectively.

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