Madras Agricultural Journal
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EFFICACY OF NUCLEAR POLYHEDROSIS VIRUS AGAINST Spodoptera litura ON GROUNDNUT IN DIFFERENT LOCATIONS OF TAMIL NADU

Abstract

Field trials conducted against Spodoptera litura (Fb.) with nuclear polyhedrosis virus (NPV) on groundnut (Arachis hypogaea L.) in eight different locations of Tamil Nadu revealed that two rounds of application of NPV at 250 Larval equivalent (LE)/ha with the adjuvant crude sugar at 2.5 kg/ha at ten days interval was significantly superior than untreated check in reducing the larval population and increasing the pod yield. irrespective of the locations tested.

Keywords: Spodoptera litura, Groundnut, NPV, Tamil Nadu

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