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Research Article Open access CC BY 4.0

Evaluation of Botanicals against Rice Case Worm Parapoynx stagnalis Zeller. (Lepidoptera: Pyralidae)

Malini Nilamudeen, Karthikeyan K, Raji P, Arshad M V

Journal of Agriculture and Ecology Research International · pp. 1–4 · Published 22 Mar 2024

10.9734/jaeri/2024/v25i3588

Abstract

Rice, Oryza sativa L. is the staple food of two thirds of world population. Several insect pests are reported to cause damage to rice crop. Rice case worm, unlike other lepidopteran rice pests, have an aquatic larval period and hence depends on dissolved oxygen in the water drop it carries in its case, made from rice leaf. Application of insecticide spray, does not give much control of this pest. No botanicals are yet reported as effective against this pest. In the present study, six botanicals were tested on rice case worm under laboratory and field conditions. Of the six plants, Anamirta cocculus gave promising results at five percent concentration followed by Glyricida sepium under both field and laboratory conditions.

Rice case worm Anamirta cocculus Glyricida sepium single dose assay multiple dose assay caterpillars larval stage pest management

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