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Annals of Plant Protection Sciences
Year : 2019, Volume : 27, Issue : 3
First page : ( 338) Last page : ( 341)
Print ISSN : 0971-3573. Online ISSN : 0974-0163.
Article DOI : 10.5958/0974-0163.2019.00074.0

Evaluation of new alternatives to neonicotinoid insecticides against sucking insect pests of Okra

Saha Tamoghna*, Kumar Randhir1, Chandran Nithya2

Department of Entomology, Bihar Agricultural University, Sabour-813 210, Bhagalpur (Bihar)

1Department of Horticulture (Veg. & Flori.), Bihar Agricultural University, Sabour-813 210, Bhagalpur (Bihar)

2Division of Entomology, ICAR-IARI, New Delhi-110 012

*tamoghnasaha1984@gmail.com

Online published on 12 December, 2019.

Abstract

Three sprays were carried out and thus, the data obtained revealed that, flonicamid 50 WG @ 0.4 ml/Lit. was found significantly superior to manage leafhopper and whitefly (2.98 & 2.09/3 leaves) population and it was followed by flonicamid 50 WG @ 0.3 ml/Lit. (3.19 & 2.29/3 leaves) and imidacloprid 17.8 SL (3.40 & 2.50/3 leaves). Similar finding was also reflected on yield and flonicamid 50 WG @ 0.4 ml/Lit. obtained highest (103.07 q/ha) yield among all the treatments and it was followed by flonicamid 50 WG @ 0.3 ml/Lit. (98.93 q/ha). None of the insecticides had adverse effect on natural enemies of leafhoppers and whiteflies in okra ecosystem.

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Keywords

Abelmoschus esculentus, Amrasca biguttula biguttula, Bemisia tabaci, Flonicamid.

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