Persian Journal of Acarology

A note on pesticide induced resurgence of two spotted spider mite, Tetranychus urticae (Acari: Tetranychidae) on grape

Authors

Chandragouda Patil 1
Shashikant Udikeri 1, 2
Shreeshail Karabhantanal 3

1 Department of Agricultural Entomology, College of Agriculture, Vijayapur-586 101,University of Agricultural Sciences, Dharwad-580005,Karnataka,India;

2 Present address: Agricultural Research Station, Dharwad Farm, Dharwad. PIN 580007, Karnataka: India

3 Department of Agricultural Entomology, College of Agriculture, Vijayapur-586 101, University of Agricultural Sciences, Dharwad-580005, Karnataka, India;

https://doi.org/10.22073/pja.v7i1.27987
Abstract
Recently incidence of Tetranychus urticae is a widespread issue in grape orchards in India. The possibility of a pesticide induced resurgence of mites was explored by applying field recommended doses of commonly used pesticides. The field trial revealed no resurgence with respect to dicofol, abamectin, spiromecifen, dichlorovos + fish oil resin soap and dinocap usage consecutively. Sulphur induced heavy resurgence (16.55%) with resurgence ratio of 1.05, followed by thiamethoxam (8.89%), acetamiprid (6.97%), imidacloprid (6.15%) and buprofezin (5.46%) with resurgence ratios of 0.81, 0.89, 0.87, and 0.88 respectively.

Keywords

Abamectin
dichlorovos fish oil resin soap
dicofol
dinocap
pesticides
resurgence
spiromecifen
Persian Journal of Acarology
Volume 7, Issue 1
Winter 2018
Pages 75-84

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