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Test of New Chemical Acaricides Against Jute Yellow Mite Under Natural Condition

N.Sultana
CSO
Entomology Department,Pest Management Division,BJRI, Manik Mia Avnue, Dhaka-1207.

N.Islam
SO
Entomology Department,Pest Management Division,BJRI, Manik Mia Avnue, Dhaka-1207.

Abstract/ Executive Summary:

The experiment was conducted in the field of Central station, Dhaka and JAES, Manikganj following RCBD with three replications to evaluate the efficacy against jute yellow mite and recommendation for jute growers.All the Three new acaricides Haysulf DF 80, Axivit DF 80 and prosulf DF 80 were found effective in controlling yellow mite giving 96.30%, 94.61% and 92.60% mortality respectively at Central Station, Dhaka at 72 hrs. of exposure. The percent reduction of plant infestation at 10 days after treatment were more than 90% at both test places. Haysulf, Axivit and prosulf @ 0.12% a.i. may be recommended for grower to control yellow mite.

Keywords: Test, New acaricides, Yellow mite, Jute

Location: Central station, Dhaka, JAES, Manikganj

Start Date: 30-03-2003

End Date: 30-10-2003

Program Area: Pest Management

Commodity: Jute

Objectives:

To evaluate new chemical acaricides against jute yellow mite
To recommend jute growers for control of jute yellow mite

Methodology:

Experiments were conducted at Central station, Dhaka and JAES, Manikganj in randomized plots with three replications. After sufficient natural infestation of yellow mite build up in the field, selected acaricides Haysulf DF 80, Axivit DF 80 and Prosulf DF 80 @ 0.12% a.i. was sprayed along with standard acaricide Cossavate 80 DF. The control plots were remain untreated. Population of mite was recorded by examining leaf sample (1 sq.cm) under bionocular microscope before sp[ray and corrected percentage of mortality was oberved at 24, 48 and 72 hrs. After spray only at Central station, Dhaka . Percent reduction of plant infestation was recorded at 5 and 10 days after treatment in both the test places.

Source of Information: nnual Report,2003, BJRI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Five thousands taka only

Total Budget (Tk.) : Five thousands taka only

Achievement/Findings:

Three new acaricides Haysulf DF 80, Axivit DF 80 and prosulf DF 80 were found effective in controlling yellow mite giving 96.30%, 94.61% and 92.60% mortality respectively at Central Station, Dhaka at 72 hrs. of exposure. The percent reduction of plant infestation at 10 days after treatment were more than 90% at both test places. Haysulf, Axivit and prosulf @ 0.12% a.i. may be recommended for grower to control yellow mite.

Knowledge Management: Report/Proceedings