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Evalution of New Acaricides Against Yellow Mite of Jute

Md. Farukuzzaman
CSO
Entomology Department,Pest Management Division, BJRI, Manik Mia Avenue, Dhaka-1207

Md.Nazrul Islam
SSO
Entomology Department,Pest Management Division,BJRI, Manik Mia Avenue, Dhaka-1207

Md. Shahin Polan
SO
Entomology Department,Pest Management Division,BJRI, Manik Mia Avenue, Dhaka-1207

Md. Kamruzzaman
SO
Entomology Department,Pest Management Division,BJRI, Manik Mia Avenue, Dhaka-1207

Abstract/ Executive Summary:

Experiments were conducted at Central station, Dhaka and JAES, Manikganj in randomized plots with 3 replications. After sufficient natural infestation of yellow mite built up in the field. Selected Insecticides Rexivit 80 WP and Edsulf DF were sprayed along with standard haysulf DF 80 @ 0.12% a.i. (2.2kg/ha). The control plots were remain untreated. Population of mite was recorded by examining leaf sample (1 sq.cm) under binocular microscope before spray and recorded percentage of mortality was observed at 24, 48 and 72 hours after spray only at Central station, Dhaka. Percent reduction of plant infestation was recorded at 3, 7 and 10 days after treatment in both the test places.

Keywords: New, Acaricides, Jute, Yellow mite

Location: Central station, Dhaka, JAES, Manikganj

Start Date: 30-03-2006

End Date: 30-11-2006

Program Area: Pest Management

Commodity: Jute

Objectives:

To determine the efficacy of new acaricides against jute yellow mite

Methodology:

Experiments were conducted at Central station, Dhaka and JAES, Manikganj in randomized plots with 3 replications. After sufficient natural infestation of yellow mite built up in the field. Selected Insecticides Rexivit 80 WP and Edsulf DF were sprayed along with standard haysulf DF 80 @ 0.12% a.i. (2.2kg/ha). The control plots were remain untreated. Population of mite was recorded by examining leaf sample (1 sq.cm) under binocular microscope before spray and recorded percentage of mortality was observed at 24, 48 and 72 hours after spray only at Central station, Dhaka. Percent reduction of plant infestation was recorded at 3, 7 and 10 days after treatment in both the test places.

Source of Information: Annual Report,2006, BJRI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Five thousands taka only

Total Budget (Tk.) : Five thousands taka only

Achievement/Findings:

: Acaricides Rexivit 80WP and Edsulf DF 80 @ 2.25 and 1.5kg/ha, respectively were found effective in controlling yellow mite giving 88.11 and 90.21% mortality, respectively at Central Station, Dhaka after 72 hours of exposure. The percent deduction of plant infestation at 10 days after treatment were about 88% at Central Station and mote than 95% at JAES, Manikganj. Rexivi 80WP and Edsulf DF 80 @ 2.25 and 1.5kg/ha. recommended to growers for the control of yellow mite.

Knowledge Management: Report/Proceedings