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Development of Eco-friendly Management Tactics in Controlling Coconut Mite, Aceria Guerreronis in Southern Region

M.A. Rahman
Scientific Officer
RARS, Rahmatpur, Barisal

M. M. Rahman
Scientific Officer
Regional Agricultural Research Station, Rahmatpur, Barisal

M.H. Ullah
Chief Scientific Officer
Regional Agricultural Research Station, Rahmatpur, Barisal

Abstract/ Executive Summary:

The studies on the eco-friendly management against coconut mite were carried out under field condition at Regional Agricultural Research Station, Rahmatpur, Barishal during 2010-11. The results revealed that sanitation along with spraying vertimec 018 EC @ 1.5 ml/L of water was the most effective treatment and reduced 62.26% mite population over control.The lowest damaged nut (43.75% by number) was also recorded from this management option.

Keywords: Coconut Mite, Aceria guerreronis,

Location: RARS, Barisal

Start Date: 10-09-2010

End Date: 12-05-2011

Program Area: Pest Management

Commodity: Coconut

Objectives:

To find out most effective management approach against coconut mite

Methodology:

The studies on the eco-friendly management against coconut mite were carried out under field condition at Regional Agricultural Research Station, Rahmatpur, Barishal during 2010-11. The selected coconut trees were in the age group of 10-15 years reaching 6 to 8 m height. The experiment was laid out in a randomized block design with five treatments which was replicated thrice. The different treatments used for the experiment were: T₁=Sanitation (Removal of mite infested nuts and dry leaves, and thinning of nut population in profusely fruiting trees) T₂= Application of smoke with fallen coconut leaves T₃=Spraying of vertimec 1.8EC @ 1.5 ml/L of water T₄= Sanitation + Spraying of vertimec 1.8EC @ 1.5 ml/L of water T₅= Untreated control. The treatments were applied three times at 20 days interval. Three infested nuts from 2 bunches per treatment were collected and brought to the laboratory to observe the mite population. From each nut three inner surface of the inner perianths and three sliced nut surface areas below the perianth were selected for taking observations. Observations on the mite population were recorded using the stereobinocular microscope in an area of 28.28 mm2 on a day before and 2 months after each treatment. These observations were made before treatments and 2 months after imposition of treatments. Number of damaged, healthy and total nuts per 2 bunches were also recorded.

Source of Information: Annual Report 2010-2011, Entomology Division, BARI , Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 40,000.00

Total Budget (Tk.) : 40,000.00

Achievement/Findings:

The results revealed that sanitation along with spraying vertimec 018 EC @ 1.5 ml/L of water was the most effective treatment and reduced 62.26% mite population in coconut over control.The lowest damaged nut (43.75% by number) was also recorded from this management option.

Knowledge Management: Report/Proceedings