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Development of Management Strategies Against Mango Fruit and Nut Weevil

M. H. Rashid
Scientific Officer
Entomology Division, BARI, Gazipur

A. K. M. M. Rahman
Chief Scientific Officer
Regional Agricultural Research Station, Hathazari, Chittagonj

Abstract/ Executive Summary:

An experiment was conducted at mango orchard, Regional Agricultural Research Station, Hathazari, Chittagong during the period of kharif, 2009. The highest number of infested fruits (13.83%) was obtained from untreated plants while the lowest (2.72%) from two sprays of Fenitrothion @2.5ml/L of water at an interval of 15 days starting from the pea size stage of mango.

Keywords: Mango, nut weevil, fenitrothion

Location: Hathazari, Chittagonj

Start Date: 02-03-2009

End Date: 02-06-2009

Program Area: Pest Management

Commodity: Mango

Objectives:

To develop a suitable management strategy against the mango fruit and nut weevil.

Methodology:

The experiment was conduced at mango orchard, Regional Agricultural Research Station, Hathazari, Chittagong during the period of kharif, 2009. The experiment was laid out as a RCB design with three replications. The applied treatments were as follows T₁ = Cultural control (Collection and destruction of all weeds, fallen leaves and twigs, old mango seeds and other debris and ploughing from a circular area with 4m radius around each tree base in the first week of January), T₂= Four Sprays of Neem seed extract @ 50g/L of water at an interval of 10 days starting from the pea size stage of mango,T₃ = Two Sprays of chloropyriphos (Dursban 20EC) @ 1ml/L of water at an interval of 15 days starting from the pea size stage of mango, T₄ = Two sprays of Dimethoate@ 2.5ml/L of water at an interval of 15 days starting from the pea size stage of mango, T₅ = Two Sprays of Fenitrothion 50 EC @ 2.5ml/L of water at an interval of 15 days starting from the pea size stage of mango and T6 = Untreated control. Each experimental cell was a single tree. Sprays were applied with a foot-operated high volume sprayer, directed on the canopy and main trunks, where adults are observed to take rest.

Source of Information: Annual Report 2008-2009, Entomology Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 30,000.00

Total Budget (Tk.) : 30,000.00

Achievement/Findings:

Two sprays of Fenitrothion @2.5ml/L of water at an interval of 15 days starting from the pea size stage can successfully control mango fruit and nut weevil.

Knowledge Management: Report/Proceedings