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Development of a Management Approach Against the Shoot and Fruit Borer Attacking Okra

M.I.Islam
Senior Scientific Officer
Regional Agricultural Research Station, Jessore

F. M. A. Rouf
Principal Scientific Officer
Regional Agricultural Research Station, Jessore

Abstract/ Executive Summary:

An experiment was carried out during kharif 2012 at Regional Agricultural Research Station, Jessore to develop effective management approach for the control of shoot and fruit borer of okra. The management approach comprising of collection and destruction of infested shoots and fruits + Spraying of Proclaim (Emamectin benzoate) 5SG @ 1 g/L of water) was found most effective against pod borer. This package resulted the highest (54.62%) reduction of shoot and fruit borer infestation over control and also provided the highest yield (10.27 t/ha).

Keywords: Okra, Shoot and fruit borer, Management, IPM package

Location: Jessore

Start Date: 00-00-2012

End Date:

Program Area: Pest Management

Commodity: Okra

Objectives:

To develop an appropriate strategy for managing shoot and fruit borer of okra.

Methodology:

The experiment was carried out in kharif 2012 at Regional Agricultural Research Station, Jessore to develop an effective management approach for controlling shoot and fruit borer of okra. The experiment was laid out in a randomized complete block design with three replications. Okra seeds were sown on 22 March, 2012. The unit plot size was 3.0 m x 3.0 m and 60 cm row to row and 40 cm plant to plant distance maintained. The treatments were as follows: T₁ = Collection and destruction of infested shoots and fruits at 7 days interval from first incidence of pest infestation T₂ = T₁ + Spraying of Neem seed extract @ 50g /L of water at 7 days interval from first incidence of pest infestation T₃ = Spraying of Proclaim 5SG (Emamectin benzoate) @ 1 g/L of at 7 days interval from first incidence of pest infestation at 7 days interval T₄ = T₁ + weekly release of Bracon hebetor and Trichogramma chilonis at 7 days interval starting from 15 days after germination T₅ = T₁ + Spraying of Proclaim (Emamectin benzoate) 5SG @ 1 g/L of water at 7 days interval from first incidence of pest infestation. T₆ = Untreated Control The number of healthy and infested fruits were recorded and weighed to calculate percentage of infested fruits at each harvest.

Source of Information: Annual Report 2011-2012, Entomology Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.	Budget: 35,000.00

Total Budget (Tk.) : 35,000.00

Achievement/Findings:

Management approach comprising of collection and destruction of infested shoots and fruits + spraying of Proclaim (Emamectin benzoate) 5SG can effectively manage shoot and fruit borers of okra.

Knowledge Management: Report/Proceedings