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Development of Management Package Against Fruit Borer (virachola Isocrates F) of Pomegranate

M.A. Uddin

M.S. Akhter

G.C. Biswas

Abstract/ Executive Summary:

A research work on the fruit borer (Virachola isocrates F.) of Pomegranate was conducted at Fruit Research Station, Binodpur, Rajshahi during 2009-2010 to know incidence, nature and extent of damage and effect of different control measures. Four different control approach viz wrapping of fruits by waxy paper, wrapping of fruits by used cloths and wrapping of fruits by perforated polybags and inundated release of bio-control agent, (Trichogramma chilonis and Bracon hebetor) were included in the experiment to evaluate their effectiveness against pomegranate butterfly. The per cent infestation was the highest (46.66%) in the untreated control plants which was identical to inundated release of bio control agents treated plants. The least 0% infestation was found in plants treated by all types of wrapping. To control the pomegranate fruit borer all types of wrapping showed the best result with 100% reduction over control. Inundated release of bio control agent reduced 57.13% infestation.

Keywords: Fruit borer,Pomegranate

Location: Fruit Research Station, Binodpur, Rajshahi

Start Date: 00-01-2010

End Date: 00-06-2010

Program Area: Pest Management

Commodity: Pomegranate

Objectives:

To know the incidence, nature and extent of damage and effect of various types of wrapping and bio control agent as non-chemical control measures.

Methodology:

The experiment was conducted at the Fruit Research Station, Binodpur, Rajshahi during January to June 2010. The experiment was laid out in randomized completed block design with three replications. Two trees served as a replication. Local cultivar of pomegranate was used in this experiment. There were 5 treatments viz – T₁= wrapping of fruits by waxy paper, T₂ = wrapping of fruits by used cloth, T₃= wrapping of fruits by perforated polybag, T₄ = inundated release of bio control agents, Trichogramma chilonis and Brocon hebetor, T₅ = Control (untreated). All types of wrapping were done at the marble stage of fruit. Ten fruit for each treatment were selected. For the release of bio control agent seperate pomegranate garden consists of six plants were selected and bio control agents were released weekly. Five times bio control agents were released. After continuous observation total number of healthy and infested fruits were recorded and per cent infestation was calculated.

Source of Information: Annual research report, HRC,BARI, Joydedpur, Gazipur,2009-2010

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

All types of wrapping showed 0% infestation, on the other hand the highest 46.66% infestation was found in untreated control which was identical to inundated release of bio control agents treated plants. Among the treatments all types of wrapping performed best result with 100% reduction of fruit infestation and inundated release of bio control agent reduced 57.13% fruit infestation by Virachola isocrates over control.All types of wrapping found to be very effective and release of bio control agent might be promising in controlling pomegranate butterfly.

Knowledge Management: Report/Proceedings