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Assessment of Effectiveness of Pheromone Trap as Ipm Practice for Bsfb Management in Brinjal

M.H. Kabir
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.S. Rahman
Department of Agricultural Extension Education, Bangladesh Agricultural University, Mymensingh-2202

S. Khalil
Department of Agricultural Chemistry, Bangladesh Agricultural University, Mymensingh-2202

A.R. Khan
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M. S. Rahman
DAE, Khamarbari, Dhaka

Abstract/ Executive Summary:

An experiment was conducted in two locations (L1=Islampur and L2=Gafargaon) to evaluate the effectiveness of IPM practices for management of brinjal fruit and shoot borer (BSFB) in terms of number of affected shoots in different days after transplanting (DAT), total yield and cost benefit ratio (BCR). The experimental treatments were T₁ = Pheromone trap + Sanitation + Bio-control agent release, T₂ = Barrier cropping (Dhonia/Til) + Perching, T₃ = Pheromone trap + Spraying of Tracer, T₄ = Spraying of insecticide (Cartap) + Clean cultivation and T₅ = Control (farmers’ practices) with three replications followed by randomized complete block design (dispersed). Results showed that the maximum total yield of brinjal (34.09 t ha^-1) and BCR (4.00) were found in Gafargaon and the minimum (31.16 tha^-1) and BCR (3.66) in Islampur. In case of treatment effect the highest total yield of brinjal (50.62 t ha^-1) and BCR (5.81) were found from treatment T₁ and the lowest yield (20.72 tha^-1) and BCR (2.50 t ha^-1) were from treatment T₅. In case of interaction (location × treatment) effect the highest total yield (52.10 t ha^-1) and BCR (5.98) were found in Gafargaon × treatment T₁ and the lowest yield (20.27 t ha^-1) and BCR (2.45 t ha^-1) found in Islampur × treatment T₅.

Keywords: Assessment, Effectiveness, Pheromone trap, IPM and brinjal

Location: Gafargaon of Mymensingh district and Islampur of Jamalpur district

Start Date: 00-00-2009

End Date: 00-00-2009

Program Area: Pest Management

Commodity: Brinjal

Objectives:

1. To compare the conventional and IPM technology in controlling brinjal shoot and fruit borer in the farmer’s field of Gafargaon and Islampur.

Methodology:

Two locations (Gafargaon of Mymensingh district and Islampur of Jamalpur district) were taken in the farmer’s field for the study. The experimental treatments viz., T₁ = Pheromone trap + Sanitation + Bio-control agent release, T₂ = Barrier cropping (Dhonia/Til) + Perching, T₃ = Pheromone trap + Spraying of Tracer, T₄ = Spraying of insecticide (Cartap) + Clean cultivation and T₅ = Control (farmers’ practices) with three replications were accumulated in Randomized complete block design. The unit plot size was 1 bigha and the total no. of experimental plots was: 2 x 5 x 3 = 30. The spacing of transplanting of plant was 75cm×60cm. Data were taken in the following parameters viz., no. of affected plants, no. of unaffected plants, no. of affected shoots, total yield in t ha^-1 and BCR. General cultural practices were followed for brinjal cultivation (e.g., BARI recommended fertilizer dose, weeding, irrigation, etc.) except IPM practices. Effectiveness of brinjal IPM technology developed and recommended by AVRDC-BARI scientists have been tested using a participatory approach. Two groups of brinjal growers were organized – one group in Gafargaon and the other group in Islampur; each group comprised of 15 (i.e., 12 IPM +3 control) brinjal growers and each grower having one bigha of land planted to brinjal. The selected growers were motivated and trained on IPM production practices. They were also trained on record keeping and simple data collection on insect pest infestation, yield etc. Same variety of brinjal for two locations was used in the study which are called Bottle in Islampur and Bholanath in Gafargaon and that was locally very popular. Pest incidence in individual plot has been recorded and comparison made between the two groups management practices and within the treatments. Yield, production, and economic return of brinjal in each plot have been recorded in consultation with the participating growers. Two groups of farmers following different pest management practices have made treatment variables while each individual farmer has treated as a replication. All farmers have followed uniform production practices excepting pest management. In order to avoid spill over effect of IPM, the plots of different treatments have been setup quite apart from one another. 10 m² areas were taken for sample data collection. 4 samples area were taken in each farmers plot. Each 10 m² areas, on an average 22 no. of plants were found. All the data were taken from that sample area and calculated to find out its mean. Data were taken at 15 days interval from 30 to 135 DAT. In case of yield calculation total yield of 8 interval data were summated and converted into t ha^-1. BCR were calculated treatment wise. All the collected data were analyzed following standard statistical procedure and differences among treatment means were adjudged by DMRT.

Source of Information: J. Agrofor. Environ. 4 (1): 139-141, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Results showed that the maximum total yield of brinjal (34.09 t ha^-1) and BCR (4.00) were found in Gafargaon and the minimum (31.16 tha^-1) and BCR (3.66) in Islampur. In case of treatment effect the highest total yield of brinjal (50.62 t ha^-1) and BCR (5.81) were found from treatment T₁ and the lowest yield (20.72 tha^-1) and BCR (2.50 t ha^-1) were from treatment T₅. In case of interaction (location × treatment) effect the highest total yield (52.10 t ha^-1) and BCR (5.98) were found in Gafargaon × treatment T₁ and the lowest yield (20.27 t ha^-1) and BCR (2.45 t ha^-1) found in Islampur × treatment T₅.

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