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Using Some Ipm Packages for Suppressing Brinjal Shoot and Fruit Borer (leucinodesorbonalisguenee) in Kharif Season

A. Akter
M.S Student
Department of Entomology, Sher-e-Bangla Agricultural University, Dhaka-1207.

J. Begum
Asstt.Prof.,
Department of Entomology, Sher-e-Bangla Agricultural University, Dhaka-1207.

M. Ali
Prof.
Department of Entomology, Sher-e-Bangla Agricultural University, Dhaka-1207.

Abstract/ Executive Summary:

A study was conducted at Sher-e-Bangla Agricultural University to evaluate the effect of six IPM Packages in suppressing brinjal shoot and fruit borer during April to July, 2005, IPM packages were: 1. Mechanical + cultural control, 2. Mechanical + cultural control +Sumi-alpha 5EC @ 1ml/l of water at 7 days interval, 3. Furadan 5G applied at vegetative stage+ Sumi-alpha 5EC applied at 7 days interval, 4. Mechanical + cultural control,Suntap 50 WP at 7 days interval, 5. Suntap 50 WP at 7 days interval, 6. Mechanical and cultural control + Suntap 50WP + Sumi-alpha 5EC at 5% infestation level, 7. An untreated control is needed in this study for comparison. These packages were tested on a local brinjal variety, ''Khatkhatia'. Highest infestation of shoot (17%) & fruit (63% by wt. & 75% by no.) was observed in the control plot and the lowest shoot infestation (6.0%) and fruit infestation (36.11%) was obtained from the plots of Mechanical and cultural control + Suntap 50WP@1g/l & Sumi-alpha 5EC @ 1ml/l of water, which was differed significantly from other treatments. The rate of fruit infestation due to BSFB was higher at later stages of crop growth for all the treatments.

Keywords: Intensity infestation, Brinjal shoot, Fruit borer, IPM

Location: Experimental farm of Sher-e-Bangla Agricultural University (SAU), Dhaka

Start Date: 00-04-2005

End Date: 00-07-2005

Program Area: Pest Management

Commodity: Brinjal

Objectives:

To evaluate some IPM package for reducing the intensity of infestation of Brinjal shoot and fruit borer during Kharif season

Methodology:

The present study for suppressing infestation of brinjal shoot and fruit borer (Leucinodes orbonalisGuenee) in kharif season by utilizing different IPM packages was carried out at the experimental farm of Sher-e-Bangla Agricultural University (SAU), Dhaka, Bangladesh during April to July, 2005.The experiments consist of six IPM packages and an untreated control was laid out in a `Randomized Complete Block Design (RCBD) having 3 replications.The soil of the experimental field was well prepared by ploughing, harrowing and followed by cross ploughing and leveling. The whole field was divided into 3 blocks of equal size and each block was sub-divided into 7 plots (2m X 1.5m). Nine brinjal (variety: "Khatkhatia") seedlings of 40 days old (3/4 leaf stage) were planted on 10 February, 005 in each plot at a distance of 75 cm between lines and 50cm between plants. A total of 189 seedlings were transplanted in 21 plots.Insecticides in packages were applied in the manner given below:Sumi-alpha 5EC was applied by mixing of insecticide @ 1ml per litre of water. Furadan 5G single dose was applied @ 1.5 kg a.i./ h Suntap 50WP was applied by mixing 2g of insecticides with one litre of water and sprayed in the similar manner as sumi-alpha. The comparative effectiveness of the IPM packages in suppressing of shoot and fruit borer infestation was evaluated on the basis of some pre-selected parameters. The following parameters were considered during data collection.Number of infested shoots , Number of fruits per plot, Number of healthy and infested fruits. Weight of healthy and infested fruit and

Fruit infestation percent: The infested fruits by number and weight were calculated at each harvest during early, mid and late fruiting stages of the crop the following procedure:

Number of infested fruits

% Fruit infestation by number= -----------------------------------------X 100

Total number of fruits

Weight of infested fruit

% Fruit infestation by weight = ---------------------------------X 100

Total weight of fruit

The data were analyzed statistically for each parameter like mean shoot and fruit infestation (%), Mean (by number and weight) healthy and infested yield etc. The analysis of variance (ANOVA) of different parameters was performed and the means were separated by using Duncan’s Multiple Range Test (DMRT)

Source of Information: Journal of Sher-e-Bangla Agricultural University, Vol. 1 No. 2, July 2007,pp.14-22

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Highest infestation of shoot (17%) & fruit (63% by wt. & 75% by no.) was observed in the control plot, which was significantly highest from all other treatments. The lowest shoot infestation (6.0%) and fruit infestation (36.11%) was obtained from the plots of Mechanical and cultural control + Suntap 50WP@1g/l & Sumi-alpha 5EC @ 1ml/l of water, which was differed significantly from other treatments. The rate of fruit infestation due to BSFB was higher at later stages of crop growth for all the treatments.

Knowledge Management: Journal