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Performance of BARI Bt Begun 4 Under Farmers Condition in Pabna

Dr. Md. Altaf Hossain
Biotechnology Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701, Bangladesh

Abstract/ Executive Summary:

Field trial of BARI Bt begun-4 were conducted in five farmers field of Pabna district during 2014. Seedlings were supplied from Biotechnology division, BARI, Gazipur and transplanted them in the farmers field during February 26 to 27,2014. The land was fertilized with cow dung, urea, TSP and MoP @ 10 ton, 375 kg, 150 kg and 250 kg/ha, respectively. The entire amount of cow dung, TSP and half of MP were applied during land preparation The remaining half of MP and entire amount of urea were applied in three equal installments at 20, 40 and 60 days after transplanting, it was observed that all the demo fields were free from shoot and fruit borer infestation. So, Bt technology is working excellently against Brinjal Shoot and Fruit Borer (BSFB) in the farmers field. Farmers were very happy to see the performance of Bt brinjal against BSFB but they were worried to see the poor fruiting of the variety. Amount of fruit harvest was very less although the crop growth was good. This might be due to high temperature of the growing season inhibited flower initiation and fruit setting.They requested to selecting those commercial local variety which have profuse fruit bearing where Bt gene should be inserted.

Keywords: Brinjal, Bt Begun, Fruit borer, Insecticide, Bt Begun 4

Location: Pabna district, Bangladesh

Start Date: 00-02-2014

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Brinjal

Objectives:

Objective of this study was to observe the performance of BARI Bt Begun 4 under farmers' field conditions in Pabna.

Methodology:

Field trial of BARI Bt begun 4 were conducted in five farmers field of Pabna district during 2014. Seedlings were supplied from Biotechnology division, BARI, Gazipur and transplanted them in the farmers field during February 26 to 27, 2014. Spacing was 1 m x 0.8 m and demo plot area was 32 m x 32 m i.e. 30 rows and each rows contain 38 plants. A total of 1140 Bt seedlings were transplanted. One row of non Bt local cultivar was transplanted surrounding the Bt variety as boarder crop. The land was fertilized with cow dung, urea, TSP and MoP @ 10 ton, 375 kg, 150 kg and 250 kg/ha, respectively. The entire amount of cow dung, TSP and half of MP were applied during land preparation The remaining half of MP and entire amount of urea were applied in three equal installments at 20, 40 and 60 days after transplanting. Irrigation and other intercultural operations were done as and when necessary.

Source of Information: Annual Research Report, Biotechnology Division, BARI, 2013-2014

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The BARI Bt begun 4 showed very promising efficacy in managing brinjal shoot and fruit borer infestation. It should be an insecticide free management option against brinjal shoot and fruit borer. BARI authorities have to think about the variety and their optimum growing season.

Knowledge Management: Report/Proceedings