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Control of Bakanae Disease Through Seed Treatment

Md. Sahdat Hossain
Senior Scientific Officer
Bangladesh Rice Research Institute, Gazipur-1701, Bangladesh

Dr. MAT Mia
Chief Scientific Officer
Plant Pathology Division, Bangladesh Rice Research Institute, Gazipur-1701, Bangladesh

Dr. Md. Ayub Ali
Professor
Plant Pathology Department, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

Bakanae disease of rice is a great threat to rice production. To combat the disease an experiment was conducted under natural field condition. All the fungicides significantly reduced the percent hill infection over control. Among the fungicides the lowest (0.57%) hill infection was found in Bavistin 50WP treated seeds followed by Sunphanate (0.92%) and Carzeb (1.03%) treated seeds. Yield was significantly higher in the seed treated plot and the maximum yield was obtained from Bavistin treated plots. The lowest yield was harvested from control plot.

Keywords: Bakanae disease, Seed treatment, Rice

Location: Plant Pathology Division, BRRI HQ

Start Date: 01-07-2010

End Date: 30-06-2011

Program Area: Pest Management

Commodity: Diseases

Objectives:

To find out a suitable chemicals for bakanae disease control.

Methodology:

A field experiment was conducted during Aus 2009 and 2010 at farmers' field in Habiganj district. Fungicides found effective as In vtiro screening against bakanae disease of rice were evaluated in these experiment. Infected seeds of variety BR1 were soaked in suspension of different fungicides for over night before sowing. Seed soaked in water served as control. Treated seeds were sown in seed-beds for each treatment separately. After 15 days, % bakanae infected seedlings were counted. Then twenty five days old seedlings were uprooted from each treatment separately and transplanted in a main field following RCBD with three replications in 3 x 4m plots at 20 x 25 cm spacing. Application of fertilizers and others cultural management were done followed by BRRI recommendation. Number of bakanae infected plants was counted 20 days after transplanting in each plot and percent disease incidence was calculated. Yield of each plot was recorded at the time of maturity and adjusted at 14% moisture content.

Source of Information: Proceedings of BRRI Annual Internal Review for 2010-11

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Among the fungicides the lowest (0.57%) hill infection was found in Bavistin 50WP treated seeds followed by Sunphanate (0.92%) and Carzeb (1.03%) treated seeds. Highest yield also harvested from Bavistin treated plot.

Knowledge Management: Report/Proceedings