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Survey on the Status of Seed Quality and Prevalence of Seed-borne Pathogens in Jute Seeds Collected from Different Sources of Bangladesh

K.Sultana
PSO
Plant Pathology Department,Pest Management Division, BJRI,Manik Mia Avenue, Dhaka-1207

Abstract/ Executive Summary:

Thirty eight samples of Breeder ,s seeds from different sources and 20 gene bank accessions were examined in the laboratory. Maximum percentage of infection due to Macrophomina phaseolina 100% was recorded from the seed samples of CC-45(Farid pur). Seed borne infection due to Colletotrichum corchori (12%) was recorded in CVL-1 & CC-45 from JAES and Faridpur. Highest % of Botryodiplodia theobromae (90%) was found in seed samples of CVL-1 from Faridpur. Overall seed infection was not much higher except one CC-45 of Faridpur.Seed samples was recommended after seed treatment.

Keywords: Jute, Seeds,Pathogens,Quality,Survey

Location: Regional stations of BJRI

Start Date: 30-03-2002

End Date: 30-12-2002

Program Area: Pest Management

Commodity: Jute

Objectives:

1.To know the information about the nature of incidence, intensity and peak period of disease infestation

2.To take control measures and also to breed varieties resistant to such diseases.

3.To survey and monitoring about diseases

Methodology:

Seed samples of different varieties of Corchorus capsularis and Corchorus olitorius were collected from different sources of Banladesh.Seeds of different varieties of jute.The sources of seed samples are 1.Breeder seeds of Corchorus capsularis and Corchorus olitorius were collected from Central station of BJRI. 2.Foundation seeds and Certified seeds of Corchorus capsularis and Corchorus olitorius were collected from 6 seed production zones- Dhaka, Bogra, Tangail, Jessore, Kustia and Rajshahi of BADC. 3.Farmer ,s seeds were collected from the same 6 selected zones of BADC. In this case, seeds were collected from the farmers who produce their own seeds. seeds collected from all the selected sources was subjected to dry inspection for separation of best seeds and bad seeds through physical sorting. In separating the best seeds, discoloured, shrivelled, deformed seeds was eliminated. inert matters, weed seeds and other crop seeds was also be removed during the processing of separation. Seeds were then be analysed for moisture content, germination and health following the rules of international Seed testing Association (ISTA, 1985).

Source of Information: Annual Report, 2002,BJRI, Manaik Mia Avenue, Dhaka-1207

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Ten thousand taka only

Total Budget (Tk.) : Ten thousand taka only

Achievement/Findings:

Maximum percentage of infection due to Macrophomina phaseolina 100% was recorded from the seed samples of CC-45(Farid pur). Seed borne infection due to Colletotrichum corchori (12%) was recorded in CVL-1 & CC-45 from JAES and Faridpur. Highest % of Botryodiplodia theobromae (90%) was found in seed samples of CVL-1 from Faridpur. Overall seed infection was not much higher except one CC-45 of Faridpur.Seed samples was recommended after seed treatment.

Knowledge Management: Report/Proceedings