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Effect of Different Level of Seed Borne Infections on Fibre Yield Contributing Characters of Jute (chorcorus Cpasulris L.)

M. M. Islam
Pest Management Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

K. Sultana
Pest Management Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

M. G. Mostafa
Genetic Resources and Seed Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

H. A. Begum
Genetic Resources and Seed Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

M. M. Rahman
Farm Management Unit, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

M. N. Nabi
Jute Farming System Division, Bangladesh Jute Research Institute, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

A study was under taken to measure the effects of different level of seed borne infections on the fibre yield contributing characters of jute at Kishoreganj regional station of BJRI. Varieties D-154 and BJC-7370 were selected for this study. Infected seeds of the above two varieties were collected from JAES, Manikganj and categorized on the basis of seed-borne pathogens viz. 0, 5, 10, 15 and 20% infected seeds. Findings revealed that, both D-154 and BJC-7370 of jute had less seedling emergence in the field with the increase of initial seed borne infections. Stem rot, black band and anthracnose diseases were noticed after one month of seed sowing in the fields. As the initial seed borne infections increases, disease development in the field also increases. Fibre yield contributing characters (plant height and base diameter) and fibre weight decreases with the increase of initial seed borne infections.

Keywords: Seed borne, Infection, Fibre yield, Jute

Location: JAES, Manikganj and Kishoreganj regional station,Bangladesh Jute Research Institute (BJRI)

Start Date:

End Date:

Program Area: Pest Management

Commodity: Diseases, Jute

Objectives:

To assess the effect of different level of seed borne infections on the fibre yield contributing characters of Deshi jute (Corchorus capsularis L).

Methodology:

Seeds of two varieties of deshi jute, namely D-154 and BJC- 7370 were collected from JAES, Manikganj. Different seed samples of each variety were collected in brown paper bags after harvest and preserved in a refrigerator. The seeds samples were analyzed for the presence of desired seed borne fungal pathogens i.e. Macrophomina phaseolina, Botrydiplodia theobromae, Colletotrichum corchori by blotter method following International Rules for Seed Testing Association. Fungal Pathogens associated with the seed samples were detected and identified by observing their growth characteristics on the incubated seeds under stereo microscope at 25X magnification. Both D-154 and BJC-7370 were categorized on the basis of health test analysis and samples of each variety having different level of infections viz. 0, 5, 10, 15 and 20% were selected to determine the effect of different levels seed borne infections on fibre yield contributing characters of jute. The experiment was conducted at Kishoreganj regional station of Bangladesh Jute Research Institute (BJRI). One thousand seeds were taken from each level of infected seed samples for sowing in 2.5 X 4 m² plots. Seeds were sown in line sowing method with line to line 30 cm distance as per recommended by BJRI (1990). Weeding was done carefully whenever necessary and no plant protection measure was adopted for insect and disease control in the field. Seedling emergence data was taken after 10 days of sowing at field condition. Number of disease affected plants were recorded after 1 month of sowing and before harvesting of the crop. During the time of harvesting, 5 healthy plants and 5 diseased plants were collected randomly from each plot as per treatment to make average plant height and base diameter. Dry fibre weight was recorded in gm for each experimental plot according to different treatments. The experiment was conducted in RCBD with 5 treatments and 3 replications. Analysis of variances were carried out and DMRT)judged the response of different treatments.

Source of Information: Pakistan Journal of Plant Pathology, 2(3): 129-135, 2003

Article Link (Online Journal): DOI: 10.3923/ppj.2003.129.135; URL: http://scialert.net/abstract/?doi=ppj.2003.129.135

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Findings revealed that, both D-154 and BJC-7370 of jute had less seedling emergence in the field with the increase of initial seed borne infections. Stem rot, black band and anthracnose diseases were noticed after one month of seed sowing in the fields. As the initial seed borne infections increases, disease development in the field also increased. Fibre yield contributing characters (plant height and base diameter) and fibre weight decreased with the increase of initial seed borne infections.

Knowledge Management: Journal