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Comparative Study of Retting and Fibre Properties of Blue and Brown Seeded Jute Plants of C. Capsularis and Loss of Their Non-fibrous Matters During Retting and Assess of Their Fibre Properties

M. Shamsul Haque
Principal Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M.S.I. Talukder
Scientific Office
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M. Asaduzzaman
Chief Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

M. Younus Ali
Scientific Officer
Fibre Quality Improvement Division, Bangladesh Jute Research Institute, Manik Mia Avenue, Dhaka-1207.

Abstract/ Executive Summary:

Jute is completed in the various sources of water e.g. ponds, canal, river, etc. by the combined action of water and different microorganisms normally within 15-18 days. The experiment was undertaken for the comparative study on the fibre quality between newly developed a blue seeded C. capsularis and brown seeded CVL-1 as a control during the retting process. The experiment was conducted in the Jute Research Regional stations at Rangpur, Faridpur, Kishoregonj, Chandina and JAES, Manikgonj to determine the differences of non-fibrous matters from blue and brown seeded varieties of deshi jutes in the period of 2006 to 2008. Both the varieties (CVL-1 and BJC-2142) were grown in all the regional stations and JAES, Manikgonj. From the experimental results, in 2006, the percentage of non-fibrous matters released from the two varieties was ranged from 96.11-96.50. Pooled mean of all regional stations indicated that the amount of non-fibrous matters released from the variety CVL-1 was 96.34% and almost similar amount (96.23%) was released from the variety BJC-2142 during retting. In 2007, it was found that the variety BJC-2142 released the higher percentage of non-fibrous matters (88.61%) during retting only at the regional station Chandina where CVL-1 was 85.06%. Fibre cutting percentage was 2nd lowest (4%) and fibre color was creamy. On the other hand, the non-fibrous matters released during the retting variety of CVL-1 were found higher than BJC-2142 in other four stations. The better quality jute fibre with less cuttings were produced from the blue seeded variety (BJC-2142) compared to the brown seeded variety CVL-1 during retting. In 2008, it was observed that the variety BJC-2142 released the higher percentage of non-fibrous matters (19.55%) during retting only at the regional station Rangpur where CVL-1 was 20.10%. Fibre cutting percentage was 2nd lowest (5%) at Faridpur. On the other hand, the non-fibrous matters released during the retting variety of CVL-1 were found higher than BJC-2142 in other four stations except JAES, Manikgonj. The better quality jute fibre with less cuttings were produced from the blue seeded variety (BJC-2142) compared to the brown seeded variety CVL-1.

Keywords: Comparative study, Retting and fibre properties,Blue and brown seeded deshi jute, Loss, non-fibrous matters, Retting, and assessment.

Location: Jute Research Regional stations Rangpur, Faridpur, Kishoregonj, Chandina and JAES, Manikgonj.

Start Date: 10-03-2006

End Date: 30-12-2008

Program Area: Postharvest and Agro-processing

Commodity: Jute

Objectives:

To find out the comparative retting and fibre properties of some varieties of blue and brown seeded deshi jute as well as loss of their non-fibrous matters.

Methodology:

Blue seeded advanced line 2142 and brown seeded variety CVL-1 were grown under identical conditions at Jute Research Regional stations Rangpur, Faridpur, Kishoregonj, Chandina and JAES, Manikgonj. The plants were harvested at budding stage. The retting activities were done following improved retting technology. End point of retting was determined critically. Fibres were extracted, washed, dried and loss of non-fibrous matters during retting was assessed. The quality of fiber was assessed in respect of color, percent cuttings and grading.

Source of Information: Annual report 2006-2007, 2007-2008, 2008-2009.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Thirty thousand only

Total Budget (Tk.) : Thirty thousand only

Achievement/Findings:

From the experimental results, in 2006, the percentage of non-fibrous matters released from the two varieties was ranged from 96.11-96.50. Pooled mean of all regional stations indicated that the amount of non-fibrous matters released from the variety CVL-1 was 96.34% and almost similar amount (96.23%) was released from the variety BJC-2142 during retting. In 2007, it was found that the variety BJC-2142 released the higher percentage of non-fibrous matters (88.61%) during retting only at the regional station Chandina where CVL-1 was 85.06%. Fibre cutting percentage was 2nd lowest (4%) and fibre color was creamy. On the other hand, the non-fibrous matters released during the retting variety of CVL-1 were found higher than BJC-2142 in other four stations. The better quality jute fibre with less cuttings were produced from the blue seeded variety (BJC-2142) compared to the brown seeded variety CVL-1 during retting. In 2008, it was observed that the variety BJC-2142 released the higher percentage of non-fibrous matters (19.55%) during retting only at the regional station Rangpur where CVL-1 was 20.10%. Fibre cutting percentage was 2nd lowest (5%) at Faridpur. On the other hand, the non-fibrous matters released during the retting variety of CVL-1 were found higher than BJC-2142 in other four stations except JAES, Manikgonj. The better quality jute fibre with less cuttings were produced from the blue seeded variety (BJC-2142) compared to the brown seeded variety CVL-1.

Knowledge Management: Report/Proceedings, Booklet/Leaflet