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Effect of Temperature on the Viability of Tossa Jute (corchorus Olitorius) Seeds in Storage

Md. Rafiqul Islam
Senior Scientific Officer
Germplasm Division,Bangladesh Jute Research Institute,Manik Mia Avenue, Dhaka-1207

Kishwar Sultana
Principal Scientific Officer
Germplasm Division,Bangladesh Jute Research Institute,Manik Mia Avenue, Dhaka-1207

Hosne Ara Begum
Principal Scientific Officer
Germplasm Division,Bangladesh Jute Research Institute,Manik Mia Avenue, Dhaka-1207

M.A. Sobhan
Chief Scientific Officer
Germplasm Division,Bangladesh Jute Research Institute,Manik Mia Avenue, Dhaka-1207

Abstract/ Executive Summary:

The experiment was conducted during March to December in 1997 at Gene Bank Department to study the effect of temperature on the viability of tossa jute seeds conserved in BJRI Gene Bank. The seeds of O-9897 with 5% moisture content and initial viability of 98% was divided into two lots. One lot was treated with Vitavax-200 (0.4%) and the other lot was untreated. The seeds were packed in aluminum foil pouches and sealed. The seed packets were stored in room temperature, +200C, + 40C and -200C. The germination data were recorded at three months interval. Germination percentage of seeds under different storage temperature after 21 to 27 months of storage was recorded. After 27 months of storage the seeds treated with Vitavax maintained 94% germ inability at room temperature, 95% at +200C, 84% at +40C and 90% at -200C. The untreated seeds maintained 95% germination at room temperature, 93% at +200C, 96% at + 40C and98% at -200C. The study to be continued for conclusive results.

Keywords: Seed viability, Germination, Temperature

Location: Gene Bank Department, Dhaka

Start Date: 01-03-1997

End Date: 31-12-1997

Program Area: Seed Technology

Commodity: Jute

Objectives:

1. To find out present germination status of stored seed samples under different temperature

2. To take proper management for stored seed samples

Methodology:

100 seeds of each accession were studied for germination. The seeds were allowed to germinate in 4 replicated forms with 25 seeds in each petridish. The viability test was recorded for three days from the date of germination test. Germination percent was recorded as per recommended ISTA rules.

Source of Information: Annual Research Report (Agriculture Research on Jute: 1997. Bangladesh Jute Research Institute)

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 10000

Total Budget (Tk.) : 10000

Achievement/Findings:

The germination data were recorded at three months interval. Germination percentage of seeds under different storage temperature after 21 to 27 months of storage was recorded. After 27 months of storage the seeds treated with Vitavax maintained 94% germ inability at room temperature, 95% at +200C, 84% at +40C and 90% at -200C. The untreated seeds maintained 95% germination at room temperature, 93% at +200C, 96% at + 40C and98% at -200C. The study to be continued for conclusive results.

Knowledge Management: Report/Proceedings