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Sceening for Photo-insensitive,mite Tolerant, Short Day and Low Temperature Tolerant Genotypes of Tossa Jute (2000)

Chandan Kumar Saha
Senior Scientific Officer
Olitorius Breeding Department,Breeding Division,BJRI,Dhaka-1207

Md.Shahidul Islam
Scientific Officer
Olitorius Breeding Department,Breeding Division,BJRI,Dhaka-1207

Nargis Akter
Scientific Officer
Olitorius Breeding Department,Breeding Division,BJRI,Dhaka-1207

Md.Maksuder Rahman
Scientific Officer
Olitorius Breeding Department,Breeding Division,BJRI,Dhaka-1207

Abstract/ Executive Summary:

The experiment was undertaken to isolate photo-insensitive, short day and low temperature tolerant genotypes of tossa jute having mite tolerance suitable either for donor parents or direct production in BJRI,Dhaka and CRF,Manikganj in 2000. About 96 germ plasm were taken from gene bank and sown to test their photo-insensitivity. Almost all the Accessions flowered prematurely within 30-45 days after sowing but some Accessions flowered flowered ranged 44-142 days after sowing at Manikganj. So, it may be conducted that none of Accessions were truly photo-insensitive. However, few Accessions were isolated with early maturity and produced flowers at 444-48 days after sowing may be used in hybridization program and these were Acc-1749,Acc-3735,Acc-5084,Acc-5086 and Acc-4852.

Keywords: photo-insensitive,mite tolerant, short day and low temperature tolerant, tossa jute

Location: BJRI,Dhaka and CRF,Manikganj

Start Date: 26-02-2000

End Date: 30-12-2000

Program Area: Variety and Species

Commodity: Jute

Objectives:

1.To isolate photo-insensitive genotypes of tossa jute

2.To isolate short day and low temperature tolerance genotypes of tossa jute

3.To isolate mite tolerance genotypes of tossa jute To assess their yield performance in under different agro-ecological condition

Methodology:

Ninety-six germplasms collected from gene-bank were sown at 26-02-2000 and 08-05-2000 in BJRI,Dhaka and CRF,Manikganj,respectfully, for searching photo-insensitive,mite tolerant, short day and low temperature tolerant tolerant lines of tossa jute. Individual plants were selected from each line in respect of their response to photo-insensitive, short day and low temperature.The experiment was laid out in RCBD with three replications having 2.1m X 3.0m plot size. Standard agricultural and agronomic practices were followed.The crop were harvested 120 days after sowing and collecting necessary data(Plant Population,Plant Height,Base Diameter,Fiber Yield and Stick Yield)

Source of Information: Annual Research Report(Agriculture Research on Jute): 2000-2001,Bangladesh Jute Research Institute

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 5,000

Total Budget (Tk.) : 5,000

Achievement/Findings:

About 96 germ plasm were taken from gene bank and sown to test their photo-insensitivity. Almost all the Accessions flowered prematurely within 30-45 days after sowing but some Accessions flowered flowered ranged 44-142 days after sowing at Manikganj. So, it may be conducted that none of Accessions were truly photo-insensitive. However, few Accessions were isolated with early maturity and produced flowers at 44-48 days after sowing may be used in hybridization program and these were Acc-1749,Acc-3735,Acc-5084,Acc-5086 and Acc-4852.

Knowledge Management: Report/Proceedings