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Hybridization for Low Amylose New Varieties.

P S Biswas
Scientific Officer
Plant Breeding Division, BRRI.

M A Salam
Chief Scientific Officer
Plant Breeding Division, BRRI.

A K G M Enamul Haque
Principal Scientific Officer
Plant Breeding Division, BRRI.

Abstract/ Executive Summary:

This study was conducted with the objective to identify new genotypes with low amylose along with earliness, sturdy stem, cold tolerance at vegetative stages, resistance to major insect pests and diseases, and acceptable grain quality. Four elite lines including BR26 and BRRI dhan36 were grown in the hybridization block of Breeding Division at three dates with an interval of 15 days to synchronize flowing for cross combination. From this study two crosses were made (BR26/BR6839-119-3-3 and BRRI dhan 36/BR6839-119-3-3) to generate low amylose content progenies.

Keywords: Hybridization, Low amylose, Earliness, Sturdy stem, Cold tolerance .

Location: BRRI, Gazipur.

Start Date: 01-07-2004

End Date: 30-06-2005

Program Area: Variety and Species

Commodity: Rice

Objectives:

To identify new genotypes with low amylose along with earliness, sturdy stem, cold tolerance at vegetative stages, resistance to major insect pests and diseases, and acceptable grain quality.

Methodology:

Four elite lines including BR26 and BRRI dhan36 were grown in the hybridization block of Breeding Division at three dates with an interval of 15 days to synchronize flowing for cross combination. Fertilizer doses and other cultural management were the same as experiment 1.

Source of Information: BRRI. Proceedings of the BRRI Annual Internal Review for 2004-2005. Bangladesh Rice Research Institute (BRRI). Gazipur -1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Two crosses were made (BR26/BR6839-119-3-3 and BRRI dhan 36/BR6839-119-3-3) to generate low amylose content progenies.

Knowledge Management: Report/Proceedings