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Identification of Materials for Pre-harvest Sprouting.

Md. Abdullah-Al-Mahbub
Senior scientific officer
Plant Physiology Division, BRRI, Gazipur

Dr. Serajul Islam
CSO and Head
Plant Physiology Division, BRRI, Gazipur

Abstract/ Executive Summary:

The study was conducted at BRRI, Gazipur with the objective to evaluate the parent materials for pre-harvest sprouting. The result indicates that out of 14 tested breeding lines, 6 lines wee performed well when panicle was submerged at 23 DAF but no entries were found to show performed better at 44 DAF. The percent sprouting of 6 lines at 23 DAF ranged 3-14 and among the six lines, M2-13-26 UL was the best performer. At 44 DAF, all varieties/lines including checks showed more than 50% sprouting.

Keywords: Pre-harvest sprouting, BRRI varieties, Rice

Location: Plant Physiology Division, BRRI, Gazipur

Start Date: 00-07-2004

End Date: 00-06-2005

Program Area: Variety and Species

Commodity: Rice

Objectives:

To evaluate the parent materials for pre-harvest sprouting.

Methodology:

The study was conducted at BRRI, Gazipur with the following activities such as, Varieties: Fourteen breeding materials and 3 checks, BR1, BR26 and BRRI dhan28. Growing of plants: Thirty-days-old seedling were transplanted (2-3 seedling/hill) in 2x2 m plot. Flowering dates of the selected plants were noted carefully. Method of panicle submergence: Three selected plants were bent with care to immerse the panicles in to standing water for 24 hours at 23 and 44 DAF. Then the panicles were wrapped with a piece of wet cloth bag with both ends tied and enclosed in polyethylene bags for 6 days to prevent drying up. The plants with the wrapped panicles were kept erect by tying to sticks. Design: RCB design with 3 replication.

Source of Information: Proceedings of the BRRI Annual Internal Review for 2004-2005 (Held on 18-22 December 2005). Bangladesh Rice Research Institute (BRRI). Gazipur -1701.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Out of 14 tested breeding lines, 6 lines wee performed well when panicle was submerged at 23 DAF.

Knowledge Management: Report/Proceedings