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Study the Stacking Periods and Drying Methods of Rice Seed and Identification of Most Satisfactory Technique

Md. Kuddus Miah
Senior Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701

Dr. MA Baqui
Chief Scientific Officer
Farm Machinery and Postharvest Technology Division, Bangladesh Rice Research Institute, Gazipur-1701

Abstract/ Executive Summary:

Study was conducted in Sylhet and Barisal regions during Boro and Aus harvesting seasons in order to oval and hanging in both the regions. The study revealed that farmers usually stack the harvested materials in three different methods viz standing, normal (oval) and hanging in both the regions. Most of the seed samples in three different ways of stacking showed a very good level (90-100%) of germination at stacking duration of 1 to 3 days in presence of inclement weather. However, at 3 day duration in oval method of stacking germination was found below acceptable limit (below 80%) due to high moisture content (20.10%) of the materials. From the study it was concluded that stacking was not safe for high moisture crop (20%) beyond 1 day duration.

Keywords: Stacking, Moisture content, Germination

Location: Habiganj and Barisal

Start Date: 01-07-1997

End Date: 30-06-1998

Program Area: Seed Technology

Commodity: Farm machineries, Performance evaluation

Objectives:

To find out the duration of different types of stacking period on keeping quality of seed during rainy season.
To identify the best stacking technique

Methodology:

The experiment was conducted at Chunarughat, Habiganj and Barisal sadar thanas in the Aus season with the help of DAE personnel. The farmers who grow and preserve seeds were selected for the study. The predominant stacking methods practiced by the local farmers were oval, standing and hanging in structure. Three farmers were selected for this experiment from each site. Based on rapid rural appraisal (RRA) conducted in Sylhet and Barisal district. One, two and three day stacking periods were used for each stacking pattern. However, 27 kg sample (with three replications) were collected from each site. The seed samples were dried, stored and analyzed for viability at intervals upto next planting season.

Source of Information: BRRI Annual Internal Review 1997

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

There was no significant difference in germination which was found in all the methods of stacking and no adverse effect was observed in seed quality. But at 3 days duration of stacking, germination was found below acceptable limit due to high moisture content of stacking materials.

Knowledge Management: Report/Proceedings