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Performance of Sowing Date and Different Container on Seed Germination and Yield of Soybean

Dr. Md. Amin
Principal Scientific Officer
OFRD, BARI, Noakhali

Abstract/ Executive Summary:

The experiment was conducted in the farmer’s field of MLT site, Laxmipur, under On-Farm Research Division, Bangladesh agricultural Research Institute (BARI) to identify the better storing techniques and sowing date for seed germination, yield and other attributes of soybean. The seeds of soybean stored in controlled moisture and temperature of BADC cold storage performed comparatively better in every sowing date. The germination of seeds observed higher (93%, 90%, 86% and 88%) in this treatment with respective sowing dates. Sowing dates after opening the seeds from container had a minimum effect whereas, different containers affected significantly on seed germination (%), plant population (%) at 20 days after emergence (DAE), plant population (%) at harvesting and insect infested seeds (%).

Keywords: Sowing date, container, seed germination, yield , soybean

Location: MLT site, Laxmipur

Start Date: 20-10-2008

End Date: 25-04-2009

Program Area: Crop-Soil-Water Management

Commodity: Soybean

Objectives:

To identify the better storing techniques and sowing date for seed germination, yield and other attributes of soybean.

Methodology:

The experiment was conducted at the farmers’ field of MLT site, Laxmipur, OFRD, BARI , Noakhali to identify the better storing techniques and sowing date for seed germination and other attributes of soybean. The site is located within Young Meghna Estuarine Floodplain of agro ecological zone 18 of Bangladesh where soybean was grown well previously. Soybean seeds were kept in storage using five storage containers such as earthen container, plastic container, polythene bag covered by gunny bag, metal container and BADC cold storage. The seeds of BARI Soybean-5 from each container were sown in 4 different sowing dates such as 22 and 27 of January; 1 and 6 of February 2009. The seeds were opened on 20 January 2009 and kept in normal polythene packet fastened the inlet of packet with rope made of jute to the last date of sowing. Clean and well-dried good seeds of soybean were stored in each container up to 09 months. Data recorded were germination (%), Plant population (%) at 20 DAE and harvesting. Data regarding insect infested seeds (%) were recorded before sowing the seeds of each container. All the data were analyzed statistically.

Source of Information: Annual Research Report, OFRD 2007-08 and 2008-09

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The highest germination (87%), plant population (79%) at 20 DAE, plant population (75%) at harvesting were found in S₁ and this trend was as reducing with the later sowing dates. But the highest insect infested seeds (4.9%) were found in S4. Types of containers significantly affected germination (%), plant population (%) at 20 DAE, plant population (%) at harvesting and insect infested seeds (%). Maximum germinated seeds (90%) were recorded from C₅ (BADC cold storage) whereas minimum level of germination (64%) was found in C₁ (earthen container). Similarly higher plant population (84%) at 20 DAE and plant population at harvesting (79%) were recorded in C₅. Insect infestation was higher (6.3%) in C₁ followed by C₃. Sowing date in combination with different container significantly affected germination (%), plant population (%) at 20 DAE, plant population (%) at harvesting and insect infested seeds (%). The higher germination (93%) was found in the treatment combination of sowing date S₁ with C₅. Treatment C₅ with various sowing date have given higher percentage of germination (93, 92, 86, 88). Plant population at 20 DAE (90%, 88%, 79% and 82%) was found higher in treatment combination of C₅ irrespective of sowing dates. The magnitude of plant population at 20 DAE deteriorated with the delay of time from opening of seeds from the container. Plant population (%) at harvesting time almost similar trend as plant population (%) at 20 DAE. Higher number of insect infested seeds was found in the seeds stored in earthen containers (5.7%, 6.0%, 6.4% and 7.1%) on respective sowing dates of S1, S2, S3 and S4. On the other hand, lower insect infestation (2.2%, 2.7%, 3.9% and 3.0%) was found in C₅ on respective sowing dates of S₁, S₂, S₃ and S₄. The other treatment combination effect was statistically similar with each other.

Knowledge Management: Report/Proceedings