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Yield Performance of Three Aromatic Fine Rices in a Coastal Medium High Land

Md. Enamul Kabir
Agrotechnology Discipline, Khulna University, Khulna-9208, Bangladesh

Md. Ruhul Kabir
Agrotechnology Discipline, Khulna University, Khulna-9208, Bangladesh

Md. Sarwar Jahan
Agrotechnology Discipline, Khulna University, Khulna-9208, Bangladesh

Gour Gobinda Das
Deopartment of Agricultural Extension, Bangladesh

Abstract/ Executive Summary:

This study was carried out during aman season in the Field Laboratory of Agrotechnology Discipline, Khulna University, Khulna, Bangladesh to observe the yield performance of aromatic fine rices (Oryza sativa L.) in the medium high land of coastal region. The experiment was laid out in a RCBD with three popular aromatic rice varieties namely, Begunbitchi, Chinigura-1 and Kalijira with five replications. All the parameters e.g. tiller number per hill, days required for booting, heading and flowering, panicle length, spikelet number per panicle, 1000-grain weight, grain yield and harvest index varied significantly among the varieties. Chinigura-1 produced the highest grain yield (2.47 t ha^-1) followed by Kalijira (2.15 t ha^-1) and Begunbitchi (0.92 t ha^-1) being the lowest. From the yield of Chinigura-1 obtained in this study, it could be recommended as a potential aromatic rice variety in the coastal medium high lands of Bangladesh.

Keywords: Coastal medium high lands,Performance, Aromatic fine rices

Location: Field Laboratory of Agrotechnology Discipline, Khulna University

Start Date: 00-00-2003

End Date: 00-00-2003

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To investigate on the yield performance of aromatic rice varieties
To recommend some variety for the coastal medium high lands.

Methodology:

The study was conducted during aman season of 2003 at the Field Laboratory of Agrotechnology Discipline, Khulna University. It is located in the agro-ecological zone (AEZ) 13 (Gangetic Tidal Floodplain) of Bangladesh. The experimental site was characterized by moderately high temperature and heavy rainfall during the Kharif season (April-October) and scantly rainfall with moderately low temperature during the Rabi season. (November-March). The soil of the experimental area was loamy to clay-loam in texture. Three aromatic fine rice varieties were used in this experiment. These were Begunbitchi, Chinigura-1 and Kalijira. This experiment was laid out in Randomized Complete Block Design with five replications. The data recorded on different parameters were statistically analyzed with the help of “MSTAT” program. The differences between the treatment means were compared by LSD test after performing ANOVA. A fertile, well-drained medium high land near the source of irrigation was selected for raising seedling. The seedbed was 10 x 2 m in size. It was made ready by ploughing 3 times with country plough followed by laddering under dry condition. Four kg of well-decomposed cowdung in each bed was applied 18 days before sowing and irrigated immediately to avoid drying of the manure. The field was puddled with sufficient water and leveled perfectly. The pre-tested seeds were soaked for 24 h. Then the seeds were allowed for sprouting. The well-sprouted seeds were broadcasted uniformly in each bed in slightly turbid 3-4 cm of standing water. The bed was kept wet by irrigation when it was necessary. The main field was prepared by ploughing 3 times with a country plough and twice by a power tiller. The field was puddled, leveled and thus made ready for transplanting. Thirty-five days old seedlings were uprooted from the nursery and transplanted in the main field. Nitrogen, phosphorous and potassium were applied @ 88, 50 and 35 kg ha^-1, respectively. Full doses of phosphorus and potassium and 1/4th nitrogen was applied one day before transplanting as basal application. The rest of nitrogen was applied in three installments as top dressing. Gap filling, weeding, water management, plant protection measures and other operations were done when it was necessary. The crops were harvested at maturity. Time of maturity was identified when 80% grains were matured. The variety Begunbichi was harvested 87 days after transplanting and the variety Chinigura-1 and Kalizira were harvested after 127 days. The harvested crops were threshed, cleaned and processed. Necessary data were collected on various parameters. Grain yield was expressed at 12% moisture content. Data recorded on yield and contributing characters were statistically analyzed.

Source of Information: Asian Journal of Plant Sciences, 3(5): 561-563, 2004, ISSN 1682-3974

Article Link (Online Journal): DOI: 10.3923/ajps.2004.561.563; URL: http://scialert.net/abstract/?doi=ajps.2004.561.563

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The tested varieties gave satisfactory yield compared to the national average of 1.5-2.0 t ha^-1 for aromatic rice. So, there is a great scope of producing aromatic fine rice in the coastal region.

Knowledge Management: Journal