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Growth and Yield of Transplanted Aus Rice as Influenced by Variety and Number of Seedlings Per Hill

M.H. RASHID
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

A.K.M. ALI
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.A. KAMAL
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

F.M. JAMIL UDDIN
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

Abstract/ Executive Summary:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh to evaluate the influence of variety and number of seedlings hill^-1 on the growth and yield of transplanted aus rice. The experiment consisted of two rice varieties viz., BR 3 and BR 26, and four levels of seedlings hill^-1 viz., 1, 2, 3 and 4 seedlings hill^-1. Variety significantly influenced all the growth parameters, yields and yield components of transplanted rice plants. BR 3 produced higher panicle length (22.33 cm), number of grains panicle^-1 (67.99), weight of 1000 grains (24.55 g) and grain yield (3.46 t ha^-1) than BR 26. Again, number of seedlings hill^-1 significantly influenced all the characters except weight of 1000 grains. The highest grain yield (3.42 t ha^-1) was obtained from 3 seedlings hill^-1 which was statistically identical with 2 seedlings hill^-1 (3.30 t ha^-1). The highest straw yield (4.40 t ha^-1) was observed in 4 seedlings hill^-1 which was statistically identical with 3 seedlings hill^-1 (4.28 t ha^-1) and the lowest (3.77 t ha^-1) was recorded from 1 seedling hill^-1. BR 3 with 3 seedlings hill^-1 was obtained the best seedling rate to produce higher grain yield than BR 26.

Keywords: Aus rice, Rrice variety and seedling rate

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To investigate the yield of transplant aus rice as affected by cultivars and number of seedlings hill^-1

Methodology:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh. The experimental site belongs to Old Brahmaputra floodplain (AEZ-9) with medium topography mand loamy texture. The pH of the soil ranged from 6.6 to 7.0. The climate of the area is characterized by high temperature and heavy rainfall during kharif season (April to September) and scanty or no rainfall during rabi season (October to March). The experiment included two factors viz., (i) variety (BR 3 and BR 26) and (ii) number of seedlings hill^-1 (1, 2, 3 and 4). The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Each block representing a replication was divided into 8 unit plots where 8 treatment combinations were allocated randomly. The total number of unit plot was 24 and size of the unit plots was 5.0 m x 2.0 m. The entire quantity of recommended doses of phosphate (100 kg TSP ha^-1), potash (70 kg MP ha^-1), gypsum (60 kg ha^-1) and one third of nitrogenous fertilizer (50 kg urea ha^-1) were applied at the time of final land preparation. Third amount of urea was top dressed at maximum tillering stage and the rest before flowering. Thirty days-old seedlings were transplanted in the experimental plots. All intercultural operations were done as and when necessary. Data were recorded from ten randomly selected hills from each unit plot. The grain and straw yields were recorded for the whole plot. The collected data were analyzed statistically following analysis of variance (ANOVA) using MSTATC software and mean differences of treatments were separated by DMRT.

Source of Information: Int. J. Expt. Agric. 5(2):15-17, (2015)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Number of seedlings hill^-1 affects the yield of the studied rice varieties. Though 3 seedlings per hill gave better grain yield, statistically it was similar to that of 2 seedlings hill^-1. Therefore, to reduce the cost of planting, it is recommended that 2 seedlings should be planted per hill for BR 3 and BR 26 rice in aus season.

Knowledge Management: Journal