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Performance of Hybrid Rice (bio-453) in Variation of Spacing and Number of Seedling Per Hill

D. Chowdhury
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

M. Biswas
Department of Agro Product Processing Technology, Jessore University of Science and Technology, Jessore, Bangladesh

M.N.H. Miah
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

P. Mandal
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

M.S. Hossain
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

Abstract/ Executive Summary:

Hybrid rice production can ensure to get more yields per unit land. The research work was carried out to evaluate the effect of number of seedling hill^-1 and spacing on the growth and yield of hybrid rice line Bio-453. The experiment was laid out in a split-plot design with 3 replications at the field of Agronomy and Haor Agriculture Department of Sylhet Agricultural University, under the AEZ 20 in Kharif-II (Aman) season of 2013. Number of seedling hill^-1 was assigned in the main plot and plant spacing in the sub-plot. Two levels of seedling hill^-1 viz. NS₁ (1 seedling hill^-1) and NS₂ (2 seedlings hill^-1) and five levels of plant spacing viz. Sp1 (15 cm X 15 cm), Sp2 (15 cm X 20 cm) and Sp3 (20 cm X 20 cm), Sp4 (20 cm X 25 cm) and Sp5 (20 cm X 30 cm) were the treatments. Number of seedling hill^-1 and plant spacing showed significant effect in yield and yield contributing parameters except days to maturity, plant height, 1000-grain weight, total tillers hill^-1, number of effective tillers hill^-1, harvest index and grains panicle^-1. Maximum grain yield (9.43 t ha^-1), straw yield (16.27 t ha^-1) and biological yield (25.70 t ha^-1) were obtained from 1 seedling hill^-1 (NS1) with the closest spacing 15 cm X 15 cm Therefore, one seedling hill^-1 with 15 cm distance for plant and row to row distance could ensure maximum yield of hybrid rice line Bio-453.

Keywords: Hybrid rice, seedling, Spacing, Growth, Yield

Location: Agronomy and Haor Agriculture Department of Sylhet Agricultural University

Start Date: 00-07-2013

End Date: 00-11-2013

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To know the effect of number of seedling hill^-1 and spacing on yield and yield attributes.

Methodology:

The study was carried out at the field of Agronomy and Haor Agriculture Department of Sylhet Agricultural University, in Kharif-II (Aman) season during July to November 2013. The experiment was laid out in a split-plot design with three replications where main plot includes number of seedling hill^-1 such as: 1) seedling hill^-1 (NS1) and 2) seedlings hill^-1 (NS2) and in sub-plot assigned plant spacing such as:i) 15 cm × 15 cm (Sp1), ii) 15 cm X 20 cm (Sp2), iii) 20 cm X 20 cm (Sp3), iv) 20 cm X 25 cm (Sp4) and v) 20 cm X 30 cm (Sp5).The size of the unit plot was 4.8 m² Hybrid rice line Bio-453 was collected from Bioseed Research India Pvt. Ltd. Sprouted seeds were sown in the well-prepared wet nursery bed. Thirty-four days old seedling was transplanted at a depth of 3-5 cm. During transplanting 5-7 cm water depth was maintained in each plot. Different intercultural operations were done for ensuring the normal growth of the crop. The experimental field was ploughed leveled well and well decompose cow dung was applied @ 5 t ha^-1. Dolochun lime was applied @ 0.75 t ha^-1 to increase soil pH. The experimental area was fertilized with 68.72 kg, 10.98 kg, 41.81 kg, 14.04 kg, 1.1 kg of N, P, K, S and Zn per hectare, respectively (BRRI, 2013). One-third of urea and the entire TSP, MoP, gypsum and zinc oxide were incorporated into the soil during final land preparation. Remaining two-thirds of urea was top dressed at 40 days after transplanting (DAT) and at 55 DAT. Data were collected on yield and yield attributes. The collected data were tabulated and analyzed using computer package program R. Mean differences were adjudged by the Least Significant Difference (LSD) test at 5% level of significance.

Source of Information: Bangladesh Agron. J. 2019, 22(1): 27-37

Article Link (Online Journal): DOI: https://doi.org/10.3329/baj.v22i1.44928

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From the experimental findings it is clear that hybrid rice line Bio-453 planted with 1 seedling hill^-1 along with 15 cm x 15 cm spacing produced maximum grain yield (9.43 t ha^-1) while combination of 2 seedlings hill^-1 along with 20 cm x 30 cm spacing contributed lower yield (7.56 t ha^-1). Consequently, hybrid rice line Bio-453 with the combination of 1 seedling hill^-1 with 15 cm x 15 cm spacing to be the best possible combination for achieving higher grain yield per unit area.

Knowledge Management: Journal