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Agronomic Performance of Bioseed Hybrid Rice Genotypes in Bangladesh

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

Md Sazzad Hossain
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

Imtiaz Miah
Department of Agricultural Chemistry, Sylhet Agricultural University, Sylhet, Bangladesh

Md Rafat Al Foysal
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

Mozammel Hoque
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

Mohammed Noor Hossain Miah
Department of Agronomy and Haor Agriculture, Sylhet Agricultural University, Sylhet, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at two locations of Sylhet district of Bangladesh with seven hybrid rice genotypes of Bioseed India Ltd (Bio-404, Bio-453, Bio-543, Bio-460, Bio-648, Bio-649 and Bio-650) to evaluate their yield potentials. The experiment was laid out in a randomized complete block design with three replications. Results indicated Bio-649 produced the highest yield with short duration and less disease infection. The maximum grain yields of Bio-649 were 9.1 and 10.46 t ha^-1, respectively at Sylhet Agricultural University (SAU) farm and farmer’s field, Khadimnagar. These yields were higher than the two check varieties at both locations. The lowest grain yields of the hybrid rice genotype Bio-648 were 4.23 and 7.16 t ha^-1, respectively at SAU and farmer’s fields. The results revealed, Bio-649 is suitable for Aman season and can be considered to proceed with further research at several locations of Bangladesh.

Keywords: Hybrid rice, Location, Variety, Growth duration, Yield

Location: Sylhet district, Bangladesh

Start Date:

End Date:

Program Area: Variety and Species

Commodity: Rice

Objectives:

In the present study, seven hybrid rice genotypes of Bioseed Research (India) Pvt Ltd was put into trials along with two Bangladeshi released hybrid varieties at two different locations in Sylhet district of Bangladesh with a view to evaluate their overall yield performances at Sylhet in Bangladesh.

Methodology:

The experimental site, design and setup: The trial was conducted at two locations, the agronomy field laboratory of Sylhet Agricultural University (SAU) and the other one at a farmer’s field of Khadimnagar of Sylhet district. The experiment was laid out in a randomized complete block design (RCBD) with three replications. The size of each plot was 4 m x 2 m at SAU farm and 5 m × 3 m at the farmer's field at Khadimnagar. Soils of the experimental fields were slightly acidic (pH: 5.5-6.0) and non-calcareous dark grey flood plain under AEZ 20 (Sylhet basin). The seven hybrid rice genotypes i.e, Bio-404 (V1), Bio-453 (V2), Bio-543 (V3), Bio-460 (V4), Bio-648 (V5), Bio-649 (V6), Bio-650 (V7) were collected from Bioseed Research (India) Pvt Ltd. The check varieties were BRRI hybrid dhan3 (V8) and BRRI hybrid dhan4 (V9). The seedlings were raised in the well-prepared nursery beds where recommended doses of Dolochun (CaCO3.MgCO3) and N P K S and Zn fertilizers were applied. Sprouted seeds were sown in a well-prepared nursery bed. Crop Husbandry: The main fields received well-decomposed cow dung @ 5 t ha-1soon after first opening of the land and light irrigation was done and kept for 3 days. Then it was again ploughed and lime (Doluchun) was applied @ 1.0 t ha-1. The inorganic fertilizers were applied @ 78, 16, 50, 15 and 2 kg ha-1of N, P, K S and Zn, respectively from the sources of urea, triple superphosphate (TSP), muriate of potash (MP), gypsum and ZnSO4. The whole amount of TSP, MP, gypsum and Zn was applied as basal on final land preparation. The nitrogenous fertilizer urea was applied in three equal splits at the final land preparation, 15 days after transplanting and panicle initiation stage. Twenty-five days-old single healthy seedling was transplanted with a planting spacing of 20 cm × 20 cm in the main field. The experimental plots were weeded and irrigated properly. Pest controlling measures were also taken as per requirement. Data collection and analysis: The time of seedling transplanting, 50% flowering and maturity of hybrid lines were recorded. At maturity, randomly selected 10 hills were collected from the centre region of each plot. Data on plant height, total tillers hill^-1, length of panicle and yield and yield attributes like panicles hill^-1, spikelets panicle^-1, grains panicle^-1, and sterile grains panicle^-1,1000 grain weight, straw and grain yield were recorded. All the measured data were finally analyzed by the computer package program MSTAT-C. The means were separated with LSD (≤0.05).

Source of Information: Journal of Pharmacognosy and Phytochemistry 2020; 9(6): 26-2

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion, most of the hybrid genotypes are short-duration types. Among the genotypes, Bio-649 produced the maximum grain yield both at SAU field (9.10 t ha^-1) and the Farmer’s field (10.46 t ha^-1) with a crop growth duration of an average of 120 days. On the other hand, crop growth duration of the Bio-404, Bio-543 and Bio-460 is from 105 to 115 days with slender grain types which are good for market value although per unit yields are lower. Moreover, less disease susceptibility of these genotypes could be a good choice for farmer motivation.

Knowledge Management: Journal