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Yield Potentials of Recently Released Wheat Varieties and Advanced Lines Under Different Soil Fertility

M. Ilias Hossain
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute , Shyampur, Rajshahi-6212

M. Israil Hossain
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute , Shyampur, Rajshahi-6212

M. Aktar-Uz-Zaman
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute , Shyampur, Rajshahi-6212

M. A. A Mamun
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute , Shyampur, Rajshahi-6212

M. Jahedul Islam
Regional Wheat Research Centre, Bangladesh Agricultural Research Institute , Shyampur, Rajshahi-6212

Abstract/ Executive Summary:

An experiment 'was conducted to study the varietals/genotypic potentiality in producing maximum yield under different soil and environmental conditions and N-use efficiency of different genotypes and to support wheat breeding program in selecting the genotype with relatively higher yield potential. The experiment was conducted in split plot design with three replications to evaluated two soils management practices were (i) Recommended fertilizer (N_1ooP_3oK_5oS₂₀) with all the production package oj WRC (Timely sowing, one weeding, 3 irrigations). (ii) Treatment 1 plus soil treatment (Application oj granular fungicide in moist soil before seeding) with plant protection (Foliar application of tilt at anthesis and grain filling) and one additional irrigation (Schedules: 17-21, 35- 40, 55-60, 75-80 DAS) in the main plot and Eight variety/lines were i) Shatabdi, iI) Prodip, iii) Bijoy, iv) BARl Gom-25, v) BARl Gom-26, vi) BAW 1051 vii) BAW 1135 and viii) BAW 1141 in sub plot. Best management practice with Prodip, Bijoy and BAW 1141 were better performance among the genotypes/varieties.

Keywords: Wheat varieties, Soil Fertility, Genotype

Location: Regional Wheat Research Centre, Shyampur, Rajshahi, Bangladesh

Start Date:

End Date:

Program Area: Farming System

Commodity: Wheat

Objectives:

1. To investigate the varietals/genotypic potentiality in producing maximum yield under different soil and environmental conditions.

2. To estimate the input use efficiency of wheat genotypes.

3. To support wheat breeding program in selecting the genotype with relatively higher yield potential.

Methodology:

A field experiment was conducted in the research field of Regional Wheat Research Centre, Shyampur, Rajshahi, Bangladesh (24°3'N, 88⁰41E, 18 m above sea level). The site has a subtropical climate and is located in Agro ecological Zone 11 (High Ganges River Flood Plan) on flood-free high land, with course-textured, highly permeable soil. The area receives 1,257 mm mean annual rainfall, about 97% of which occurs from May to September. Total rainfall was highest during the mungbean season and lowest in the wheat season in all years. The experiment was laid out in split plot design with three replications. Two soils management practices were (i) Recommended fertilizer (N₁₀₀P₃₀K₅₀S₂₀) with all the production package of WRC (Timely sowing, one weeding, 3 irrigations). (ii) Treatment 1 plus soil treatment (Application of granular fungicide in moist soil before seeding) with plant protection (Foliar application of tilt at anthesis and grain filling) and one additional irrigation (Schedules:17-21, 35-40, 55-60, 75-80 DAS) in the main plot and Eight variety/lines were i) Shatabdi ii) Prodip iii) Bijoy iv) BARl Gom-25 v) BARl Gom-26 vi) BAW 1051 vii) BAW 1135 and viii) BAW 1141 in sub plot. The size of the main plot was 15m x 5m (8 rows of each genotype will be grown 5m length considering as sub-plot). Seeds were sown in 25 November 2010.Two-thirds of the N and all others fertilizers were applied in the final land preparation and remaining one-third of urea was applied at crown root initiation (CRI). According to the treatments all management practices were done in due time.

Source of Information: Annual Research Report 2011-2012, RWRC, BARI, Rajshahi, Page:24-26, Publication June 2012

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Management was very important to produce higher yield. It was also depend on also good variety. Maximum yield was found from best management practices with Prodip, BAW 1135 and BAW 1141 lines. However, yield potential was higher in BAW 1135, 1141 and Prodip genotypes. So, BAW 1135, 1141 and Prodip genotypes were recommended under best management practices.

Knowledge Management: Report/Proceedings