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Multilocation Trial of Promising Hybrid (on-station & On-farm) for Boro Season 2008-09

Anowara Akter
Scientific Officer
Hybrid Rice Division Bangladesh Rice Research Institute Bangladesh, Gazipur-1701

Abstract/ Executive Summary:

This experiment was conducted at different locations viz. Gazipur, Comilla, Satkhira, Barisal and Rangpur .Stability performance were investigated on grain yield with six rice genotypes in five environments. Thirty days old seedlings were transplanted in 30m² sized plot following RCB design with 3 replications using single seedling per hill. Spacing was 20 x 15 cm. Fertilizers were applied @ of 270:130:120:70:10 kg/ha Urea, TSP, MP, gypsum and ZnSO4 respectively. The combinations Gan46A/ BRRI10R and BRRI 9A/BRRI11R produced more than 2 t/ha yield advantage compared to BRRI dhan28 with similar growth duration. Another combination BRRI11A/ BRRI11R showed yield advantage from 1.27 to 2.62 t/ha over BRRI dhan28 with similar growth duration.

Keywords: Multilocation Trial, Stability, Hybrid rice

Location: Gazipur, Comilla, Satkhira, Barisal and Rangpur

Start Date: 15-11-2008

End Date: 25-05-2009

Program Area: Variety and Species

Commodity: Rice

Objectives:

To evaluate the experimental hybrids developed locally by hand crossing

Methodology:

Three promising hybrids( BRRI11A/BRRI11R, BRRI9A/BRRI11R Aand Gan46A/BRRI10R) with three checks ( BRRI dhan 28, BRRI dhan29 and BRRI hybrid dhan2) were evaluated in the Headquarter and four R/S . Thirty days old seedlings were transplanted in 30m² sized plot following RCB design with 3 replications using single seedling per hill. Spacing was 20 x 15 cm. Fertilizers were applied @ of 270:130:120:70:10 kg/ha Urea, TSP, MP, gypsum and ZnSO₄ respectively. Other necessary operations were done when it required.

Source of Information: BRRI Anual Report,2008-2009, Page no-9, BRRI, Gazipur-1701, Bangladesh.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The BRRI 1A/BR 168R and BRRI 10A/ BRRI 10R combinations were found yield advantage by 1.07 to 2.28 t/ha and 2.02 to 2.27 t/ha respectively compared to check-2 (BRRI dhan -28) with apparently similar growth duration IR58025A/ BRRI 10R were found.

Knowledge Management: Report/Proceedings