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Growth and Yield Performances of Rice Under Different Salinity Regimes

Dr. M. A. Salam
Ex-Director (Research)
Bangladesh Institute of Nuclear Agriculture, Mymensingh

Dr. Md. Tariqul Islam
Principal Scientific Officer and Head
Crop Physiology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted with five rice lines along with a variety Iratom-24 at Benarpota farm, Satkhira during December 1992 to May 1993. Four salinity treatments were developed with shallow tube well water and river saline water and EC (salinity) of soil was measured during crop growth. The experiment was laid out in a split plot design with sality treatments in main plot and lines were in the sub-plots. There was a gradual decrease of biomass and yield in most of the lines with the increase in salinity. Under the salinity treatments, BINA-19 showed the best yield performance followed by BINA-13 and BINA-163.

Keywords: Salinity, Total dry matter, Yield, Yield attributes, Rice

Location: BINA, Mymensingh, Bangladesh

Start Date: 00-12-1992

End Date: 00-05-1993

Program Area: Risk Management in Agriculture

Commodity: Rice

Objectives:

To assess the effect of salinity on rice genotypes and to find out salt tolerant genotype

Methodology:

A field experiment was carried out with 5 advanced rice lines viz. BINA-3, BINA-13, BINA-19, BINA-28 and BINA-163 and a variety Iratom-24 under varied salinity regimes at Benarpota farm, Satkhira during December 1992 to May 1993. These lines were developed at BINA. The treatments for this experiment were: 100% shallow tube well water, 75% shallow + 25% river saline water, 50% shallow + 50% river saline water and 100% river saline water. The EC values (salinity) were shown in figure. The experiment was laid out in a split plot design with salinity treatments in the main plot and lines were in the sub-plots. The plot size was 1.0 x 0.5 m with 20 x 15 cm plants spacing. Salinity treatments were imposed at the advent of tillering stage. Data on total dry matter at 57 days after transplanting and yield were recorded. Data were analyzed statistically and Least Significant Difference (LSD) was used to compare the means.

Source of Information: BINA Annual Report, 1992-1993: page 46-48, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Rice lines BINA-19, BINA-13 and BINA-163 showed better yield performance under salinity.

Knowledge Management: Report/Proceedings