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Performance of Advanced Grasspea Genotypes/varieties Under Different Levels of Irrigation Water Salinities (2015-2016)

M. A. Hossain
Irrigation and Water Management Division, BARI, Gazipur, Bangladesh

A. R. Akanda
Irrigation and Water Management Division, BARI, Gazipur, Bangladesh

S. K. Biswas
Irrigation and Water Management Division, BARI, Gazipur, Bangladesh

M. Omar Ali
Irrigation and Water Management Division, BARI, Gazipur, Bangladesh

Abstract/ Executive Summary:

This study was conducted in plastic pots in the polyhouse of Irrigation and Water Management (IWM) Division at Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh during 2014-2015. A total of 5 (five) grasspea genotypes and 1 (one) variety were considered for trial. Three (3) levels of salinities i.e. 4 dS/m, 8 dS/m, and 12 dS/m were considered in irrigation water. Among the six genotype/varieties, 2 (two) of them i.e. SEL-1348 and BKX-002-4 performed well upto salinity of 8 dS/m. Among the two genotypes, SEL-1348 performed very well (69.92 g/plant at 4 dS/m and 45.55 g/plant at 8 dS/m). The genotype, BKX-002-4 produced some less yield per plant (41.51 g/plant at 4 dS/m and 36.67 g/plant at 8 dS/m) than those of genotype, SEL-1348. These two genotypes can be tested in saline soils in up coming season.

Keywords: Soil salinity, Saline water irrigation, Water salinity, Irrigation, Water management

Location: Irrigation and Water Management (IWM) Division at Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladess

Start Date: 00-00-2014

End Date: 00-00-2015

Program Area: Variety and Species

Commodity: Water salinity, Water management, Gardenpea

Objectives:

To screen out the genotypes/cultivars/lines against different levels of soil salinity
To evaluate the effectiveness of saline water irrigation

Methodology:

The experiment was conducted in plastic pots in the polyhouse of Irrigation and Water Management (IWM) Division at Bangladesh Agricultural Research Institute (BARI), Gazipur, Bangladesh during 2014-2015. Six (6) genotypes/varieties (BKX-0002-4, SEL-1335, SEL-1345, SEL-1348,SEL-1351and BARI Khesari-3) were tested under different levels of irrigation water salinity during 2013-2014. Seeds of different khesari genotypes/variety were sown in pots on 12 November, 2014, with 3 seeds sown in a pot. Each pot was filled up with sandy loam fresh (Non-saline) soils. Irrigation was applied with fresh water for proper germination. Three gazi tanks were used for 3 levels of water salinity. Salinity was created artificially in irrigation water with a mixture of Cacl₂ and Nacl at a ratio of 1:2. Irrigation was applied through pipe systems. Recommended doses of fertilizers were used. Soil and water salinities were monitored at 7 days’ interval. The crop was harvested on 10 March 2015. All physiological and yield contributing characters were recorded. The treatments were as follows:

Treatments

T₁= Saline water irrigation with salinity of 4 dS/m

T₂= Saline water irrigation with salinity of 8 dS/m

T₃= Saline water irrigation with salinity of 12 dS/m

Each treatment was replicated four times during 2014-2015.

Source of Information: Annual Research Report 2015-2016, Irrigation and Water Management Division, BARI, Gazipur, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The two promising grasspea genotypes SEL-1348 and BKX-002-4 performed well against the irrigation water salinity upto 12 dS/m during the screening of 2014-15 in pot culture. These two genotypes will be tested in saline soils in the up coming season.

Knowledge Management: Report/Proceedings