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Preliminary Yield Trial with Some Homozygous Salt Tolerant Wheat Lines

Dr. M. A. K. Azad
Chief Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh

Hasanuzzaman Rony
Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh

Abstract/ Executive Summary:

The experiment was conducted at the Experimental field of Genetics and Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh and BINA Sub-Stations Satkhira with a view to select out salt tolerant wheat lines with higher yield, this experiment was carried out with 37 homozygous wheat lines. The experiment followed RCB design with 3 replications and set at two locations. It appears that interaction of line and location for plant population, plant height, number of effective tiller number, grains panicle^-1 and grain yield ha^-1 were significant. Only panicle length did not differ significantly. This means yield and yield attributes of wheat differ with change in location except panicle length. Yield and yield attributes of the lines had lower scores in saline area at Satkhira than the non saline area at Mymensingh. Plant population ranged 19-45 at Satkhira with the lowest in the check variety Pradip while the highest in L-880-1 followed by L-880-5. In contrast, it ranged 16-39 at Mymensingh with L-879-22 being the lowest while L-880-34 the highest. The line(s) that could maintain higher population in the saline soil mostly produced higher yields. Three lines L-880-5, L-880-1 and L-880-43 produced significantly higher yield than the check variety Pradip in the saline area. In contrast, none of the tested lines produced higher yield than Pradip in the non saline area at Mymensingh despite some of them appeared statistically at par. Finally, it could be concluded that L-880-5, L-880-1 and L-880-43 would be tested over other locations in the saline area to assess performance in terms of yield in Advance Yield Trial, next year.

Keywords: Preliminary yield trial, Homozygous, Salt tolerant wheat lines

Location: Experimental field of Genetics and Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh and BINA Sub-Stations Satkhira

Start Date: 00-00-2011

End Date:

Program Area: Variety and Species

Commodity: Wheat

Objectives:

Objective of this study was to select out salt tolerant wheat lines with higher yield.

Methodology:

The experiment was conducted at the Experimental field of Genetics and Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh and BINA Sub-Stations Satkhira with a view to select out salt tolerant wheat lines with higher yield, this experiment was carried out with 37 homozygous wheat lines viz., L-885-10, L-61-7, L-61-12, L-61-15, L-61-28, L-61-33, L-61-33, L-61-34, L-61-35, L-61-37, L-879-2, L-879-4, L-879-5, L-879-11, L-879-22, L-879-32, L-879-33, L-879-34, L-880-1, L-880-5, L-880-7, L-880-10, L-880-11, L-880-13, L-880-14 along with the popular wheat variety, Pradip. The experiment followed RCB design with 3 replications and set at two locations. Of the two locations one was at Satkhira in saline area and the other at Mymensingh in the non saline area. Three lines of 2.0 m length comprised a unit plot. Seeds were sown on 1^st December at Satkhira and at Mymensingh in 2011. Recommended doses of fertilizers, cultural and intercultural operations were followed where necessary. Soil salinity records were gathered during sowing, vegetative and flowering stages. Data on plant number, plant height, effective tiller number, panicle length, grains panicle^-1 and grain yield plot^-1 were recorded at harvest. Grain yield plot^-1 was converted to kg ha^-1 latter. Finally, all the collected data were subjected to proper statistical analysis.

Source of Information: BINA Annual Report 2011-12, Pages no. 19-22, Mymensingh-2202

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The mutants L-880-5, L-880-1 and L-880-43 would be tested over other locations in the saline area to assess performance in terms of yield in Advance Yield Trial, next year.

Knowledge Management: Report/Proceedings