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Binamasur-l, an Induced High Yielding Lentil Mutant Variety

M. A. Majid
Plant Breeding & Genetics Division, Bangladesh Institute of Nuclear Agriculture, P.O. Box No.4, Mymensingh 2200

S. Roy
Plant Breeding & Genetics Division, Bangladesh Institute of Nuclear Agriculture, P.O. Box No.4, Mymensingh 2200

Q. N. Ahmad
Professor
Department of Genetics and Plant Breeding, Bangladesh Agricultural University, Mymensingh-2202

M. A. Samad
Plant Breeding & Genetics Division, Bangladesh Institute of Nuclear Agriculture, P.O. Box No.4, Mymensingh 2200

Abstract/ Executive Summary:

A high yielding variety was developed with datura seed extract on lentil cuitivar, Pabna local. Out of 527 M, plants, three produced black coated seeds in a few pods, the others were gray coated seeds on the same plant. Plants were selected upto M4 generations for black seed coat colour establishment. Evaluation of the mutant ML-432 was done at farmers' conditions at different agroecological zones of Bangladesh. This promising mutant showed higher yield with black coated seed, bushy, erect and much branched plant, tolerant to rust and blight diseases. The mutant line ML-432 has been released as a commercial cultivar, Binamasur-I in 2001.

Keywords: Binamasur-1, Induced high yielding lentil, Mutant variety

Location: Different agroecological zones of Bangladesh

Start Date: 00-00-1991

End Date: 00-00-1996

Program Area: Variety and Species

Commodity: Lentil

Objectives:

To develop a high yielding lentil variety with black coat colour genetic marker as well as disease resistant.

Methodology:

Freshly prepared seed extracts of datura (Datura metel) was applied for 10 hour on germinating seeds of Pabna local in petridish in 1988. Prior.to such treatment, the seed were soaked in' water overnight until the epicotyl gone started showing slight curvature and unfolding of the cotyledons. The treated seeds after overnight soaking in water were individually seeded in small polythene.bags containing manured soil. Three week old seedlings were then transplanted in the field. The MI plants were grown and harvested individually. Out of 527 M, plants, three produced black coated seeds in a few pod . the others bore gray coated seeds on the same plant. Selections Were made upto generations for true breeding type with black seed coat colour. Plant- progeny rows were grown in the following generations with normal spacing and cultural practices. During these years selections were practised on the basis of overall plant vigour and seed yield per plant with black seed coat colour character. Observation, preliminary, advanced and zonal yield trial were conducted during 1991-92, .1992:93, 1994-95 and 1995-96, respectively. Randomized , complete block design with three replications was followed in advanced and zonal yield trial. Unit plot size was 5m x 4m. Based on the yield performance of the previous years, two promising mutants, ML-432 and ML-22 were put into on-farm trials at different locations of the country in collaboration with the Department of Agricultural Extension (DAE) during 1996-97 and 1997-98. Unit plot size was 10m x 5m in each location. The mutant ML-432 was proposed as BINAMASUR- 1 to National Seed Board for variety registration. Data on some important traits and seed yield/plot were recorded.Plot yield data were converted into kilogram per hectare. Mean differences of different parameters including seed yield were , tested by Duncan's Multiple Range Test (Steel and Torrie, 1960).

Source of Information: Bangladesh 1. Nuclear Agric. 16& 17:43-48, 2001 ; ISSN 0258-7130

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

This promising mutant showed higher yield with black coated seed, bushy, erect and much branched plant, tolerant to rust and blight diseases. The mutant line ML-432 has been released as a commercial cultivar, Binamasur-1 in 2001.

Knowledge Management: Journal