BINAMASH-2, A GAMMA RAY INDUCED HIGH YIELDING BLACKGRAM MUTANT VARIETY

  • S. Roy Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    S.M.A. Alim Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    S.R. Ghosh Entomology Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh

    M.R.I. Akondo Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202

    S. Chowhan BINA sub-station, Ishurdi, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh

    M.K.J. Ali BINA sub-station, Jamalpur, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh

Abstract

Blackgram is one of the most important pulse crops extensively grown in Bangladesh with multiple uses. Genetic improvement of blackgram is highly impeded due to narrow genetic base whilst hybridization and recombination is rather difficult because of its auto-gamous nature. Viewing these constraints, an induced mutation, using gamma irradiation, creating genetic variation, resulting in the creation of new varieties with better characteristic was undertaken. The mutants were derived from three popular varieties, BARI Mash-1, BARI Mash-2 and BARI Mash-3 which were treated with gamma irradiation (400, 500 and 600 Gy doses) subsequent selection and field trials were conducted with a view to select mutant with desired traits during 2011 to 2020. The mutant BM-404 out yielded the checks and other mutants with other desired characters like earliness, bolder seed and erect plant type. This mutant also showed moderately resistant to Yellow Mosaic Virus, cercospora leaf spot and Hairy caterpillar. Therefore, we applied to the National Seed Board (NSB) of Bangladesh for registration and the mutant line BM-404 was registered namely Binamash-2 as a national modern variety in 2021.

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Section
Research Article