BINAMORICH-1: A HIGH YIELDING MUTANT VARIETY OF CHILI USE AS SPICES, SALAD AND VEGETABLES

Abstract

With a view to develop a high yielding mutant variety of chili, 1000 seeds of the local landrace of china with low yield but highly to most of the pest and disease were irradiated with (75 Gy, 150 Gy and 300 Gy) gamma rays in 2012 at seibersdorf laboratory, Vienna, Austria. At maturity, all M1 plants were harvested and seeds were kept separately. During M2 and M3 generations, selection was conducted following high mean and high/low variances compared to the check. In M4 and M5 generations, comparative yield assessment was done in several locationsviz; Mymensingh, Ishwardi, Magura,Rangpur, Bogura, Khagrachari, Cumilla and farmer’s field in rabi season.Five true breeding lines were selected in a preliminary yield trial at M5 generation, based on plant height, number of fruits, fruit length, fruit diameter, average single fruit weight and fruit yield. Based on the same criteria, in an advance yield trial, these mutant lines were further evaluated. Of these five mutant lines, chiliD75P1 produced the highest average yield with higher fruit length and diameter than the parent line and check variety, found in both, farmer’s field and on-station trials. This chiliD75P1 has been registered as high yielding variety of chili (Binamorich-1) for commercial cultivation by National Seed Board of Bangladesh(NSB) in 2017.

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