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Performance of Some Promising M5 Sesame Mutant Lines

M.A. Malek
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh-2202, Bangladesh

F.I. Monshi
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture (BINA), Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

An experiment was carried out at the BINA sub-station farms, Magura and Ishurdi during kharif-I of 2008 to evaluate the performance of twelve M5 sesame mutant lines (SM-01-04, SM-02-04, SM-03-04, SM-04-04, SM-05-04, SM-06-04, SM-07-04, SM-08-04, SM-09-04, SM-10-04, SM-11-04 and SM-12-04) along with two check varieties (Binatil-1 and Baritil-2). Plant height, branches per plant, capsules per plant, seeds per capsule, days to maturity and yield per hectare were studied to determine the performance of the selected mutant lines. Highly significant variations were observed both in individual locations and in combined over locations for all the traits. In combined over locations, the highest number of branches (2.8) and capsules (65) per plant were obtained in the mutant line SM-10 with short duration (84 days). Mutant line SM-11 produced the highest yield (1779 kg/ha) followed by SM-10 (1773 kg/ha). The highest yield (2184kg/ha) was found in Magura sub-station than Ishurdi (1053kg/ha) with minimum time (81 days).

Keywords: Performance, Mutants, Sesame, Promising

Location: BINA (Bangladesh Institute of Nuclear Agriculture) sub-station farms, Magura and Ishurdi

Start Date: 00-02-2008

End Date: 00-05-2008

Program Area: Variety and Species

Commodity: Sesame

Objectives:

1. To evaluate the performance of twelve M5 sesame mutant lines in the farms of BINA sub-station at Magura and Ishurdi.

Methodology:

The trial was carried out at the BINA (Bangladesh Institute of Nuclear Agriculture) sub-station farms, Magura and Ishurdi during kharif-I of 2008. Twelve M5 mutant lines (SM-01-04, SM-02-04, SM-03-04, SM-04-04, SM-05-04, SM-06-04, SM-07-04, SM-08-04, SM-09-04, SM-10-04, SM-11-04 and SM-12-04) along with two check varieties (Binatil-1 and Baritil-2) were evaluated by laying out in a randomized complete block design with three replications. Unit plot size was 12 m2 (4m x 3m) keeping 25 cm spacing between rows and 8-10 cm between plants in a row. At both the locations, seeds were sown in the 23 to 27 February, 2008. The crop was fertilized with cow dung, urea, TSP and MoP @ 8 tons, 180 kg, 130 kg and 80 kg per ha, respectively. Recommended production package like weeding, thinning, irrigation, application of pesticide etc. were followed to ensure normal plant growth and development. Data were taken for plant height, branches per plant, capsules per plant and seeds per capsule from 10 randomly selected plants from each plot. Maturity period was counted when 80% capsules were matured and turned into yellowish colour in each plot. Seed yield of each plot was recoded after harvest and then converted into kg/ha. Statistical analyses were performed and the mean values of each character were done by Duncan’s Multiple Range Test

Source of Information: J. Agrofor. Environ. 4 (1): 85-88, 2010; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the above experiment, it can be stated that mutation breeding is the most relevant tool to create genetic variations in quantitative characters of plant species which have narrow genetic base. Thus, plant breeders could get a good scope for selection of mutation with desirable characters, such as with early maturing mutants with tolerance to stresses (salinity and drought) and high seed yield and oil content yields. Therefore, it can be concluded that gamma irradiation could create useful variability in most of the characters studied in sesame genotypes that helped in selection of promising mutants in M6 and M7 generations.

Knowledge Management: Journal