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Advanced Yield Trial with Promising Sesame Mutants

Md. Abdul Malek
Principal Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

Mst. Khadija Khatun
Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

Abstract/ Executive Summary:

Significant variations among the four mutants and check varieties for all the characters in both of individual location and combined over locations. On an average, plant height ranged from 87 cm in SM-black to 103 cm in BARI til-2 and Binatil-1. Mutant SM-09 and BARI Til-2 produced the highest number of branches/plant as compared to other mutants and check variety Binatil-1. Two mutants, SM-8 and SM-9 produced significantly higher number of capsules/plant (59 and 64, respectively), which resulted in significantly higher seed yield in both locations and combined over locations (1550 and 1611 kg/ha, respectively).

Keywords: Sesame, Germplasm, Yield trials, Evaluation, Selection

Location: Experimental field of BINA sub-station farms at Ishurdi and Magura

Start Date: 01-01-2013

End Date: 31-12-2013

Program Area: Variety and Species

Commodity: Sesame

Objectives:

To evaluate the performance of four advanced mutants lines as compared to two check varieties in respect of maturity period, seed yield and yield contributing characters at two different locations of Bangladesh.

Methodology:

Four advanced mutants and two check varieties (Binatil-1 and BARI Til-2) were evaluated. The mutants and check varieties were laid out in a randomized complete block design with three replications. Unit plot size was 20 m² (4 m × 5 m) keeping 25 cm spacing between rows and 6-8 cm among the plants in a row. Seeds were sown on 1st week of March 2013. Recommended production packages like application of recommended doses of fertilizers, weeding, thinning, irrigation, application of pesticide etc. were followed to ensure normal plant growth and development in each plot. Data were taken for plant height, branches/plant, capsules/plant and seeds/capsule from 10 randomly selected plants from each plot. Maturity period was counted when 80% capsules were matured and most of the plants turned into straw or yellowish color in each plot. Seed yield of each plot was recorded after harvest and converted into kg/ha. Appropriate statistical analysis were performed for comparison of means of each character. Mean differences of different parameters were tested by Duncan`s Multiple Range Test (Gomez and Gomez, 1984)

Source of Information: Plant Breeding Division, Annual research report, 2012-2013

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Among four lines and check varieties, SM-8 and SM-9 were produced the highest number of capsules plant-1(59 and 62 respectively), seeds capsule-1(60 and 63 respectively), highest seed yield (1550 and 1611 kg ha^-1) along with higher 1000-seed weight. Because of the higher number of capsule per plant and higher seed yield potential SM-8 and SM-9 were the best performer than the other lines and the check varieties regarding seed yield and yield contributing characters. Both mutants SM-8 and SM-9 need further evaluation in different locations of the country to register as varieties.

Knowledge Management: Report/Proceedings