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Preliminary Yield Trial with Early Maturing F6 (cross Between BINAsarisha-4 and Tori-7) Rapeseed Lines.

Dr. M. A. Malek
Chief Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh

Khadija khatun
Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh, Bangladesh

Abstract/ Executive Summary:

Eleven mutant lines of rapeseed cross between Binasarisha-4 and Tori-7 were put into the trial. The trial was conducted in the BINA HQ. farm, Mymensingh and in the farms of BINA sub-stations at Ishurdi. The experiment was laid out in a randomized complete block design with three replications. Significant variations were observed among the mutants and check variety for some of the characters in both the locations and combined over locations. On an average, maturity period of the F₆ lines varied from 79-82 days which was 2-5 days earlier than Tori-7. The line RC-3 had the highest plant height (97.6 cm) having non-significant difference with Tori-7 (93.4 cm) while RC-6, RC-8 and RC-9 had the shortest plant height of 87 cm. The average number of branches per plant ranged from 3.4-4.0. The lines RC-5 and RC-9 produced highest number of siliqua plant^-1 (104.6). The number of seeds siliqua^-1 ranged from 14.4 -16.4. On an average, RC-4 (1189 kg ha^-1), RC-5 (1183 kg ha^-1) and RC-10 (1140 kg ha^-1) produced the highest seed yield which were statistically similar yield of the check Tori-7. Between the three locations, Rangpur showed slightly better performance in respect of seed yield (1215 kg ha^-1).

Keywords: Preliminary yield trial, Rapeseed mutants, Yield

Location: BINA HQ. farm, Mymensingh and the farms of BINA sub-stations at Ishurdi

Start Date: 15-11-2011

End Date: 23-01-2012

Program Area: Crop-Soil-Water Management

Commodity: Mustard

Objectives:

Objective of the study was to see the performance of eleven mutants line in respect of growth and yield against check variety Tory-7

Methodology:

Eleven mutant lines of rapeseed cross between Binasarisha-4 and Tori-7 were put into the trial. The trial was conducted in the BINA HQ. farm, Mymensingh and in the farms of BINA sub-stations at Ishurdi. The experiment was laid out in a randomized complete block design with three replications. Seeds were sown on 15 November in BINA Head Quarters 28 October at Ishurdi and 05 November at Rangpur. Unit plot size was 12 m² (4 m × 3 m) with 25 cm row to row spacing and 6-8 cm from plant to plant within rows. Recommended production packages i.e., application of fertilizers, weeding, thinning, irrigation, application of pesticide etc. were followed to ensure normal plant growth and development. Data on plant height, branches plant^-1, siliquae plant^-1 and seeds siliqua^-1 were taken from 10 randomly selected plants from each plot. Maturity period was counted when 70% siliquae were matured. Seed yield of each plot was recorded after harvest and then converted into kg ha^-1. Appropriate statistical analysis were performed for comparison of means of each character.

Source of Information: BINA Annual Report 2011-12, page no. 32-33, BINA, Mymensingh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The mutants line RC-4 (1189 kg ha^-1), RC-5 (1183 kg ha^-1) and RC-10 (1140 kg ha^-1) produced the highest seed yield which were statistically similar yield of the check Tori-7. Between the three locations, Rangpur showed slightly better performance in respect of seed yield (1215 kg ha^-1).

Knowledge Management: Report/Proceedings