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Preliminary Yield Trial with M6 Rapeseed Mutants (b. Juncea)

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, Mymensingh

Abstract/ Executive Summary:

The trial was conducted at BINA Head Quarters, Mymensingh and in the farms of BINA sub-stations at Ishurdi and Magura with a view to assess the yield performance of mutants lines during 2011 to 2012. The experiment was laid out in a randomized complete block design (RCBD) with three replications. Fourteen M₆ mutant lines of mustard (B. juncea) were used as planting material. On an average, maturity period varied from 92-108 days and MM-43 took 92 days to mature at Mymensingh which was 8-13 days earlier than BARI sarisha-11. The mutant line MM-31 produced the highest plant height (136 cm) having non-significant difference with BARI Sarisha-11 (130 cm) while MM-38, MM-39 and MM-43 produced the shortest plant height of 110 cm. The average number of branches per plant ranged from 2.4-3.2. The mutants lines MM-31 and MM-32 produced highest number of siliquae plant^-1 (132). The number of seeds siliqua^-1 ranged from 9.3-11.4. On an average, MM-37 (1465 kg ha^-1), MM-35 (1437 kg ha^-1) and MM-31 (1427 kg ha^-1) produced the highest seed yield which were statistically similar to the check BARI Sarisha-11. Between the two locations, Ishurdi showed slightly better performance in respect of seed yield (1380 kg ha^-1).

Keywords: Preliminary yield trial, M6 Rapeseed mutants, Yield

Location: BINA Head Quarters Farms, Mymensingh and farms of BINA sub-stations at Ishurdi and Magura

Start Date: 00-00-2011

End Date: 00-00-2012

Program Area: Crop-Soil-Water Management

Commodity: Mustard

Objectives:

Objective of the study was to assess their performance in respect of plant height, branches per plant, siliquae per plant, seeds per siliqua, maturity period and seed yield as compared to the check variety, BARI Sarisha-11.

Methodology:

Fourteen M₆ mutant lines of mustard (B. juncea) were put into the trial to assess their performance in respect of plant height, branches per plant, siliquae per plant, seeds per siliqua, maturity period and seed yield as compared to the check variety, BARI Sarisha-11. The trial was conducted at BINA Head Quarters, Mymensingh and in the farms of BINA sub-stations at Ishurdi and Magura. The experiment was laid out in a randomized complete block design (RCBD) with three replications. Seeds were sown on 16 November 2011 in Mymensingh, 28 October 2011 at Ishurdi. Unit plot size was 12 m² (4 m × 3 m) keeping 30 cm row to row spacing and 6-8 cm from plant to plant within row. Recommended production packages i.e., application of recommended doses of fertilizers, weeding, thinning, irrigation, pesticide etc. were followed as and when necessary. Data were taken from 10 randomly selected plants from each plot. Maturity period was considered when 70% siliquae and plant turned into brownish color in each plot. Seed yield of each plot was recorded after harvest and then converted into kg ha^-1. Appropriate statistical analysis was done for comparison of means of mutants and check for each character.

Source of Information: BINA Annual Report 2011-12, page no. 30-31, BINA, mymensingh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The mutant lines MM-37 (1465 kg ha^-1), MM-35 (1437 kg ha^-1) and MM-31 (1427 kg ha^-1) produced the highest seed yield. Between the two locations, Ishurdi showed slightly better performance in respect of seed yield (1380 kg ha^-1).

Knowledge Management: Report/Proceedings