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Seed and Nutritional Quality Assessment for Improvement of Black Cumin Under Environmental Stress Condition

Dr. M. Mofazzal Hossain
Professor
Department of Horticulture, BSMRAU, Gazipur.

Abstract/ Executive Summary:

Seed production of black cumin was investigated at Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during winter 2012-13. Two experiments were carried out to fulfill the objectives of the study. Among the genotypes, variations were observed in respect of days to emergence, flower bud initiation, fruit setting, fruit ripening, plant height, number of branches, leaf and capsule size, pedicle length, biological yield and seed yield. Exotic genotype gave the highest seed yield (2.36 t/ha) followed by BARI Kalojera-1(2.05 t/ha), Faridpur local (1.96 t/ha) and Natore local (1.82 t/ha). Oil content was higher in BARI Kalojera-1 and Natore local was found superior in almost all mineral nutrients content. Among the genotypes, Natore local had the highest amount of potasium (1.18%) and calcium (0.66%) content in the seeds of black cumin. In conclusion, exotic genotype had the highest yield potential where as genotypes Natore local content the highest nutrients content.

Keywords: Seed and nutritinal quality, Black cumin, Environmental stress condition

Location: Horticulture Research Field, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Black cumin

Objectives:

•To improve the indigenous and exotic cultivars of Black cumin on basis of yield and nutritional quality.

•To determine medicinal value of Black cumin cultivars.

•To study of various factors relating to seed quality deterioration.

•To find out the yield potentiality of black cumin under different agro-ecological zones in Bangladesh.

Methodology:

The study was conducted at the Horticulture Research Field, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur during the rabi season of 2012-13. Laboratory analysis was done at the Seed Science and Technology laboratory, Seed Science and Technology unit, Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU). Four cultivars were used in this experiment as exotic, Iran (V1), BARI kalojeera-1(V2), Local, Faridpur (V3) and Local, Nature (V4). Imported exotic (Iran) cultivars were collected from Laltir Seed company, Gazipur; BARI kalojeera-1 from Bangladesh Agricultural Research Institute, Gazipur; Local ( Faridpur ) and Local ( Natore ) were collected directly from farmers of Faridpur and Natore respectively. The seeds were soaked in water for 24 hours in order to facilitate germination. They were dried and treated by Bavistin @ 2 g/kg of seed to minimize the primary seed-borne diseases. The experiment plots were manuered and fertilized with cowdung, urea, TSP and MP at the rate of 10 t, 125, 95 and 75 kg/ha respectively .The experiment was laid out in a randomized complete block design with three replications. The seeds were mixed with some loose soil to allow uniform sowing in rows. Then, seeds were sown in rows 15 cm apart continuously by hand @ 10 kg/ha , maintaining a depth of one cm. Continuous line sowing was done to faciliate to main plant to plant distance 10 cm by rouging later on . The sowing was done on November 1, 2010 with slight watering just to supply sufficient moisture for proper germination. Crop protection Fungicide Bavistin @ 2 g/L was sprayed to control damping off. The spray was done 2 times at an interval of 10 days from 25 days after sowing. There was no insect attack to the crop. The crop was harvested when 50% of the capsules color changed from green to straw color. In each unit plot, 10 plants were selected randomly for recording data.

Source of Information:

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Exotic genotype gave the highest seed yield (2.36 t/ha) followed by BARI Kalojera-1(2.05 t/ha), Faridpur local (1.96 t/ha) and Natore local (1.82 t/ha). Oil content was higher in BARI Kalojera-1 and Natore local was found superior in almost all mineral nutrients content. Among the genotypes, Natore local had the highest amount of potasium (1.18%) and calcium (0.66%) content in the seeds of black cumin. In conclusion, exotic genotype had the highest yield potential where as genotypes Natore local content the highest nutrients content.

Knowledge Management: