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Effect of Varying Population Densities on the Growth and Yield Potentials of Different Sesame Strains

S. I. Chowdhury
BINA, Mymensingh

Dr. A. F. M. Saiful Islam
BINA, Mymensingh

Dr. Md. Abdul Baset Mia
Crop Physiology Division, BINA, Mymensingh

Dr. Md. Tariqul Islam
Principal Scientific Officer and Head
Crop Physiology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh

Dr. M. A. Salam
BINA, Mymensingh

Abstract/ Executive Summary:

Three separate experiments were conducted, one at BINA farm, Mymensingh with sesame genotype T-6, two at RARS farm, Ishurdi with local sesame cultivars Sirajganj-1 (black seeded) and Sirajganj-2 (brown seeded) during the period from March to June 1992. The experiments were laid out in a split-plot design with three replications. The row spacing was placed in the main plots and plant population in the sub-plots. Fertilizers were applied at the rate of 50 kg N, 45 kg P₂O₅ and 30 kg K₂O per hectare in the form of urea, TSP and MP respectively. Five plants from each plot were harvested at a regular intervals from pre-flowering vegetative stage up to maturity to collect data on plant height, leaf area and total dry matter per plant. Net assimilation rate (NAR) and Crop Growth Rate (CGR) were calculated from the leaf area and total dry matter (TDM). Yield contributing parameters and yield were collected at maturity. Data were analyzed statistically and Duncan's Multiple Range Test was done to compare the means. For cultivation of sesame, a row width of 40 cm with 75 plants/m² showed optimum for getting high yield. T-6 sesame cultivar showed higher CGR, NAR and harvest index with higher yield compared to other two cultivars.

Keywords: Crop growth rate, Net Assimilation rate, Morphological characters, Sesame yield

Location: BINA, Mymensingh

Start Date: 00-03-1992

End Date: 00-06-1992

Program Area: Variety and Species

Commodity: Sesame

Objectives:

Objective of the study was to find out morpho-physiological characters in sesame for higher yield

Methodology:

Three separate experiments were conducted, one at BINA farm, Mymensingh with sesame genotype T-6, two at RARS farm, Ishurdi with local sesame cultivars Sirajganj-1 (black seeded) and Sirajganj-2 (brown seeded) during the period from March to June 1992. The experimental treatments were three row spacing of 20, 30 and 40 cm and three population density of 25, 50 and 75 plants/m². The experiments were laid out in a split-plot design with three replications. The row spacing was placed in the main plots and plant population in the sub-plots. Fertilizers were applied at the rate of 50 kg N, 45 kg P₂O₅ and 30 kg K₂O per hectare in the form of urea, TSP and MP respectively. Five plants from each plot were harvested at a regular intervals from pre-flowering vegetative stage up to maturity to collect data on plant height, leaf area and total dry matter per plant. Net assimilation rate (NAR) and Crop Growth Rate (CGR) were calculated from the leaf area and total dry matter (TDM). Yield contributing parameters and yield were collected at maturity. Data were analyzed statistically and Duncan's Multiple Range Test was done to compare the means.

Source of Information: BINA Annual Report, 1991-1992: pages 87-93, Mymensingh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

T-6 sesame cultivar showed higher crop growth rate (CGR), net assimilation rate (NAR) and harvest index with higher yield compared to other two cultivars. A row width of 40 cm with 75 plants/m² showed optimum for getting high yield in sesame cultivation.

Knowledge Management: Report/Proceedings