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Yield and Yield Attributes of Rapeseed as Influenced by Date of Planting

M. S. Bhuiyan
Chief Scientific Officer
Crops, Bangladesh Agricultural Research Council, Farmgate, Dhaka

M. R. I. Mondol
Lecturer
Soil Science Division, Bangabandhu Sheikh Mujibur Rahman Agricultural University

M. A. Rahman
Scientific Officer
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

M. S. Alam
Scientific Officer
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

A. H. M. A. Faisal
Scientific Officer
Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

Abstract/ Executive Summary:

An experiment was conducted at the Agriculture Research Station, Bangladesh Agricultural Research Institute, Burirhat, Rangpur during Rabi season of 2004-05 to find out optimum planting time for the newly selected genotype BCYS-03. There were five planting dates viz. October 20, October 30, November 10, November 20 and November 30. Significant variations due to different planting dates were observed in days to flowering, days to maturity, plant height, number of primary branches plant^-1, siliqua plant^-1, seeds siliqua^-1, 1000-seed weight, seed yield plant^-1, stover yield ha^-1and seed yield ha^-1. Results showed that the highest seed yield (1.86 t ha^-1) was obtained from the second planting (October 30) and it was significantly different from the yields of all other dates of planting. All other yield attributes were also found higher in the plants of second planting. The seed yield (1.47 t ha^-1) of last planting (November 30) was also satisfactory because of the prolong winter season prevails in the northern part of the country.

Keywords: Planting time, Yield attributing characters, Mustard genotype BCYS-03

Location: Farm of Agricultural Research Station, Burirhat, Rangpur

Start Date: 00-10-2004

End Date: 00-02-2005

Program Area: Crop-Soil-Water Management

Commodity: Mustard

Objectives:

Objective of the study were-

To find out the optimum planting time for the genotype for higher seed yield
To study the effect of sowing time on yield attributes and seed yield in the northern part of Bangladesh

Methodology:

The research work was conducted at the Agricultural Research Station, Burirhat, Rangpur during October 2004 to February 2005. One newly selected genotype of Brassica campestris L. BCYS-03 of Oilseed Research Centre, BARI was used for the experiment. There were five planting dates for the experiment as follows: D₁ = October 20, D₂ = October 30, D₃ = November 10, D₄ = November 20 and D₅ = November 30. The experimental design was Randomized Complete Block Design (RCBD) with four replications having unit plot size 4m X 3m. The fertilizer dose used for the experiment was 120, 35, 90, 27, 3 and 0.8 kg ha^-1 of N, P₂O₅, K2O, S, Zn and B in the form of urea, triple super phosphate, muriate of potash, gypsum, zinc sulphate, and boric acid respectively. Half of the urea and whole amount of all other fertilizers were applied in the unit plots at the time of final land preparation prior to sowing. The remaining half of the urea was applied as top dressing in 22 days after emergence of seedlings. Weeding cum thinning, irrigation and insect & disease control measures were done as per requirement. At maturity ten randomly selected sample plants were collected separately from each plot for data collection. Data were collected on the days to emergence, days to 1^stflowering, days to flowering (50%), days to maturity, plant height (cm), number of primary branches plant^-1, number of siliqua plant^-1, number of seeds siliqua^-1 , weight of seeds plant^-1, thousand seed weight, stover yield, seed yield ha^-1 and biological yield. The Collected data were statistically analyzed using MSTAT-C statistical programme. The analysis of variance and level of significance along with the Least Significant Difference (LSD) Test were done. Meteorological data on rainfall, temperature and relative humidity of the growing period have been collected.

Source of Information: Int. J. Sustain. Crop Prod. 3(3):25-29, 2008

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Mustard genotype BCYS-03 may be sown from the end of October to November 30 in the northern parts of the country.

Knowledge Management: Journal