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Performance of Some Modern Cultivars of Wheat Under Different Dates of Planting

M.A .R. Sarkar
Department of Agronomy, Bangladesh Agricultural University Mymensingh- 2202 Bangladesh

M.A. Islam
Department of Agronomy, Bangladesh Agricultural University Mymensingh- 2202 Bangladesh

A.K .M. Zakaria
Department of Agronomy, Bangladesh Agricultural University Mymensingh- 2202 Bangladesh

Abstract/ Executive Summary:

The experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during November 1984 to April 1985 to investigate the effect of dates of planting on the growth and yield of some modern cultivars of wheat. The experiment consisted of six planting dates, e.g., 15 and 25 November, 5, 15 and 25 December and 4 January and four modern wheat cultivars e.g., Kanchan, Ananda, Barkat and Akbar. The cultivars did not differ significantly among themselves in respect of grain yield. However, cultivar Barkat produced significantly the highest straw yield in comparison to other cultivars. Kanchan, Ananda and Akbar were similar in respect of straw yield. With regard to dates of planting, wheat planted, on 25 November and 5 December produced significantly higher grain yields in comparison to other dates of planting. The grain yield was severely reduced when planting was delayed to 25 December and 4 January. The influence of dates of planting on the straw yield was similar to that of the grain yield.

Keywords: Wheat, Modern cultivars, Dates of planting

Location: Bangladesh Agricultural University, Mymensingh

Start Date: 00-10-1984

End Date: 00-03-1985

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To determine the yield performance of some modern cultivars of wheat at different dates of planting

Methodology:

The experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the Rabi season (October-March) of 1984- 1985. The experiment consisted of 6 dates of planting, viz., 15 November, 25 November, 5 December, 15 December, 25 December and 4 January; and 4 cultivars of wheat, viz., Kanchan, Ananda, Barkat and Akbar. The experiment was laid out in a split-plot design with cultivars in the main plot and dates of planting in the subplots.The treatments were replicated thrice. All the treatments received a uniform application of 78-62-27 kg N, P₂0₅and K₂0 per hectare as urea, triple superphosphate and muriate of potash, respectively. Seeds were planted at the rate of 150 kg /ha in 25 cm apart rows on dates as specified in the treatment. Seeds were treated with Vitavax-200 at 2 g /kg of seeds prior to planting. Intercultural operations were done uniformly in all the plots. The plots were irrigated thrice on 17, 55 and 80 days after planting. However, the 4 January planted crop did not receive the third irrigation on 80 DAP as the crop was about to mature by that time. Crop was harvested at full maturity and then threshed, cleaned and dried in the sun to 14% moisture content to record the yield. Data on plant height, number of effective tilers/plant, panicle length, number of grains/panicle, and weight of 100 grain were recorded at harvest from 10 randomly selected plants in each plot. Number of panicles/m²were determined by harvesting 3 spots each measuring one square metre in each unit plot. Grain and straw yields were recorded by harvesting the whole plot . Data were analysed using the "Analysis of Variance" technique and the difference among treatment means were determined by Duncan's New Multiple Range Test (Steel and Torrie, 1960) .

Source of Information: Bangladesh J. Agril. Sci. 23(1) : 81-86, January, 1996

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The cultivars did not differ significantly among themselves in respect of grain yield. However, cultivar Barkat produced significantly the highest straw yield in comparison to other cultivars. Kanchan, Ananda and Akbar were similar in respect of straw yield. With regard to dates of planting, wheat planted on 25 November and 5 December produced significantly higher grain yields in comparison to other dates of planting. The grain yield was severely reduced when planting was delayed to 25 December and 4 January. The influence of dates of planting on the straw yield was similar to that of the grain yield. Wheat cultivar Kanchan, Ananda, Barkat and Akbar should preferably be planted on 25 November to 5 December in order to obtain a good harvest.

Knowledge Management: Journal