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Yield and Yield Components of Barley (hordeum Vulgare L.) in Relation to Sowing Times

M Z Alam
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

S A Haider
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

N K Paul
Department of Botany, University of Rajshahi, Rajshahi-6205, Bangladesh

Abstract/ Executive Summary:

A field experiment was carried out to study the influence of sowing times on yield and yield components of barley (Hordeum vulgare L.). Seeds of four barley cultivars (BB 1, Karan 19, Karan 163 and Karan 351) were sown with four sowing times (5 November, 17 November, 29 November and 11 December). Most of the yield and yield components were significantly highest in 17 November sowing. Among the cultivars most of the characters showed their highest values in BB 1 and the lowest in Karan 19. Harvest index was found highest in Karan 351 and lowest in BB 1.

Keywords: Barley, Sowing time, Yield.

Location: Department of Botany, University of Rajshahi, Bangladesh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Barley

Objectives:

To find out a suitable time of sowing for better performance of yield of barley under field condition.

Methodology:

The experiment was conducted in the research field of the Department of Botany, University of Rajshahi, Bangladesh. The soil of the experimental field was silty loam with pH of 6.6. The total nitrogen was 0.06%, organic matter 1.04%, phosphorus 13.9 ppm, potassium 0.12 milliequivalent/100g soil, zinc 0.40 ppm and sulphur 8.1 ppm. The experiment was conducted in a Randomized Block Design with three replications. Four cultivars of barley (BB 1, Karan 19, Karan 163 and Karan 351) were sown in four sowing dates [5 November (S1), 17 November (S2), 29 November (S3) and 11 December (S4)]. Each plot consisted of 32 rows. Every replication plot was 8 m long and 6.5 m wide. A distance of 20 cm was maintained between rows and 5 cm between plants. Data from 6 randomly selected plants from middle rows of each plot were recorded at the time of final harvest.

Source of Information: Journal of Bio- Science. Vol. 15, pp: 139-145, 2007

Article Link (Online Journal): http://www.banglajol.info/index.php/JBS/article/view/2154/1935

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The overall results indicated that higher grain yield was obtained from 17 November (S2) sown crops. It might be due to cumulative effect of optimum temperature at the vegetative and reproductive stages that provided highest number of fertile tillers plant-I, highest number of spikelets spike^-1 , and highest 1000-grain weight. On the other hand, the lowest yield obtained from S3 and S4 crops was attributed to lower values of the above-mentioned characters due to lower temperature at the early vegetative stage and sharp rise in temperature at the reproductive stage, which eventually shortened the growth period.

Knowledge Management: Journal