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Growth and Yield Performance of BARI Mung-5 Under Different Time of Sowing

NARGIS JAHAN
Plant Physiology Laboratory, Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

A. M. M. GOLAM ADAM
Department of Botany, Jagannath University, Dhaka

Abstract/ Executive Summary:

A field experiment was carried out at University of Dhaka from March to July, 2011 to study the effect of time of sowing on the growth and yield of BARI mung-5. The treatments consisted of three dates of sowing viz. March 15, April 15 and May 15. The crop responded significantly to sowing time and 15 April sowing seeds produced plants having maximum plant height (68.4 cm), leaves/plant (29.33), total dry matter/plant (17.99), branches/plant (8.17), pods/plant (11.33), pod length (8.78 cm), seeds/pod (11.17), 1000 seed weight (46.52 g), seed yield/plant (5.33 g), yield/ha (1.77 t) and harvest index (29.58 %) at harvest. The seed yield decreased by 36.8 and 49.9% when seed sown early (15 March) or late (15 May) due to production of lower yield components.

Keywords: BARI mung-5, Sowing time, Growth, Yield

Location: Department of Botany, University of Dhaka

Start Date: 01-03-2011

End Date: 30-07-2011

Program Area: Variety and Species

Commodity: Mungbean

Objectives:

To study the growth and yield variations in mungbean with a view to identifying the optimum sowing time of BARI mung-5 in Kharif-1 season.

Methodology:

The experiment was carried out in the research field of the Department of Botany, University of Dhaka during March to July, 2011. The treatment comprised of three dates of sowing: 15 March (S₁), 15 April (S₂), and 15 May (S₃). The experiment was laid out in RCBD with six replications. Fertilizers at the rate of 45, 100 and 60 kg/ha of N, P₂0₅ and K₂0 were applied at the time of final land preparation of each sowing. Seeds of BARI mung-5 were collected from BARI, Joydebpur, Gazipur. Seeds were sterilized with 0.5% calcium hypochlorite before sowing. The seeds were sown in rows 30 cm apart. Weeding was done at 15 days after sowing followed by thinning to keep plant to plant distance of 10 cm. Data on plant height, branches/plant, leaves/plant and total dry matter (TDM)/plant were recorded from the age of 30 days after sowing at an interval of 7 days. Pods/plant, length of pod, dry weight of pods/plant, seeds/pod, seeds/plant, 1000-seed weight, yield/plant and yield were recorded at harvest. Data were analyzed statistically to determine the significance of the characters studied. LSD test was applied for the comparison of means at the 5% level of significance.

Source of Information: Journal of Bangladesh Academy of Sciences, Vol. 36, No. 2, 227-231, 2012

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

In the present study the seed yield decreased by 36.8 and 49.9% when seed sown early (15 March) or late (15 May) due to production of lower yield components. Mungbean seed is to be sown on 15 April to achieve maximum seed yield. Crop sown beyond this date fails to produce remarkable yield attributes and seed yield of mungbean.

Knowledge Management: Journal