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Effect of Variety and Sowing Date on the Growth and Yield of Summer Mungbean (vigna Radiata L. Wilczek)

M.G. Rabbani
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

A.K.M.S.H. Chowdhury
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202

M.A. Bari
Sustainable Solution for the Delivery of Safe Drinking Water Project, DASCOH, Nahar Abash, 31 Pallabi (1st Floor), Alipara, Sunamganj 3000

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

Abstract/ Executive Summary:

A field experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh during the period from January to May 2010 to study the effect of sowing date on the performance of mungbean varieties. Four mungbean [Vigna radiata (L.) Wilczek] varieties viz. BINAmoog2, BINAmoog5, BINAmoog6 and BINAmoog7 were sown at 15-day intervals starting from 31 January to 2 March 2010 to identify the suitable variety and optimum sowing date for getting maximum yield. Among the varieties BIN moog7 was ranked first in terms of seed yield (1.85 t ha^-1) which was statistically similar to BINAmoog6 ( 1.84 t ha^-1) followed by BINAmoog5 (1.51 t ha^-1). BINAmoog6 matured earlier than the other three varieties. The highest seed yield (1.77 t ha^-1) was obtained from 2 March sowing followed by 15 February (1.67 kg ha^-1) and 31 January sowing produced the lowest seed yield (1.44 kg ha^-1). BINA moog7 yielded the highest (1.95 kg ha^-1) when sown on 2 March which was statistically identical with BINA moog6 with 2 March (1.92 t ha^-1) and BINA moog7 sown in 15 February (1.92 t ha^-1). Therefore, summer mungbean varieties BINAmoog7 or BINA moog6 may be sown during the period from 15 February to 2 March for obtaining higher seed yield.

Keywords: Variety, Sowing date, Summer mungbean, Growth, Yield

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh

Start Date: 00-01-2010

End Date: 00-05-2010

Program Area: Crop-Soil-Water Management

Commodity: Mungbean

Objectives:

1. To identify the suitable variety (s) and sowing time of summer mungbean in Bangladesh context.

Methodology:

The experiment was carried out at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh, Bangladesh during January to May 2010 with four high yielding summer mungbean varieties viz. BINA moog2, BINA moog5, BINA moog6 and BINA moog7 sown at three different dates viz. 31 January, 15 February and 2 March. The experiment was laid out in a randomized complete block design with three replications. Each unit plot measured 2.5m × 2.0 m. The experimental site was located at 24^o75´ north latitude and 90^o50´ east longitude at an elevation of 18 m above the mean sea level. The soil of the experimental land belongs to the Sonatola seires of non-calcareous dark grey floodplain under Old Brahmaputra Floodplain “AEZ-9”. The experimental plots were fertilized with urea, triple super phosphate (TSP) and muriate of potash (MoP) at the rate of 30, 80 and 55 kg ha^-1 N, P₂O₅ and K₂O at the time of final land preparation at each sowing date. Seeds of all varieties were sown at the rate of 25 kg ha^-1 in the line sowing method. A distance of 25 cm was maintained between rows and finally a plant to plant distance of 25 cm within a row was maintained by thinning the excess plants at 15 and 25 days after sowing. Weeding was done twice at 20 and 35 days after sowing followed by thinning, where necessary. The crops were grown under rainfed condition, therefore, no irrigation was applied. Malathion 57 EC was sprayed at the rate of 0.02% during the pre-flowering, pod setting and pod maturity stages to protect the crop against aphid (Aphis spp.) and pod borer (Heliothis spp.). Data on growth and yield components were taken from five randomly selected plants of each plot and grain and stover yields were taken from the whole plot. The recorded data were analyzed statistically following the computer package MSTAT-C and means differences were adjudged by Duncan’s Multiple Range Test.

Source of Information: J. Agrofor. Environ. 7 (1): 27-30, 2013; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Among the four cultivars Binamoog7 was the best and 2 March was the optimum time of sowing to obtain higher yield. But BINA moog6 sowing in 2 March or BINAmoog7 sowing in 15 February may be other options for obtaining higher yield since these combinations produced statistically identical yield with BINAmoog7 and 2 March sowing. Therefore, summer mungbean variety BINAmoog7 and BINAmoog6 may be sown during the period from 15 February to 2 March for obtaining higher seed yield. BINAmoog6 with 2 March (1.92 t ha^-1) and BINAmoog7 with 15 Feb.

Knowledge Management: Journal