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Yield and Yield Contributing Characters of Mungbean as Affected by Variety and Level of Phosphorus

M.T. Parvez
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

S.K. Paul
Department of Agronomy, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh.

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

Abstract/ Executive Summary:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from October to January 2011 to study the performance of mungbean as affected by variety and level of phosphorus. The experiment comprised four varieties viz. BARI Mung-6, Binamoog-4, Binamoog-6 and Binamoog-8 and four levels of phosphorus viz. 0, 20, 40 and 60 kg P₂O₅ ha^-1, and laid out in a Randomized Complete Block Design with three replications. Results revealed that the longest plant, highest number of branches plant^-1, number of total pods plant^-1, seeds plant^-1 and seed weight plant^-1 were obtained from BARI Mung-6. The longest plant, highest number of branches plant^-1, number of total pods plant^-1, number of mature pods plant^-1, length of pod, seed weight plant^-1, 1000-seed weight, seed yield, stover yield and harvest index were obtained when 60 kg P₂O₅ was applied. Binamoog-6 produced the highest seed yield which was as good as Binamoog-8. The second highest and the lowest seed yield were recorded from Binamoog-4 and BARI Mung-6, respectively. The highest stover yield was obtained from Binamoog-8 followed by Binamoog-4. The lowest stover yield was recorded from BARI Mung-6. The highest seed yield was recorded when phosphorus was applied at the rate of 60 kg P₂O₅ ha^-1 which was statistically identical to 40 kg P₂O₅ ha^-1. The intermediate and the lowest seed yield was obtained when phosphorus was applied at the rate of 20 kg P₂O₅ ha^-1and control treatment, respectively. The highest stover yield was obtained when 60 kg P₂O₅ ha^-1 was applied but the lowest stover yield was recorded in control treatment (0 kg P₂O₅ ha^-1). The highest plant height, number of branches plant^-1, number of total pods plant^-1 and seeds pod^-1 were obtained from BARI Mung-6 in combination with 60 kg P₂O₅ ha^-1. The highest seed yield was obtained from Binamoog-6 when 60 kg P₂O₅ ha^-1was applied which was as good as Binamoog-8 in combination with 60 kg P₂O₅ ha^-1 and the highest stover yield was recorded from Binamoog-8 with 60 kg P₂O₅ ha^-1. It can be concluded that mungbean variety Binamoog-6 or Binamoog-8 can be grown with higher dose of phosphorus (60 kg P₂O₅ ha^-1) for higher seed yield.

Keywords: Mungbean, Variety, Phosphorus and seed yield

Location: Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh

Start Date: 00-10-2011

End Date: 00-01-2011

Program Area: Crop-Soil-Water Management

Commodity: Mungbean

Objectives:

To find out the suitable variety and optimum dose of phosphorus on seed yield of mungbean.

Methodology:

An experiment was conducted at the Agronomy Field Laboratory, Bangladesh Agricultural University, Mymensingh during the period from October to January 2011. The land topography was medium high and the soil was silty loam having P^H 6.7. The experiment comprised four varieties of mungbean viz. BARI Mung-6, Binamoog-4, Binamoog-6 and Binamoog-8, and four level of Phosphorus viz. 0, 20, 40 and 60 kg P₂O₅ ha^-1. The experiment was laid out in a Randomized Complete Block Design with three replications. The size of each unit plots was 10 m² (4.0 m × 2.5m). The experimental land was prepared with ploughing and laddering. Fertilizers were applied at final land preparation and laying out of the land where urea, muriate of potash, gypsum, zinc sulphate and molybdenum were applied at 30, 40, 50, 4 and 1 kgha^-1,respectively in all plots and the specific rate of P₂O₅were applied at specific plots. Seeds were sown in furrow on 22 October 2011 and furrows were then covered with soil. The seed rate was maintained 25-30 kg ha^-1. Line to line and plant to plant distances were 30 cm and 10 cm, respectively. The sowing depth was maintained at about 3 cm from the soil surface. Crop management practices such as weeding, thinning and plant protection measures were done as per requirement. Data on yield attributes were taken from 5 randomly selected plants plot^-1. Whole plot was harvested by hand picking of plods at different dates as per maturity of different varieties. The seeds were dried (at 12% moisture level), cleaned and weighed plot-wise and the weights were converted to t ha^-1. The collected data were compiled and analyzed statistically using the analysis of variance (ANOVA) technique with the help of computer package program MSTAT-C and the mean differences were adjudged by “Duncan’s Multiple Range Test”..

Source of Information: J. Agrofor. Environ. 7 (1): 115-118, 2013 (ISSN 1995-6983)

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Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

From this study it can be concluded that Binamoog-6 (1.94 t ha^-1) was the highest yielding variety, which was as good as Binamoog-8 (1.88 t ha^-1) and phosphorus application at the rate of 60 kg P₂O₅ ha^-1 was the best which produced the highest seed (1.87 t ha^-1) yield. So to obtain better yield of mungbean variety Binamoog-6 or Binamoog-8 can be grown with higher rate of phosphorus (60 kg P₂O₅ ha^-1).

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