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Growth and Yield of BARI Mung-5 (vigna Radiata L. Wilczek) Following Tiba Application

A. M. M. Golam Adam
Department of Botany, Jagannath University,Dhaka‐1100, Bangladesh.

Nargis Jahan
Plant Physiology Laboratory, Department of Botany, University of Dhaka, Dhaka‐1000. Bangladesh

Abstract/ Executive Summary:

An experiment was conducted to evaluate the effect of TIBA (0, 20, 50, 100, 150 mg/l) on the growth and yield attributes of BARI Mung?5 laid out in RBD. Plant height decreased due to TIBA treatments. Number of branches and leaves per plant were found to increase in all the treatments at all the ages of growth except at 7 DAS and the maximum number of branches and leaves were recorded due to 20 mg/l TIBA treatment. Dry matter per plant increased due to 20 mg/l TIBA in most cases and was significantly highest at harvest. All the yield contributing characters showed positive response to 20 mg/l TIBA treatment. Number of pods and seeds per plant and fresh and dry weights of pods significantly differed from all other treatments. Increase in yield per plant and yield per hectare following 20 mg/l TIBA was 22.60 and 22.80% over the control, respectively. The highest harvest index was also recorded from 20 mg/l TIBA followed by control.

Keywords: BARI Mung-5, TIBA, Growth, Yield

Location: A field experiment was conducted in the Botanical Garden of Dhaka University

Start Date: 10-03-2011

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Mungbean

Objectives:

To find out the effect of TIBA on growth, yield and yield attributes of BARI Mung?5.

Methodology:

Fertilizers were applied at doses recommended by BARI (45, 100 and 60 kg/ha of urea, triple super phosphate and muriate of potash, respectively) at the time of final land preparation. Cow?dung was also mixed homogeneously at the rate of 7790 kg/ha. Seeds of BARI mung?5 were collected from BARI, Joydebpur, Gazipur. It is a bold?seeded, high yielding, photoinsensitive variety, tolerant to MYMV (Mungbean yellow mosaic virus) disease and widely adapted to mungbean growing areas in Bangladesh. Seeds were surface sterilized with 0.5% calcium hypochlorite and sown on 10^thMarch, 2011 in rows 30 cm apart. Size of the experimental plot was 51.30 m² (9.5 m × 4.5 m). Weeding was done at 15 days after sowing followed by thinning to keep plant to plant distance of 10 cm. Five treatments of TIBA (0, 20, 50, 100 and 150 mg/l) were applied as foliar spray at the age of 30 days after sowing. Nine plants from each treatment were selected for data collection on plant height, number of branches and leaves per plant whereas nine other plants were harvested randomly for dry matter production. Data on plant height, number of branches, leaves and dry matter per plant were recorded at an interval of 7 days from the age of 30 days after sowing (date of foliar spray) up to harvest. Number of pods and seeds per plant, length of pod, fresh and dry weights of pods per plant, number of seeds per pod, 1000? seed weight, yield per plant and harvest index were recorded after harvest. Data were analyzed statistically.

Source of Information: Dhaka Univ. J. Biol. Sci. 23(2): 179‐185, 2014 (July)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The application of higher dose of TIBA (150 mg/l) although produced highest number of branches and leaves per plant, but, dry matter per plant decreased and yield per plant was the lowest. However, application of TIBA at 20 mg/l showed beneficial effects on all the yield contributing characters of BARI Mung?5 and thus leading to significant increase in grain yield.

Knowledge Management: Journal