Impact of Different Weed Types on Growth and Yield of Mungbean (Vigna radiata L. Wilczek) |
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| Authors: | U R Sangakkara B Meylemans P van Damme |
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| Institution: | Department of Crop Science, Faculty of Agriculture, University of Peradeniya, Sri Lanka |
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| Abstract: | The influence of different weed types (grass, broadleaved and sedge species) on growth and yield parameters of mungbean ( Vigna radiata L. Wilczek) was evaluated under field conditions. The presence of all types of weeks had the most significant effect on growth and yields of mungbean. Broadleaved species alone had a greater adverse effect than grasses, and the influence of sedges was the lowest. The adverse effect of weeds was most prominent on vegetative growth. The influence on yield components reduced with time. However, the adverse impact of weeds on yields was similar to that on vegetative growth. A significant correlation between weed biomass and yield loss was observed. The study indicated the critical competitive period to be in the vegetative phase. Some possible implications for selective weeding are presented. |
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| Keywords: | Mungbean weeds grasses broadleaved species sedges growth yields |
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