Abstract
Efficient weed management, restricting weed growth and weed density particularly within the critical growth period, could induce essential growth dynamics with subsequent yield advantage. Field investigation on weed density and weed dry weight in drilled rice was conducted at the Agronomy Farm, Dr. Balasaheb Sawant Konkan Krishi Vidyapeeth, Dapoli (Maharashtra) in Kharif season to evaluate the effect of different herbicide and herbicide combination during 2012 to 2015. The lowest weed population and dry weight of grasses, sedges and broad-leaved weeds were recorded in weed free check followed by pendimethalin fb manual weeding and pendimethalin fb bispyribac-Na fb manual weeding. The treatment weedy check recorded the highest dry weight of weeds. The highest weed control efficiency (89.5%) and weed control index (95.0%) were recorded by weed free check followed by pendimethalin fb manual weeding (84.4 and 92.8%) and pendimethalin fb bispyribac-Na fb manual weeding (76.6 and 89.9%).
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