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Yield and yield components of maize as affected by various weed control methods under rain-fed conditions of Pakistan.
Author(s)
Muhammad Riaz Chattha Weed Management Program and Sugar Crops Research Program, NARC, Islamabad, Pakistan
Muhammad Jamil Weed Management Program and Sugar Crops Research Program, NARC, Islamabad, Pakistan
Tahira Zafar Mahmood Weed Management Program and Sugar Crops Research Program, NARC, Islamabad, Pakistan
Abstract
A field study was conducted at National Agricultural Research Centre (NARC), Islamabad, during two crop years (2003 - 04) to determine the effect of different weed control methods on the yield and yield components of maize (Zea mays L.). In this study, different weed control methods (chemical, mechanical, hand weeding & their integration) were compared for their efficiency to control various weed species under rain-fed conditions of Pakistan. Among different weed control methods, chemical weeding at 2 - 3 leaf stage of weeds + hand weeding at 50 DAS gave promising results (1.7 g m-2). This was closely followed by mechanical weeding after 20 days of crop sowing with a follow-up hand weeding after 50 days of crop sowing and/or two hand weedings after 20 and 40 days of crop sowing. These weed control methods significantly controlled weeds and enhanced yield (42%) and yield components of wheat during both the study years. The economic analysis of these weed control methods also showed better performance of chemical weeding at 2 - 3 leaf stage of weeds + hand weeding at 50 DAS as compared to rest of the treatments.
Publication Details
Page(s) 152-155
DOI DOI not available
Published Journal: International Journal of Agriculture and Biology, Volume: 9, Issue: 1, Year: 2007
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