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Use of Barley Residue Water Extract Combined with Pendimethalin Herbicide for Weed Control in Mungbean

Use of Barley Residue Water Extract Combined with Pendimethalin Herbicide for Weed Control in Mungbean

Muhammad Sajid Mahmood1*, Muhammad Ashraf1, Ijaz Ahmad2, Muhammad Khubaib Abuzar3, Sohail Latif4 Muhammad Aqeel Sarwar5 and Waqas Ahmad6 

1Department of Agronomy, PMAS-Arid Agriculture University Rawalpindi, Pakistan; 2Ecotoxicology Research Program, National Agricultural Research Centre, Islamabad, Pakistan; 3Department of Earth and Environmental Sciences, Bahria University, Islamabad, Pakistan; 4Agriculture Department Kotli, Azad Jammu and Kashmir. 5Crop Sciences Institute, National Agricultural Research Centre, Islamabad, Pakistan.(AZRC-PARC), Dera Ismail Khan; 3Pakistan Agricultural Research Council, Islamabad, Pakistan; 6College of Agriculture, Bahauddin Zakariya University, Bahadur Sub-campus, Layyah, Pakistan.

mehmoodsajid66@gmail.com 

ABSTRACT

A field trial was conducted at University Research Farm, Pir Mehr Ali Shah, Arid Agriculture University Chakwal Road, Rawalpindi to find out the influence of barley water extract alone and in combination with low doses of pendimethalin (pre-emergence) for weed control in mungbean during summer season, 2009. The treatments were: Control (weedy check), Hand weeding (30 and 45 DAS), Pendimethalin herbicide @ 1.5 kg a.i. ha-1 (recommended dose), Barley W.E. @ 12 L ha-1 (20, 30, 40 and 50 DAS), Barley W.E. + pendimethalin @ 12 L ha-1 + 1.0 kg a.i. ha-1, Barley W.E. + pendimethalin @ 12 L ha-1 + 0.75 kg a.i. ha-1, Barley W.E. + pendimethalin @ 12 L ha-1 + 0.50 kg a.i. ha-1. The combined effect of barley water extract with pendimethalin herbicide on weeds density and weeds biomass was more pronounced than the sole application of barley water extract. One pre-emergence spray of barley W.E. + pendimethalin @ 12 L ha-1 + 0.50 kg a.i. ha-1 reduced weeds density by 62%, fresh weight by 43% and weeds dry weight by 55% compared to control measured at 40 DAS. One pre-emergence spray of barley W.E. + pendimethalin @ 12 L ha-1 + 1.0 kg a.i. ha-1 increased grain yield by 40 % and barley W.E. + pendimethalin @ 12 L ha-1 + 0.50 kg a.i. ha-1 increased mungbean grain yield by 56% relative to control. Pendimethalin @ 0.5 kg a.i. ha-1 mixed with barley water extract may be utilized to control weeds efficiently and enhance mungbean yields. 

 

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Pakistan Journal of Agricultural Research

June

Vol. 32, Iss. 2, Pages 218-415

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