Effect of Sorghum Water Extract Type,Concentration and Application Time on Weed Density and Yield of Wheat

Muhammad Hamid, Shad khan Khalil, Nawab Ali, Muhammad Mehran Anjum and Muhammad Aatif
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Muhammad Aatif: Department of Agronomy Faculty of Crop Production Sciences, University of Agriculture, Pakistan

International Journal of Environmental Sciences & Natural Resources, 2017, vol. 1, issue 5, 145-156

Abstract: A field experiment entitled Effect of sorghum water extract type, concentration and application time on weed density and yield of wheat was conducted at agronomy research Farm, The University of Agriculture Peshawar, Pakistan during winter season 2014-15. The experiment was laid out in a randomized complete block design (RCBD) having three replication. A plot size of 3 m x 1.8 m (L x W) was used. Each plot was consist of six rows having 30 cm row to row distance. Different concentration (1:3) i.e. (1 kg plant herbage and 3 liters of water), (1:4) i.e. (1 kg plant herbage and 4 liters of water) and 1:5 (1 kg plant herbage and 5 liters of water) of sorghum stem and leaf extract were sprayed at three stages full at Feekes 1 (Emergence), full at Feekes 2 (Tillering), and half at Feekes 1 (Emergence) plus half at Feekes 2 (Tillering). The experiment was also comprised of control (no weed control), hand weeding and herbicides application. All the weed control treatments significantly affected weed density, productive tillers, non productive tillers, thousand grain weight, biological yield and grain yield. Herbicide sprayed plots produced minimum (24) number of weeds, maximum productive tillers m-2 (379), thousand grain weight (51 g) biological yield (10558 kg ha-1) and grain yield (3976 kg ha-1) as compared to control.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:1:y:2017:i:5:p:145-156

DOI: 10.19080/IJESNR.2017.01.555574

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