Flame weeding method to control weeds in faba bean in River Nile State in Sudan
2014
Elhassan, Alaeldin M. (Hudeiba Research Station, Ed-damer (Sudan)) | Khalifa, Khalifa A. (Sudan University of Science and Technology, Shambat (Sudan). Faculty of Agricultural Sciences) | Abbas, Hassan S. (Sudan University of Science and Technology, Khartoum (Sudan). Faculty of Engineering)
A flame apparatus was designed and its performance in terms of weeding efficiency and economic feasibility was compared with hand weeding and herbicides application. Weeding was carried out at 4 and 4 plus 6 weeks after sowing for flaming and hand weeding. A pre-emergence herbicide Pursuit plus Stomp, was mixed in a tank and applied before one day of first irrigation at the recommended rate. The mean number of weeds over two seasons revealed that flaming at 4 weeks after sowing reduced weed density by 77.3% and 71.3% respectively, whereas for hand weeding at the same period was 80.8% and 70.3% respectively. Grain yield of the plots subjected to flame weeding was comparable to that from pre-emergence herbicides and hand weeding treated plots for both growing seasons. However, economic analysis showed that flame weeding at 4 weeks after sowing gave the highest value of marginal rate of return for both seasons.
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