Integrating of Hilling up and Cultivation with Banded Spraying in Weed Management in Sugarcane Fields

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Field experiments were conducted in Amirkabir sugarcane Agro-industry (Khuzestan province, Iran) farms to evaluate the efficacy of integrated chemical and mechanical methods in controlling weeds. Experiments were carried out in a split plot-randomized complete blocks design with four replications. The main plot consisted of four mechanical treatments, namely: hilling up, sweep cultivator, disc cultivator vs. no tillage. The sub-plots included six herbicide treatments (tebuthioron (Tebusan®) + ametryn, trifluxysulforon-sodium (Envok®) + ametryn, ametryn-trifluxysulforon-sodium (Krismat®) + 2, 4-D-MCPA, mesotrion (Lumax®), Ametryn + 2, 4-D-MCPA & Control). Evaluations consisted of a grading of weed control and sugarcane crop appearance, a measurement of weeds’ dry weight as well as crop’s yield, quality and quantitywise. Results indicated that a hilling up treatment can merely act as a replacement for herbicide by 75% of control, whereas sweep cultivator and disc cultivator acted some measures of 15% and 5% of control respectively with the need for band spraying as a complement. Mixtures of Krismat® + (2, 4-D + MCPA), Envok® + ametryn and Lumax + cytogate® provided a good control of weeds, especially in combination with mechanical control measures, but they didn’t reflect any significant difference with ametryn + 2, 4-D as a standard control measure. All the herbicides, as well as their mixtures had significant differences with the untreated control. Overall, it is concluded that mechanical control integrated with band spraying is a very cost effective method in sugarcane weed control.

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