EVALUATION OF TWO NEW HERBICIDE MIXTURES FOR WEED CONTROL IN MAIZE (Zea mays L.)
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Date
2012-04-01
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Journal of Environmental Issues and Agriculture in Developing Countries
Abstract
Field trials were conducted at the University of Ilorin Teaching and Research Farm in the southern Guinea savanna zone of Nigeria during 2009 and 2010 growing seasons to evaluate the weed control efficiency of different herbicide treatments and the performance of maize. Two new preparatory herbicide mixtures: Lasset1 and Huricane2 each at 2.0, 3.0, 4.0 kg a.i./ha were evaluated alongside with a check herbicide Bullet®3 at 3.0 kg a.i/ha, a weedy check and two hand weedings at 3 and 6 weeks after planting. The trial was designed as a randomized complete block with three replications. Significant differences occurred in the level of weed control provided by the various treatments. Huricane and Lasset provided the same level of control as Bullet(R) at each of their application rates, except 2.0 kg ai/ha. There was no phytotoxic effect of the herbicides on maize. The plots that were hoe-weeded twice produced significantly higher grain yield that was similar to yields in the herbicide treated plots except for the plots treated with 2.0kg ai/ha of Lasset and Huricane. This study suggests, that the new formulated mixtures can be recommended to supplement the existing ones in this agroecology.
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Keywords
Lasset, Huricane, Weeds, Maize (Zea mays L.), herbicide, weed control