Abstract
ABSTRACTThe invasive, polyphagous Heteronychus arator F. is a serious pest of maize and pasture in Africa, South America and Oceania. The pest is less researched in Africa. A study was conducted in Njombe Region, Tanzania, in 2013/2014, to evaluate the effects of an insecticide, intercropping and strip tillage on populations of H. arator. Treatments were laid in a Complete Randomised Block Design. Results showed that H. arator significantly affected above-ground biomass, cob length and grain yield. Least damage was recorded in the insecticide-treated plots. Results suggest integration of strip tillage, intercropping and insecticides is effective in managing H. arator.
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