Effectiveness of Maize Cob Powder in Controlling Weevils in Stored Maize Grain
Abstract
The broad objective of this study is to assess the effectiveness of maize cob powder in controlling maize weevils in stored maize grain. A completely randomized block design, in which twelve small bags of maize containing 0.5 kg of maize grain (SC5313 dent variety), were used. Three concentration levels of maize cob powder 5g, 45g and 75g per 0.5 kg were compared with the control experiment containing conventional chemical Actellic super at 5g. Findings showed that conventional chemical control was more effective than traditional method at 5g and 45g levels of maize cob powder. However, greater effectiveness of cob powder was observed at 75g level. In the absence of conventional methods of control, which are unavailable due to local supply bottlenecks, the study recommends use of maize cob powder to control weevils.
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