The treaments included P (without wood vinegar as the control), Q (5 ml of wood vinegar was mixed with maize kernel), R (19 ml of wood vinegar was mixed with maize kernel),S (5 ml of wood vinegar placed in a glass cup as fumigant), and T (10 ml of wood vinegar placed in a glass cup as fumigant). The experiment was performed for 50 days in the dark at 25. The measured response variables were the number of the dead maize weevils and the weight of residual maize kernels.