The Effect Of Fever Tea Tree (lippia Javanica) In The Control Of Maize Weevil (sitophilus Zeamais) In Stored Maize (zea Mays)

ABSTRACT Sitophilus zeamais Motschulsky is the major insect pest seen damaging stored maize in Zimbabwe. The environmental hazards of synthetic insecticides, the unreliability supply and high costs of these chemicals resulted in the search for cheaper and safer use of the naturally available plant material to control this pest. This study evaluates effective rates for L. javanica leaf powder. Bioactivity of Lippia javanica leaf extracts was evaluated under average room temperature, at three dosage levels (0. 5g, 10g and 15g),negative control of untreated grain were mixed with 1kg of disinfest…