Study of the Effect of Hexane Extracts and Dry Powder of Ocimum Leaves and Flowers on the Percentage of Mortality of Adult Southern Cowpea Beetle Callosobruchus maculatus

A brief introduction about the aim of the study: The results showed that Ocimum flower hexane extract and Ocimum flower powder had more effect than Ocimum leaf hexane extract and Ocimum flower powder, 1% of Ocimum flower hexane extract had significant mortality at seven days (93.33%), while 1 g flower extract weight gave (73.33%) mortality. Hexane extract of Ocimum flowers had the least mortality after seven days at 0.25% concentration (30.00%), while Ocimum flower powder had the lowest mortality after seven days (26.67%) at 0.25 g. The highest mortality (70.00%) was obtained in the Ocimum leaf extract at 1% concentration after seven days, while the lowest mortality percentage of the same extract (26.67%) was after seven days at the concentration of 0.25%. The results of the study showed that the mortality rate increased with increasing concentration and time.