<p>A field study was carried out to assess the efficacy of some botanicals in the control of field insect pests in two varieties of okra. Dry leaf extract of <em>Chromolaena odorata</em> (Siam weed) and fresh and dry root extracts of <em>Boerhavia diffusa</em> served as treatments which were compared with Lambda-cyhalothrin and a control. The experiment was fitted into a randomized complete block design with three replications. Data collected were subjected to Spearman’s correlation analysis and a two-way analysis of variance and significant different means were separated using Fishers Least Significant Difference (LSD) test at 5 % level of probability. The results revealed that treated plants generally performed better than the untreated plants as they were taller, had more leaves, branches, wider stem girths and gave higher fruit yield. Fresh root extract of <em>B. diffusa</em> performed better in most parameters measured. A significant positive correlation was observed between insect pest populations, and between growth and yield parameters, while there was a significant negative correlation between overall yield and insect pest population. NHAe 47-4 okra variety performed better than F1-Lucky variety. Fresh root extract of <em>B. diffusa</em> is recommended for management of <em>B. tabaci </em>(Genadius, 1889)<em> </em>and <em>Amrasca biguttula </em>Ishida, 1912<em> </em>in okra.</p>

A field experiment was carried out to evaluate the effect of leaf extracts of Sida acuta Burm. f. and Chromolaena odorata L. in controlling insect pests of Celosia argentea L. and Amaranthus cruentus L. The experiment was laid out in randomized complete block design and the treatments were replicated three times.  Extracts obtained from the plants at 240 g/L of ethanol were applied as botanical insecticides. These extracts were examined along with a synthetic insecticide (Cypermethrin) including untreated control. Data were collected on number of Cletus spp. and Hymenia recurvalis per plant. Result shows that C. argentea sole treated with S. acuta and C. odorata was not infested by Cletus spp., and significantly (p<0.05) different from A. cruentus and C. argentea intercrop treated with S. acuta and C. odorata at 2 weeks after treatment. C. argentea treated with S. acuta had the least number of H. recurvalis (1.00) which was not significantly (p>0.05) different from Cypermethrin in both sole and intercrop at 4 WAT. A. cruentus and C. argentea planted sole or in intercrop treated with botanical and synthetic insecticides had lower numbers of H. curvalis which were significantly different from untreated control at 8 and 10 WAT. This study showed that S. acuta performed better than C. odorata against the target insect pests and therefore recommended for incorporation into Integrated Pest Management irrespective of whether sole or intercropping was adopted