Contact Toxicity Effects of Selected Organic Leaf Extracts of <i>Tithonia diversifolia</i> (Hemsl.) A. Gray and <i>Vernonia lasiopus</i> (O. Hoffman) against <i>Sitophilus zeamais</i> Motschulsky (Coleoptera: Curculionidae)

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Plant under study</td><td class="align_center">Type of extract</td><td class="align_center">Mass of crude extract (g)</td><td class="align_center">Yield of crude extract (%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2"><i>T. diversifolia</i></td><td class="align_center">DCM extract</td><td class="align_center">3.38</td><td class="align_center">1.69</td></tr><tr><td class="align_center">EtOAc extract</td><td class="align_center">2.88</td><td class="align_center">1.44</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left" rowspan="2"><i>V. lasiopus</i></td><td class="align_center">DCM extract</td><td class="align_center">1.12</td><td class="align_center">0.56</td></tr><tr><td class="align_center">EtOAc extract</td><td class="align_center">1.07</td><td class="align_center">0.54</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>DCM and EtOAc used were of analytical grade (95.5%).<br/></div></td></tr></table>

<div>The percentage (%) of crude extraction yields.</div>

International Journal of Zoology

tab4

Table 4

Table 4: Contact Toxicity Effects of Selected Organic Leaf Extracts of <i>Tithonia diversifolia</i> (Hemsl.) A. Gray and <i>Vernonia lasiopus</i> (O. Hoffman) against <i>Sitophilus zeamais</i> Motschulsky (Coleoptera: Curculionidae) 

Table 4 | Contact Toxicity Effects of Selected Organic Leaf Extracts of Tithonia diversifolia (Hemsl.) A. Gray and Vernonia lasiopus (O. Hoffman) against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) 