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="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Group</td><td class="align_center">Treatment</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left"><b>I</b> (negative control)</td><td class="align_center">Solvents only</td></tr><tr><td class="align_left"><b>II</b> (positive control)</td><td class="align_center">Actellic Super™</td></tr><tr><td class="align_left"><b>III</b> (experimental group A)</td><td class="align_center">25% (v/v) plant leaf extract</td></tr><tr><td class="align_left"><b>IV</b> (experimental group B)</td><td class="align_center">50% (v/v) plant leaf extract</td></tr><tr><td class="align_left"><b>V</b> (experimental group C)</td><td class="align_center">75% (v/v) plant leaf extract</td></tr><tr><td class="align_left"><b>VI</b> (experimental group D)</td><td class="align_center">100% (v/v) plant leaf extract</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr><tr class="table-fn"><td><div>Actellic Super ™ = 50 g/90 kg grain; solvents = 1 ml DCM/EtOAc.<br/></div></td></tr></table>

<div>Treatment protocol for determination of contact toxicity effects.</div>

International Journal of Zoology

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Table 1

Table 1: 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 1 | 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) 