Research Article
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)
Table 4
The percentage (%) of crude extraction yields.
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DCM and EtOAc used were of analytical grade (95.5%). |