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Vol. 8, Issue 8 (2019)

Evaluation of plant extracts against rice weevil, Sitophilus oryzae (Coleoptera: Curculionidae) in stored sorghum seeds

S Selva Rani, C Gailce Leo Justin and S Sheeba Joyce Roseleen
Botanicals severely in the stored product pest management. The present investigation was carried out to identify the suitable alternative plant extracts. There were seven pesticidal plant species selected and their leaves or plant parts having pesticidal effects the target insect Sitophilus oryzae. The maximum mortality of S. oryzae was observed with sweet flag rhizome (3%) extract (100%) and custard apple leaf extract (96.6%). The maximum repellency was observed sweet flag rhizome extract (80.00%) followed by chillies dry fruit extract (76.66%). The maximum fumigant toxicity action increase in sweet flag rhizome extract (95.00%) at 72 h after treatment. The effect of plant extract on germination of seed was also observed by germination test.
Pages: 154-159  |  857 Views  293 Downloads

The Pharma Innovation Journal
How to cite this article:
S Selva Rani, C Gailce Leo Justin, S Sheeba Joyce Roseleen. Evaluation of plant extracts against rice weevil, <em>Sitophilus oryzae</em> (Coleoptera: Curculionidae) in stored sorghum seeds. Pharma Innovation 2019;8(8):154-159.

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