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Insecticidal and repellent activities of Cananga odorata leaf essential oil (Lam.) Hook. F. & Thomson against a post-harvest pest of rice: Sitotroga cerealella Olivier by Adjalian Elvis; Philippe SESSOU; Alitonou Guy Alain; Michels Franck; Avlessi Félicien; Fauconnier Marie-Laure; Kossou Dansou; Dominique Sohounhloue is a scholarly article available to read on EtoBox.

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## Abstract Today the use of plant extracts, in particular essential oils, is a natural alternative to synthetic insecticides in the fight against crop pests. The purpose of this research is to determine the chemical composition of the ylang-ylang Cananga odorata (Lam.) Hook. F. & Thomson leave essential oil and to evaluate on the one hand its ovicidal, larvicidal, insecticidal, anti-oviposition and insect repellent properties, and on the other hand its effectiveness in preserving the weight of the grains and the germination power of rice seeds against the Angoumois grain moth Sitotroga cerealella O., a major pest of rice in Benin. The essential oil from the leaves of the C. odorata (Lam.) Hook. F. & Thomson was obtained by hydro-distillation, and analysed by gas chromatography-mass spectrometry (GC-MS). The analysis showed that the oil contains 32 main compounds, the major ones being α-pinene (7.01%), lavandulyl acetate (7.19%), caryophyllene (30.33%), α-humulene (13.42%) and germacrene D (8.99%). Based on the findings of fumigation bioassays, the Cananga odorata (Lam.) Hook. F. & Thomson essential oil showed high toxicity against adult of the S. cerealella with values CL50 of 0.0

Author

Adjalian Elvis; Philippe SESSOU; Alitonou Guy Alain; Michels Franck; Avlessi Félicien; Fauconnier Marie-Laure; Kossou Dansou; Dominique Sohounhloue

Publisher

Research Square Platform LLC

Published

2022

Language

EN