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VOL. 6, ISSUE 5 (2021)
Chemical analysis and insecticidal activity of Cuminum cyminum hexane extract against the cotton leaf worm Spodoptera littoralis (Boisd.)
Authors
Heba Yousef
Abstract
The present work was performed to study the toxic effect of Cuminum cyminum hexane extract on the 2nd and 4th istar larvae of the cotton leaf worm Spodoptera littoralis. The extract was effective against the two instars under studying. The Lc50 values against the 2nd and the 4th instars were 0.008 (g extract/ 100g diet) and 0.0134 (g extract/ 100g diet), respectively after 8 days post treatment. the GC-MS analysis of hexane extract of Cuminum cyminum seeds indicated that the extract is composed mainly of cuminaldehyde (26.61%), 3-Methylene-6-hepten-1-ol (13.83%), 7-oxabicyclo[4.1.0]heptane,1-(1,3dimethyl-1,3-butadienyl)-2,2,6-trimethyl,(E) (15.45%), Benzyl-(S)(+)-2-hydroxy-2-phenylacetate (8.71%), (1,3-Dimethyl-2-methylenecyclopentyl)-methanol (4.13%), P-cymene, (3.71%), Acoradiene (2.46%), (E)-á-Famesene (2.38%), and a-Ionone (2.22%).
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Pages:1-4
How to cite this article:
Heba Yousef "Chemical analysis and insecticidal activity of <em>Cuminum cyminum</em> hexane extract against the cotton leaf worm <em>Spodoptera littoralis </em>(Boisd.) ". International Journal of Entomology Research, Vol 6, Issue 5, 2021, Pages 1-4
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