Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.)
Ibrahim, S., Abd El-Kareem, S. (2018). Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.). EKB Journal Management System, 10(1), 13-24. doi: 10.21608/eajbsf.2018.17016
Suzan A. Ibrahim; Sara M. I. Abd El-Kareem. "Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.)". EKB Journal Management System, 10, 1, 2018, 13-24. doi: 10.21608/eajbsf.2018.17016
Ibrahim, S., Abd El-Kareem, S. (2018). 'Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.)', EKB Journal Management System, 10(1), pp. 13-24. doi: 10.21608/eajbsf.2018.17016
Ibrahim, S., Abd El-Kareem, S. Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.). EKB Journal Management System, 2018; 10(1): 13-24. doi: 10.21608/eajbsf.2018.17016

Enzymatic Changes and Toxic Effect of Some Aromatic Plant Oils on The Cotton Leafworm, Spodoptera littoralis (Boisd.)

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
Article 2, Volume 10, Issue 1, June 2018, Page 13-24  XML PDF (339.33 K)
Document Type: Original Article
DOI: 10.21608/eajbsf.2018.17016
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Authors
Suzan A. Ibrahim; Sara M. I. Abd El-Kareem
Cotton Leafworm Research Department, Plant Protection Research Institute, Dokki, Giza, Egypt
Abstract
  In order to
evaluate the larvicidal and biochemical effects of some aromatic plant oils
against the cotton leafworm larvae, Spodoptera littoralis (Boisduval),
the present investigation was carried out. Four commercial aromatic oils;
garlic, mint, eucalyptus, and lavender oils, were tested against 2nd
and 4th instar larvae. Results showed that all tested oils were so
efficient, especially; the garlic oil as it exhibited the least LC50
value for both 2nd and 4th instar larvae. Results also
revealed significant disruption (either reduced or enhanced) enzyme activity.
In conclusion, tested oils proved to have insecticidal, antifeedant, and
inhibitory enzymatic activity effects. So that, tested oils can be applied
safely in IPM program for the cotton leafworm, Spodoptera littoralis
control.
Keywords
Aromatic plant oils; Cotton leafworm; larvicidal effect; detoxification enzymes; non-specific esterases; Acid and alkaline phosphatases
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