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YOUSEF, H., EL-LAKWAH, S., EL SAYED, Y. (2013). INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.). Egyptian Journal of Agricultural Research, 91(2), 573-580. doi: 10.21608/ejar.2013.163516
HEBA YOUSEF; SAHEIR F. EL-LAKWAH; YASMEIN A. EL SAYED. "INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.)". Egyptian Journal of Agricultural Research, 91, 2, 2013, 573-580. doi: 10.21608/ejar.2013.163516
YOUSEF, H., EL-LAKWAH, S., EL SAYED, Y. (2013). 'INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.)', Egyptian Journal of Agricultural Research, 91(2), pp. 573-580. doi: 10.21608/ejar.2013.163516
YOUSEF, H., EL-LAKWAH, S., EL SAYED, Y. INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.). Egyptian Journal of Agricultural Research, 2013; 91(2): 573-580. doi: 10.21608/ejar.2013.163516

INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.)

Article 15, Volume 91, Issue 2, June 2013, Page 573-580  XML PDF (280.16 K)
Document Type: Original Article
DOI: 10.21608/ejar.2013.163516
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Authors
HEBA YOUSEF1; SAHEIR F. EL-LAKWAH1; YASMEIN A. EL SAYED2
1Department of Pest Physiology, Plant Protection Research Institute, ARC, Dokki,
2Biological Control Unit, Plant Protection Research Institute, ARC, Dokki, Giza, Egypt.
Abstract
Toxicity and reduction in larval body weight studies were performed to determine the activity of linoleic acid against the 2nd and 4th instar larvae of Spodoptera littoralis. The tested fatty acid showed high significant toxic effect on the two instars, with LC50 values of 4.78 and 9.11 g/100 mL, respectively. Linoleic acid resulted in significant larval weight reduction. The percentage of larval body weight reduction against the 4th instar was higher than that of the 2nd instar larvae.
Keywords
Linoleic Acid; Insecticidal Activity; Spodoptera littoralis
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