INSECTICIDAL ACTIVITY OF LINOLEIC ACID AGAINST SPODOPTERA LITTORALIS (BOISD.) | ||||
| Egyptian Journal of Agricultural Research | ||||
| Article 15, Volume 91, Issue 2, July 2013, Page 573-580 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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