Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia
Y., E., Musa, A. (2015). Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia. EKB Journal Management System, 7(1), 65-70. doi: 10.21608/eajbsf.2015.17240
El-Kholy M. Y.; Arafa Musa. "Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia". EKB Journal Management System, 7, 1, 2015, 65-70. doi: 10.21608/eajbsf.2015.17240
Y., E., Musa, A. (2015). 'Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia', EKB Journal Management System, 7(1), pp. 65-70. doi: 10.21608/eajbsf.2015.17240
Y., E., Musa, A. Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia. EKB Journal Management System, 2015; 7(1): 65-70. doi: 10.21608/eajbsf.2015.17240

Mosquito Larvicidal and Pupicidal Potential of Heliotropium curassavicum L. Against Culex pipiens (Diptera: Culicidae) and Their Chemical Composition in Kingdom of Saudi Arabia

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control
Article 8, Volume 7, Issue 1, December 2015, Page 65-70  XML PDF (220.82 K)
Document Type: Original Article
DOI: 10.21608/eajbsf.2015.17240
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Authors
El-Kholy M. Y.1; Arafa Musa2
1-Department of Biology, College of Science, Aljouf University, Sakaka, Aljouf, Kingdom of Saudi Arabia. -Department of Pests and Plant Protection, National Research Centre, Dokki, Cairo, Egypt
2-Department of Pharmacognosy, College of Pharmacy, Aljouf University, Sakaka, Aljouf, Kingdom of Saudi Arabia. -Department of Pharmacognosy, College of pharmacy, Al-Azhar University, Cairo, Egypt
Abstract
Curassavine was isolated as a yellowish viscous liquid and identified as (ester of trachelanthamidine and 3-carboxy-4-methylhexane-2,3-diol) by the aid of mass spectrometry (MS) and Nuclear Magnetic Resonance spectroscopy (1H and 13C-NMR).Considerable mortality was evident after the treatment. With regard to the larvicidal activity, the obtained data showed mortality percentages between 4 and 24 % using concentrations between 100 and 500 mg/ml after 3 days. The mortality increased to reach 8 and 86 % for the same concentrations within 5 days. LC50 was 288.4 mg/ml. Concerning the pupicidal activity, no effect using concentrations between 100 and 500 mg/ml within 2 days; while they showed mortality percentages between 8 and    60 % within 5 days. LC50 was 512.9 mg/ml. On the other hand, Curassavine caused mortality percentages among larvae and pupae of Culex  pipiens between 12 and 84 % using concentrations between 100 and 500 µg/ml after one day. While they showed mortality percentages between 16 and 100 % within 2 days; Value of LC50 was 147.9 µg/ml.
Keywords
larvicidal; pupicidal; Heliotropium curassavicum Culex pipiens
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