Journal
INDUSTRIAL CROPS AND PRODUCTS
Volume 81, Issue -, Pages 147-151Publisher
ELSEVIER
DOI: 10.1016/j.indcrop.2015.11.076
Keywords
Drosophila melanogaster; Monoterpenes; Fumigant; Essential oils; (+/-)-Citronellal; (+)-Pulegone
Categories
Funding
- Natural Science Foundation of Hubei Province [2014CFB571]
- National Natural Science Foundation of China [31340057]
- Zhejiang A&F University research fund [2013FK008, 2014FR009]
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Monoterpenes are the major components of essential oils from many aromatic plants, partly contributed to the insecticidal properties of essential oils. In this study, the fumigation activity of 40 pure monoterpenes against fruitfly, Drosophila melanogaster, were evaluated. Results from fumigation tests revealed that terpinolene, 3-carene, eugenol, thymol, carvacrol, isoeugenol, citral, (+/-)-citronellal, cuminaldehyde, (-)-verbenone, and (+)-pulegone exhibited strong fumigation activity against D. melanogaster. In addition, the (+/-)-citronellal and (+)-pulegone (aldehydes and ketones) were the most toxic monoterpenes to D. melanogaster with LC50 values of 0.015 and 0.02 mu l/L respectively. Oxygenated monoterpenes were found to be with higher toxicity as compared with monoterpene hydrocarbons. The present results indicated that (+/-)-citronellal and (+)-pulegone exhibit a potential for the development of new botanical insecticides against the D. melanogaster, suggesting that further studies of a number of medically important dipterans might be warranted. (C) 2015 Elsevier B.V. All rights reserved.
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