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. 2008 Mar;99(4):889-93.
doi: 10.1016/j.biortech.2007.01.039. Epub 2007 Mar 21.

Terminating red imported fire ants using Cinnamomum osmophloeum leaf essential oil

Sen-Sung Cheng  1 , Ju-Yun Liu, Chun-Ya Lin, Yen-Ray Hsui, Mei-Chun Lu, Wen-Jer Wu, Shang-Tzen Chang
Affiliations

Terminating red imported fire ants using Cinnamomum osmophloeum leaf essential oil

Sen-Sung Cheng et al. Bioresour Technol. 2008 Mar.

Abstract

Eleven compounds from indigenous cinnamon (Cinnamomum osmophloeum) leaf essential oil were identified by GC-MS and the dominant constituent was trans-cinnamaldehyde (79.85%). The toxicity of leaf essential oil and trans-cinnamaldehyde were then determined to study their effectiveness in controlling the red imported fire ant, Solenopsis invicta Buren. The results of the toxicity tests indicated that both the indigenous cinnamon leaf essential oil and trans-cinnamaldehyde had an excellent inhibitory effect in controlling the red imported fire ant. The LT(50) values for both 2% leaf essential oil and 2% trans-cinnamaldehyde after open exposure were 105.0min and 32.2min; after close exposure were 18.5min and 21.2min, respectively.

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