Fumigant Toxicity of Pennyroyal and Spearmint oils against Western Flower Thrips, Frankliniella occidentalis
2006
Han, J.B. (Chungbuk National University, Cheongju, Republic of Korea), E-mail: [email protected] | Ahn, K.S. (Chungbuk Provincial Agricultural Research and Extension Services, Cheongwon, Republic of Korea) | Lee, C.K. (Forest Environment Research Institute of Gyeongnam, Jinju, Republic of Korea) | Kim, G.H. (Chungbuk National University, Cheongju, Republic of Korea)
Fumigant toxicity of four plant essential oils (muguet flower, patchouli, pennyroyal, spearmint) were tested against the adults of western flower thrips, Frankliniella occidentalis. Among them, pennyroyal and spearmint oils showed 100% mortality at 1 ㎕/45 ㎖ air dose. Through the constituent analysis using GC and GC-MS, we confirmed that main constituents of pennyroyal oil were pulegone(100.0%), and spearmint oil were β-myrcene(3.5%), limonene(12.1%), carvone(85.4%). Among them, carvone and pulegone showed 100% fumigation at 1 ㎕/45 ㎖ air dose, respectively. It can concluded that two oils are potential control agents against F. occidentalis.
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