title: Contact toxicity and repellency of the essential oil of Liriope muscari (DECN.) bailey against three insect tobacco storage pests.
abstract: In order to find and develop new botanical pesticides against tobacco storage pests, bioactivity screening was performed. The essential oil obtained from the aerial parts of Liriope muscari was investigated by GC/MS and GC/FID. A total of 14 components representing 96.12% of the oil were identified and the main compounds in the oil were found to be methyl eugenol (42.15%) and safrole (17.15%), followed by myristicin (14.18%) and 3,5-dimethoxytoluene (10.60%). After screening, the essential oil exhibit potential insecticidal activity. In the progress of assay, it showed that the essential oil exhibited potent contact toxicity against Tribolium castaneum, Lasioderma serricorne and Liposcelis bostrychophila adults, with LD50 values of 13.36, 11.28 µg/adult and 21.37 µg/cm2, respectively. The essential oil also exhibited strong repellency against the three stored product insects. At the same concentrations, the essential oil was more repellent to T. castaneum than to L. serricorne adults. The results indicate that the essential oil of Liriope muscari has potential to be developed into a natural insecticide or repellent for controlling insects in stored tobacco and traditional Chinese medicinal materials.
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. abelabel@126.com.
authors.forename: Yan
authors.initials: Y
authors.lastname: Wu
authors.affiliation: Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University, No.19 Xinjiekouwai Street, Beijing 100875, China. zwj0729@mail.bnu.edu.cn.
authors.forename: Wen-Juan
authors.initials: WJ
authors.lastname: Zhang
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. 15177471944@163.com.
authors.forename: Ping-Juan
authors.initials: PJ
authors.lastname: Wang
authors.affiliation: Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University, No.19 Xinjiekouwai Street, Beijing 100875, China. yangk_1988@mail.bnu.edu.cn.
authors.forename: Kai
authors.initials: K
authors.lastname: Yang
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. huangdongye8@163.com.
authors.forename: Dong-Ye
authors.initials: DY
authors.lastname: Huang
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. jtx_wjy@163.com.
authors.forename: Jian-Yu
authors.initials: JY
authors.lastname: Wei
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. tianzhaofu@yeah.net.
authors.forename: Zhao-Fu
authors.initials: ZF
authors.lastname: Tian
authors.affiliation: Technical Center of China Tobacco Guangxi Industrial Co., Ltd, Nanning 530001, Guangxi, China. baijiafeng10@163.com.
authors.forename: Jia-Feng
authors.initials: JF
authors.lastname: Bai
authors.affiliation: Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Beijing Normal University, No.19 Xinjiekouwai Street, Beijing 100875, China. dushushan@bnu.edu.cn.
authors.forename: Shu-Shan
authors.initials: SS
authors.lastname: Du
mesh_terms: D000818:Animals; D001517:Coleoptera / Q000187:drug effects*; D007302:Insect Repellents / Q000633:toxicity*; D031424:Liriope Plant / Q000737:chemistry*; D009822:Oils, Volatile / Q000737:chemistry / Q000633:toxicity*; D010572:Pest Control, Biological; D014026:Nicotiana / Q000469:parasitology*
chemical_list: D007302:Insect Repellents; D009822:Oils, Volatile