华南毛蕨挥发油对美洲斑潜蝇成虫的行为干扰作用.pdfVIP

25 4 Vol.25, No.4 　　　　　　　　　　　 　　　　　　　　　　　 　2004 10 Journal of South China Agricultural University 　Oct.2004 1, 2 1 1 1 任立云 , 曾　玲, 张茂新, 许益镌 (1华南农业大学 昆虫生态研究室, 广东 广州510642;2 广西大学 农学院, 广西 南宁530005) :-, Cyclosorus p arasiticus ., 38, 21.961%, 17.199%, 16.161%, 14.263%, 11.026%, , 2.943%, 1.327%, 1.126%. , 2.5、5.0、7.5、10.0 μL 24 h , , ;48 h 10.0 μL ., . :;;; :Q968.1　　　　　　:A　　　　　:1001-411X (2004)04-0035-04 Deterrent effect of volatiles from Cyclosorus parasiticus on adult of Liriomyza sativae 1,2 1 1 1 REN Li-yun , ZENG Ling , ZHANG Mao-xin , XU i-juan (1 Lab of Insect Ecology, South China Agric.Univ., Guangzhou 510642, China; 2 Agricultural College, Guangxi Univerrsity, Nanning 530005, China) Abstract:Thirty-eight compounds, including furfural, coumarin and succinic acid, bis (2-methylpropyl)es- ter, were found in the volatiles extracted from Cyclosorus parasiticus , by using facility GC/MS.The bioassay showed that thevolatiles in different concentration had the oviposition deterrent effect and antifeeding effect a- gainst adults of Liriomyza sativae in 24h after treatment.Furthermore, the effect enhanced with the concentra- tions improving and weakened with time spending after treatment.The results of the four-armed olfactomater test showed that the volatiles from C .p arasiticus influenced the beheivor of L .sativae strongly. Key words:Liriomyza sativae;Cyclosorus parasiticus ;volatile;deterrent effects 　　, closorus p arasiticus Farw. ,Thelypteri- . daceae,., , , .、 . . , [ 1～4] . Cy - . 　:20