槐小卷蛾的寄主选择行为  

Host-Selection Behavior of Cydia trasias

作　　者：项颖颖[1] 孙绪艮[1] 王秀利[1] 张霞 孟繁玲 

机构地区：[1]山东农业大学植物保护学院,泰安271018 [2]山东省新泰市园林局,新泰271200 [3]山东省泰安市园林局,泰安271018

出　　处：《林业科学》2010年第11期184-188,共5页Scientia Silvae Sinicae

摘　　要：经过长期的协同进化,昆虫与植物间已形成各种各样的互作关系。其中植食性昆虫的食性通过一系列的行为反应表达,昆虫对寄主植物的定向行为反应,是昆虫与植物关系中的一个核心问题（钦俊德,1987）。植食性昆虫在选择寄主的过程中,利用嗅觉、视觉、触觉和味觉等多种行为模式。寄主植物的挥发性物质通过昆虫的嗅觉感受器引诱昆虫到达植物,The olfactory response of Chinese tortrix（Cydia trasias）adults to volatiles of five plant species was tested with a wind tunnel.The volatiles were extracted from the branches of each plant species with HS（Head-space）,and then analyzed with GC-MS.Some substance contents of the five plant volatiles were also determined.The results showed that olfactory response of the Chinese tortrix adult to volatiles from the five species was different.The selectivity of Chinese tortrix to Sophora japonica and Sophora japonica cv.pendula was more than 80.0%,however,the selectivity to Robinia pseudoacacia and Robinia pseudoacacia cv.idaho was lower than 40%.Acetic acid,phenyl-3-hexenyl ester and cis-3,7-Dimethyl-1,3,6-Octatriene were the specific volatiles of Sophora,and they probably attracted C.trasias.1-Octen-3-ol and 3,5,5-Trimethyl-2-hexene existed in Robinia pseudoacacia and Robinia pseudoacacia cv.idaho might have repellent effect to Chinese tortrix.The ratios of carbon to nitrogen were the lowest（1.09）in Sophora japonica and highest（3.36）in Robinia pseudoacacia.The preference feeding of C.trasias was probably related to the lowest carbon to nitrogen of Sophora japonica.

关 键 词：槐小卷蛾 寄主选择 挥发物 

分 类 号：S718.7[农业科学—林学]