印楝素乳油对黄曲条跳甲种群控制作用评价

应用生态学报 ›› 2003, Vol. ›› Issue (6): 959-962.

印楝素乳油对黄曲条跳甲种群控制作用评价

侯有明¹, 庞雄飞², 梁广文², 尤民生¹

1. 福建农林大学植保学院, 福州 350002;
2. 华南农业大学昆虫生态研究室, 广州 510642

收稿日期:2001-03-06 修回日期:2001-05-31 出版日期:2003-06-15
通讯作者: 侯有明,男,1966年生,副教授,博士后,主要从事昆虫生态与害虫综合治理研究,发表论文80多篇.Tel:0591-3789214,E-mail:ymhou@fjau.edu.cn.
基金资助:
国家自然科学基金项目(39930120,30070503);福建省自然科学基金重点项目(B0020002);福建省重大科技项目(2002N007);福建省教育厅科研资助项目(K20031)

Evaluation of azadirachtin against striped flea beetle,Phyllotreta striolata(F.)

HOU Youming¹, PANG Xiongfei², LIANG Guangwen², YOU Minsheng¹

1. Department of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, China;
2. Laboratory of Insect Ecology, South China Agricultural University, Guangzhou 510642, China

Received:2001-03-06 Revised:2001-05-31 Online:2003-06-15

摘要/Abstract

摘要： 在生命表方法分析的基础上,建立了害虫累积为害量指标,用以描述和比较某一时间段内害虫动态持续为害力大小.应用该指标分析印楝素乳油对黄曲条跳甲(Phyllotreta striolata(F.))种群控制作用,结果表明,对成虫显著的忌避作用是其对种群控制的主要机理.印楝素0.50ml·L^-1对成虫的忌避率为83.75%,种群趋势指数I值降为0.3354,干扰作用控制指数为0.0863.采用田间试验获得的结果,避免了室内测定的空间限制,因而是评价异源植物次生化合物对害虫忌避作用的主要依据.该指标在以害虫控制为目标的动态研究中具有较好的应用前景.

Abstract: Based on the idea of life table,the concept and index of insect pests accumulated damage amount were described and the damage degree and its fluctuation were compared.Through analyzing the deterrent effect of azadirachtin on the adults of striped flea beetle (SFB), Phyllotreta striolata (F.),the results showed that the control mechanism was its strongly deterrent effect. When0.5 ml稬^-1 azadirachtin was applied,83.75% of the SFBadults was kept away from the host plant. The population trend index (Ivalue) of SFB decreased from 3.8680 in the control to 0.3354.The interference index of population control (IIPC) was 0.0863 at this dosage. The results come from the fields,which avoided the space limit of laboratory experiment,were the main basis to evaluate the deterrent of allogenetic plant secondary substances to insect pests. Such index provided an objective method to assess the pest damage degree,and would play an important role in the dynamic researches of pest ecological control.

中图分类号:

侯有明, 庞雄飞, 梁广文, 尤民生. 印楝素乳油对黄曲条跳甲种群控制作用评价[J]. 应用生态学报, 2003, (6): 959-962.

HOU Youming, PANG Xiongfei, LIANG Guangwen, YOU Minsheng. Evaluation of azadirachtin against striped flea beetle,Phyllotreta striolata(F.)[J]. Chinese Journal of Applied Ecology, 2003, (6): 959-962.

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