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Position: Home > Articles > Effects of rotenone on oviposition and feeding of Monochamus alternatus Hope (Coleoptera: Cerambycidae) Acta Entomologica Sinica 2005,48 (5) 41-45

鱼藤酮对松墨天牛产卵和取食行为的影响

作  者:
李水清;孙江华;张钟宁
单  位:
中国科学院动物研究所;中国科学院研究生院;农业虫害鼠害综合治理研究国家重点实验室;农业虫害鼠害综合治理研究国家重点实验室 北京100080
关键词:
鱼藤酮;松墨天牛;忌避作用;拒食作用
摘  要:
为探索松墨天牛防治的新方法,实验了鱼藤酮对松墨天牛产卵和取食行为的影响及鱼藤酮对松墨天牛5龄幼虫的触杀作用。结果表明,鱼藤酮对松墨天牛具有显著的产卵忌避作用和成虫取食的干扰作用。产卵忌避作用和拒食作用随鱼藤酮浓度的增大而增强,处理浓度为1000mg/L时,鱼藤酮对成虫的产卵忌避率为75.63%,处理后12h松墨天牛的选择性和非选择性拒食率分别为72.91%和69.50%。鱼藤酮对松墨天牛5龄幼虫的触杀作用不明显。因此,利用鱼藤酮防治松墨天牛,一方面可以通过抑制其取食减少松材线虫的传播;另一方面通过忌避产卵可减少下代虫口。
译  名:
Effects of rotenone on oviposition and feeding of Monochamus alternatus Hope (Coleoptera: Cerambycidae)
作  者:
LI Shui-Qing 1,2 , SUN Jiang-Hua1, ZHANG Zhong-Ning 1* ?(1. State Key Laboratory of Integrated Management of Pest Insects and Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100080, China; 2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China)
关键词:
Rotenone; Monochamus alternatus; deterrent effect; antifeedant effect
摘  要:
Effects of rotenone on oviposition and feeding of Monochamus alternatus Hope were investigated in the laboratory. The results showed that rotenone strongly deterred the females from ovipositing and significantly inhibited the adults from feeding on the 1-2 year-old twigs. The higher the concentration of rotenone, the stronger the deterrent rate of oviposition and the antifeedant rate. At the concentration of 1 000 mg/L, the deterrent rate of oviposition was 75.63%,and the selective and non-selective antifeedant rate were 72.91 % and 69.50 % respectively. The contact toxicity of rotenone against 5 instar larvae was not strong. So it is concluded that rotenone can decrease the spreading of Bursaphelenchus xylophilus by inhibiting feeding behavior of M. alternatus and detract the density of population by deterring the females from ovipositing.

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