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竹盲走螨对竹裂爪螨的捕食功能
引用本文:刘怀,赵志模,王进军,吴仕源. 竹盲走螨对竹裂爪螨的捕食功能[J]. 应用生态学报, 2006, 17(2): 280-284
作者姓名:刘怀  赵志模  王进军  吴仕源
作者单位:西南农业大学植物保护学院重庆市昆虫学及害虫控制工程重点实验室,重庆 400716
基金项目:四川省科研项目;同济大学校科研和教改项目
摘    要:在实验室模拟条件下,系统研究了竹盲走螨对竹裂爪螨的控制作用.结果表明,在25±0.5 ℃条件下,竹盲走螨对竹裂爪螨各螨态的功能反应均属HollingⅡ型.在同一温度条件下,雌竹盲走螨成螨对竹裂爪螨各螨态的处置时间依次为卵<幼螨<前若螨<后若螨<雌成螨.竹裂爪螨卵、幼螨、若螨、雌成螨共存时,竹盲走螨嗜食卵、幼螨和前若螨(Q>1),但其对卵与幼螨及幼螨与前若螨无偏嗜现象.当竹裂爪螨密度低于9头时,竹盲走螨的产卵量随密度增加而增加;9~15头时,其日平均产卵量保持在每雌2粒左右;超过15头以后,产卵量反而下降,说明猎物密度过高对捕食者生存、繁殖存在干扰作用.

关 键 词:珙桐  种群  人口密度  保护措施  
文章编号:1001-9332(2006)02-0280-05
收稿时间:2005-01-31
修稿时间:2005-07-04

Predation of Typhlodromus bambusae Ehara on Schizotetranychus bambsae
LIU Huai,ZHAO Zhimo,WANG Jinjun,WU Shiyuan. Predation of Typhlodromus bambusae Ehara on Schizotetranychus bambsae[J]. The journal of applied ecology, 2006, 17(2): 280-284
Authors:LIU Huai  ZHAO Zhimo  WANG Jinjun  WU Shiyuan
Affiliation:Key Laboratory of Entomology and Pest Control Engineering of Chongqing,College of Plant Protection,Southwest Agricultural University, Chongqing 400716,China
Abstract:The simulation study under laboratory condition showed that the functional responses of Typhlodromus bambuse to Schizotetranychus bambuse at different development stages could be expressed by the curve of Holling Type II. The number of prey consumed by predator quickly increased with initial prey density, but soon leveled off. At 25 +/- 0.5 degrees C, the handling time (Th) of T. bambuse to S. bambusae at the stages of egg, larva, protonymph, deurtonymph and female was in order of egg
Keywords:Schizotetranychus bambsae   Typhlodromus bambusae   Predation   Functional response
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