| 热带吸螨对二斑叶螨的捕食作用 |
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| 引用本文： | 陈霞,张艳璇,季洁,林坚贞.热带吸螨对二斑叶螨的捕食作用[J].福建农林大学学报(自然科学版),2008,37(4). |
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| 作者姓名： | 陈霞 张艳璇 季洁 林坚贞 |
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| 作者单位： | 福建省农业科学院植物保护研究所,福建,福州,350013 |
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| 摘 要： | 试验确定了热带吸螨能够捕食二斑叶螨,能生长发育繁殖.在20-35℃温度范围内,热带吸螨对二斑叶螨的功能反应均符合HollingⅡ型的圆盘方程,在20-30℃温度范围内,随着温度的上升,热带吸螨雌成螨对二斑叶螨雌成螨的捕食量增加,处理猎物时间缩短,单位时间攻击率增大,控制能力也增强;与30±1℃相比,在35±1℃时,单位时间攻击率虽有增强,但日最大捕食量明显下降,处理猎物时间延长,控制能力显著下降.
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| 关 键 词： | 热带吸螨 二斑叶螨 捕食作用 |
Predatory behavior of Bdella tropica Atyeo to Tetranychus urticae Koch |
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| CHEN Xia,ZHANG Yan-xuan,JI jie,LIN Jian-zhen.Predatory behavior of Bdella tropica Atyeo to Tetranychus urticae Koch[J].Journal of Fujian Agricultural and Forestry University,2008,37(4). |
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| Authors: | CHEN Xia ZHANG Yan-xuan JI jie LIN Jian-zhen |
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| Abstract: | Bdella tropica Atyeo could prey on Tetranychus urticae Koch,and could be parchenogenesis.It could oviposit,incubate,and develop at the temperature of 20-30 ℃,but there were low incubation and high mortality at 35±1 ℃.Functional responses of B.tropica Atyeo to T.urticae Koch approximated Holling type Ⅱ at the temperature of 20-35 ℃.When the density of prey was increased,the number of prey consumed by the adult female of B.tropica Atyeo increased along with the increasing of temperature within 20-30 ℃.The handling time of predator to prey was shorten,the attacking time was prolonged,and the control capability was stronger along with the increasing of temperature within 20-30 ℃.The number of prey consumed by adult female of B.tropica was evidently decreased,the handling time of predator to prey was longer,and the control capability was decreased along with the increasing of temperature within 30-35 ℃. |
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| Keywords: | Bdella tropica Atyeo Tetranychus urticae Koch predatory behavior |
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