| 巴氏钝绥螨对腐食酪螨的捕食作用 |
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| 引用本文： | 王峻枫,陈军,李桂亭,江俊起.巴氏钝绥螨对腐食酪螨的捕食作用[J].安徽农业科学,2013,41(15):6694-6696. |
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| 作者姓名： | 王峻枫 陈军 李桂亭 江俊起 |
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| 作者单位： | 安徽省南陵县农业广播电视大学,安徽南陵,242400;安徽农业大学植物保护学院,安徽合肥,230036 |
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| 基金项目： | 公益性行业(农业)科研专项 |
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| 摘 要： | 目的]探究巴氏钝绥螨对腐食酪螨的捕食作用并评价其控螨效果。方法]研究了巴氏钝绥螨雌成螨在(25±1)℃、RH(80±5)%、光暗周期为16∶8 h的试验条件下对腐食酪螨各螨态的取食选择作用和捕食功能反应。结果]巴氏钝绥螨对腐食酪螨不同螨态的嗜食性显著不同,对腐食酪螨的卵和幼螨都有较强的取食选择性,选择系数分别为1.20和1.36;而对成螨的捕食选择性较小,选择系数为0.44。在一定的腐食酪螨密度范围内,巴氏钝绥螨雌成螨的捕食量随猎物密度的增长而逐渐增加;巴氏钝绥螨雌成螨对腐食酪螨的捕食功能反应方程为:1/Nα=2.260×(1/Nt)+0.069,属于HollingⅡ型。结论]为巴氏钝绥螨的保护利用及害螨综合防治提供了理论依据。
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| 关 键 词： | 巴氏钝绥螨 腐食酪螨 取食选择性 功能反应 |
Predation Effect of Amblyseius barkeri to Tyrophagus putrescentiae |
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| Institution: | WANG Jun-feng et al(Radio and Television University of Agriculture,Nanling,Anhui 242400) |
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| Abstract: | Objective] The aim was to explore the predation effect of Amblyseius barkeri to Tyrophagus putrescentiae and evaluate the control effect of A.barkeri to T.putrescentiae.Method] Predation functional responses of female adult of A.barkeri to T.putrescentiae under conditions of（25±1） ℃,RH（80±5）% and light and dark cycles of 16∶8 h were studied.Result] There were significant differences among the preference indexes（Q） of A.barkerri to T.putrescentiae.A.barkeri preferred for eggs and larvae（Q=1.20,Q=1.36） rather to other development stages of T.putrescentiae,while preference indexes for adult mites was relatively low（Q=0.44）.Functional response experience showed that daily preying capacity of A.barkerri increased gradually with the growth of the density of T.putrescentiae.Regression equation was 1/Nα=2.26×（1/Nt）＋0.069,belonged to Holling Ⅱ model.Conclusion] The research results provide the oretical basis for the protection and utilization of A.barkeri and the integrated control of spider mites. |
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| Keywords: | Amblyseius barkeri Tyrophagus putrescentiae Predation selection Functional response |
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