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当前位置: 首页 > 文章 > 斯氏钝绥螨对马铃薯上腐食酪螨的捕食效应研究 云南农业大学学报(自然科学) 2017 (2) 233-237
Position: Home > Articles > The Predatory Efficacy of Amblyseius swirskii(Athias-Henriot) to Tyrophagus putrescentiae Journal of Yunnan Agricultural University(Natural Science) 2017 (2) 233-237

斯氏钝绥螨对马铃薯上腐食酪螨的捕食效应研究

作  者：
郑亚强;陈屹甫;余清;莫笑晗;杜广祖;罗春萍;肖关丽;陈斌
单  位：
云南农业大学植物保护学院;云南省烟草农业科学研究院;云南农业大学附属中学;云南农业大学农业与生物技术学院
关键词：
斯氏钝绥螨;腐食酪螨;捕食效应;功能反应;密度干扰效应
摘  要：
采用捕食功能反应研究法,在室内人工气候箱内于16,20,24,28和32℃,RH(85±5)%条件下,研究了斯氏钝绥螨对马铃薯腐食酪螨的捕食效应。结果表明:斯氏钝绥螨对马铃薯腐食酪螨具有良好的捕食作用,其雌成螨对马铃薯腐食螨若螨具有较强的嗜食性,对马铃薯腐食螨雌成螨却未表现出明显的嗜食性;捕食功能模拟结果显示:斯氏钝绥螨对马铃薯腐食酪螨的捕食功能反应符合Holling II型;16~28℃条件下,斯氏钝绥螨对马铃薯腐食酪螨的捕食作用随温度的升高而增强,但当温度高于32℃时,其对腐食酪螨的捕食量逐渐降低;在相同温、湿度条件下,斯氏钝绥螨对马铃薯腐食螨若螨的捕食作用强于对雌成螨;斯氏钝绥螨在捕食腐食酪螨的过程中存在明显的竞争和密度干扰效应,表现为当腐食螨密度一定时,其日均捕食量随其自身密度的增加而降低。该研究结果将为利用斯氏钝绥螨防治马铃薯腐食酪螨提供理论依据。
译  名：
The Predatory Efficacy of Amblyseius swirskii(Athias-Henriot) to Tyrophagus putrescentiae
作  者：
ZHENG Yaqiang;CHEN Yifu;YU Qing;MO Xiaohan;DU Guangzu;LUO Chunping;XIAO Guanli;CHEN Bin;College of Plant Protection,Yunnan Agricultural University;The Middle School Affiliated to Yunnan Agricultural University;Yunnan Academy of Tobacco Agricultural Sciences;College of Agronomy and Biotechnology,Yunnan Agricultural University;
关键词：
Amblyseius swirskii(Athias-Henriot);;Tyrophagus putrescentiae;;predation;;functional response;;intraspecific density interference effect
摘  要：
To identify the functional response of Amblyseius swirskii( Athias-Henriot) to Tyrophagus putrescentiae,a study on the prey preference,prey response and intraspecific interference were made using the method of functional response of the predator to the prey at five temperatures( 16,20,24,28 and32 ℃) and RH( 85 ± 5) ℃ under the laboratory condition. The results showed that A. swirskii preferred nymphs of T. putrescentiae rather than female adults. Predatory functional response was in accordance with Holling II equation. At 16-28 ℃,the average treatment time decreased with the increase of temperature,the predatory number decreased when temperature was over 32 ℃. The predatory rate decreased with the increase of the predator density under the same prey density. The competition and in-traspecific density interference effect was found for the A. swirskii during its predation. All the results will provide a theoretical base for the control on T. putrescentiae infesting potato using A. swirskii.

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