草栖钝绥螨雌成螨对侧多食跗线螨的捕食功能反应  

Functional Response of Amblyseius herbicolus against Polyphagotarsonemus latus

作　　者：邹梦婷 侯飞 倪召红 郭建军[1] Zou Mengting;Hou Fei;Ni Zhaohong;Guo Jianjun(Institute of Entomology,Guizhou University,Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region,Scientific Observing and Experimental Station of Crop Pest in Guiyang,Ministry of Agriculture and Rural Affairs of the P.R.China,Guiyang,Guizhou 550025,China)

机构地区：[1]贵州大学昆虫研究所/贵州省山地农业病虫害重点实验室/农业农村部贵阳作物有害生物科学观察实验站,贵州贵阳550025

出　　处：《山地农业生物学报》2023年第3期61-65,共5页Journal of Mountain Agriculture and Biology

基　　金：国家级大学生创新创业训练计划项目(202010657020、202010657062);国家重点研发计划项目(2017YFD0201000)。

摘　　要：为明确草栖钝绥螨Amblyseius herbicolus(Chant)对侧多食跗线螨Polyphagotarsonemus latus(Banks)的控制能力,在温度为28±1℃、相对湿度为(85±5)%、光照L∶D=16 h∶8 h的条件下测定草栖钝绥螨雌成螨对侧多食跗线螨各种螨态的选择捕食作用和捕食功能反应。结果表明:草栖钝绥螨对侧多食跗线螨的雌成螨、幼螨、卵和若螨的选择性捕食系数分别为1.53、1.18、0.86及0.42,对雌成螨和幼螨表现出嗜食性,对卵和若螨表现出非嗜食性;草栖钝绥螨雌成螨对侧多食跗线螨各螨态的捕食功能反应均符合Holling-Ⅱ型;对侧多食跗线螨幼螨的控制能力最强,其次为成螨、卵和若螨,捕食能力a/Th值分别为65.0430、56.8499、45.4918、23.3043;对幼螨、成螨、卵、若螨最大日捕食量,分别为109.8901、90.0901、54.6448、24.3902。研究表明,草栖钝绥螨可作为侧多食跗线螨的生防天敌。In order to clarify the control ability of Amblyseius herbicolus(Chant)against Polyphagotarsonemus latus(Banks),the selective predation and predation functional response of female adults of A.herbicolus were measured under the conditions of temperature 28±1℃,relative humidity(85±5)%,and photoperiod L∶D=16 h∶8 h.The results showed that the selective predation coefficients of females,larvae,eggs and nymphs were 1.53,1.18,0.86 and 0.42,respectively,which meant that the A.herbicolus female preferred the female adults and larvae of P.latus.The predation function response of A.herbicolus female to all stages of P.latus fitted well with Holling-Ⅱtype;The control ability of A.herbicolus female to the larvae of P.latus was the strongest,followed by the adults,eggs and nymphs,whose a/Th values were 65.0430,56.8499,45.4918 and 23.3043,respectively;and the daily maximum predation amount of A.herbicolus female to the larvae,adults,eggs and nymphs of P.latus were 109.8901,90.0901,54.6448 and 24.3902,respectively.This study proved that A.herbicolus would be a biocontrol agent to P.latus.

关 键 词：草栖钝绥螨 侧多食跗线螨 捕食选择性 功能反应 

分 类 号：S476.2[农业科学—农业昆虫与害虫防治]