[1]武依,郑国,李学军,等.草皮逍遥蛛对大豆蚜的捕食功能反应研究[J].大豆科学,2015,34(03):470-473.[doi:10.11861/j.issn.1000-9841.2015.03.0470]
　WU Yi,ZHENG Guo,LI Xue-jun,et al.Predatory Function of Philodromus cespitum on Soybean Aphids[J].Soybean Science,2015,34(03):470-473.[doi:10.11861/j.issn.1000-9841.2015.03.0470]
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草皮逍遥蛛对大豆蚜的捕食功能反应研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第34卷 期数: 2015年03期 页码: 470-473 栏目: 出版日期: 2015-06-25
Title:
Predatory Function of Philodromus cespitum on Soybean Aphids
作者:
武依1; 郑国1; 李学军1; 于广文2; 李艳2
1.沈阳师范大学 化学与生命科学学院，辽宁 沈阳 110034；
?2.岫岩县农业技术推广中心，辽宁 岫岩 114300
Author(s):
WU Yi1; ZHENG Guo1; LI Xue-jun1; YU Guang-wen2; LI Yan2
1.College of Chemistry and Life Science, Shenyang Normal University, Shenyang 110034, China;?
2.Agricultural Technology Extension Center of Xiuyan County, Xiuyan 114300, China
关键词:
捕食功能; 草皮逍遥蛛; 大豆蚜; 生态调控; 田间罩笼
Keywords:
Predatory function;  Philodromus cespitu;  Soybean aphid;  Ecological regulation;  Caged field
DOI:
10.11861/j.issn.1000-9841.2015.03.0470
文献标志码:
A
摘要:
采用室内试验与田间罩笼试验的方法分别测定了草皮逍遥蛛对大豆蚜的捕食功能与田间控害作用。结果表明：草皮逍遥蛛在室内条件下对大豆蚜的捕食功能反应符合Holling-Ⅱ型方程，当蚜蛛比小于100时，草皮逍遥蛛的捕食量随着大豆蚜密度增加而上升，日均最大捕食量为49.2头。在田间罩笼条件下，草皮逍遥蛛的日均最大捕食量为84.4头，当蚜蛛比小于50时，草皮逍遥蛛可以对大豆蚜起到较好的控制作用，当蚜蛛比大于50时，草皮逍遥蛛可以将大豆蚜发生高峰期推迟约3 d。草皮逍遥蛛可以对大豆蚜起到较好的生态调控作用，但是当大豆蚜处于“窝子蜜”阶段和之后的上升期和盛期时，需要有瓢虫等其它天敌存在时才能有效控制蚜虫危害。
Abstract:
The predatory function of Philodromus cespitum（Philodromidae）on soybean aphid was studied in laboratory and field cages, on the basis of investigations on population dynamics of soybean aphid and P cespitum.Under the lab conditions, the functional response of P cespitum predating on soybean aphids were fitted to Holling-II model well; when the aphid/spider ratio less than 100, the predatory capacity of Pcespitum increased with increasing prey density; the daily maximum predatory capacity was 49.2 Under the caged field conditions, the daily maximum predatory capacity was 84.4; P cespitum had a preferable controlling effect on soybean aphid when the aphid/spider ratio was less than 50∶1; while the aphid/spider ratio was more than 50∶1, the population peaks of soybean aphids will be put off 3 days.It could conclude that P cespitum could play an important role in the ecological regulation of soybean aphid; however, P cespitum could not control soybean aphids efficiently without other natural enemies while soybean aphids were at stage of concentrated aphids, and the following rising and peak stages.

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备注/Memo

基金项目：国家自然科学基金（31372224，31172121）；公益性行业（农业）科研专项（201103022）；辽宁省高等学校优秀人才支持计划（LJQ2012094）。

第一作者简介：武依（1990-），女，硕士，主要从事昆虫生态学研究。E-mail: chrysanthemum51@sina.com。
通讯作者：郑国（1973-），男，博士，副教授，主要从事群落生态学研究。E-mail: zhengguo@synu.edu.cn。

更新日期/Last Update: 2015-07-16