[1]于 炜,刘 锦.异色瓢虫对紫薇长斑蚜捕食及控制作用研究[J].浙江林业科技,2019,39(01):55-59.[doi:10.3969/j.issn.1001-3776.2019.01.009]
 YU Wei,LIU Jin.Predation and Control of Harmonia axyridis against Tinocallis kahawaluokalani[J].Journal of Zhejiang Forestry Science and Technology,2019,39(01):55-59.[doi:10.3969/j.issn.1001-3776.2019.01.009]
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异色瓢虫对紫薇长斑蚜捕食及控制作用研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年01期
页码:
55-59
栏目:
研究简报
出版日期:
2019-03-31

文章信息/Info

Title:
Predation and Control of Harmonia axyridis against Tinocallis kahawaluokalani
文章编号:
1001-3776(2019)01-0055-05
作者:
于 炜刘 锦
杭州植物园,浙江 杭州 310013
Author(s):
YU WeiLIU Jin
Hangzhou Botanical Garden of Zhejiang, Hangzhou 310013, China
关键词:
异色瓢虫紫薇长斑蚜捕食功能反应控制
Keywords:
Harmonia axyridis Tinocallis kahawaluokalani predation control
分类号:
S476+.2
DOI:
10.3969/j.issn.1001-3776.2019.01.009
文献标志码:
A
摘要:
为明确异色瓢虫Harmonia axyridis 对紫薇长斑蚜Tinocallis kahawaluokalani 的捕食能力,通过室内试验测定异色瓢虫成虫对紫薇长斑蚜的捕食功能。结果表明:异色瓢虫成虫对紫薇长斑蚜的捕食功能符合HollingⅡ反应模型,方程式为Na=0.987 5N/(1+0.005 43N),瞬时攻击率为0.987 5,处置时间为0.005 5 d;通过Hassell 和Valley干扰模型拟合,得到捕食作用率E 与猎物密度P 的关系为E=0.542P-0.809,捕食常数为0.542,干扰系数为0.809;通过对Holling 反应新模型进行拟合,方程式为Na=127.99exp(-61.55/N),最佳寻找密度为61.55 头。田间试验表明释放异色瓢虫成虫能有效控制紫薇长斑蚜密度,其中瓢蚜比1:20 和1:10 的防治效果基本相同,而1:40 的防治效果在短期内(7 d)不如1:20 和1:10,但长期(28 d)防效趋于一致。从经济学和生态学的角度综合考虑,以瓢蚜比1:20 或1:40 释放比较适宜
Abstract:
Harmonia axyridis and Tinocallis kahawaluokalani adults were trapped in Hangzhou Botanical Garden, Zhejiang province in August 2017. Experiment of predation of H. axyridis against T. kahawaluokalani was carried out in the laboratory. The results showed that the predation of H. axyridis was conformed with the model Holling-Ⅱ,with the equation of Na=0.987 5N/(1+0.005 43N). The rate of instantaneous attack was 0.987 5 and handle time was 0.005 5 day. By fitting the interfering model of Hassell and Valley, the relationship between predation rate (E) and prey density (P) was E=0.542P-0.809 with 0.542 of prey constant and 0.809 interfering parameter. By fitting the model of Holling, the equation was Na=127.99exp (-61.55/N), with the best density of 61.55. In May 2017, experiment was implemented on release of H. axyridis in Hangzhou Botanical Garden with different numbers to control T. kahawaluokalani. The results demonstrated that it had different effect with different density.

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备注/Memo

备注/Memo:
收稿日期:2018-07-17;修回日期:2018-12-09基金项目:杭州市科技发展计划项目(2016043B31)作者简介:于炜,高级工程师,从事有害生物综合防控工作;E-mail:fish1158@163.com。
更新日期/Last Update: 2019-02-20