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落叶松球果花蝇头胸和腹部粗提液阻碍与引诱作用的试验
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作者 孙江华 严善春 +1 位作者 张丹丹 Roques A. 《昆虫知识》 CAS CSCD 北大核心 2003年第5期455-457,共3页
将雌性落叶松和黑松球果花蝇头胸和腹部充分研磨 ,加入溶剂正己烷得到粗提液。应用该粗提液进行了球果花蝇产卵阻碍信息素和性引诱信息素的野外试验。初步结果显示球果花蝇有产卵阻碍信息素作用的存在 ,但还需进一步试验证明 ;同时结果... 将雌性落叶松和黑松球果花蝇头胸和腹部充分研磨 ,加入溶剂正己烷得到粗提液。应用该粗提液进行了球果花蝇产卵阻碍信息素和性引诱信息素的野外试验。初步结果显示球果花蝇有产卵阻碍信息素作用的存在 ,但还需进一步试验证明 ;同时结果未显示有性引诱效果。 展开更多
关键词 落叶松 球果花蝇 产卵阻碍信息 性引诱
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昆虫味觉研究进展及相关原理在害虫防治中的应用 被引量:4
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作者 杨科 王琛柱 《应用昆虫学报》 CAS CSCD 北大核心 2023年第2期486-498,共13页
味觉在昆虫取食和产卵选择中发挥重要作用,而昆虫的味觉感受主要依赖于味觉感官中表达的味觉受体(Gustatoryreceptors)。很多化合物能引起昆虫的味觉反应,在行为上表现为喜好或厌恶,在选择压力下昆虫的味觉还可能发生改变。本文介绍昆... 味觉在昆虫取食和产卵选择中发挥重要作用,而昆虫的味觉感受主要依赖于味觉感官中表达的味觉受体(Gustatoryreceptors)。很多化合物能引起昆虫的味觉反应,在行为上表现为喜好或厌恶,在选择压力下昆虫的味觉还可能发生改变。本文介绍昆虫味觉受体功能研究的新技术和新方法,综述了昆虫糖受体和苦味受体功能的研究进展,探讨了昆虫取食(或产卵)阻碍素和刺激素在害虫防治中的应用潜力。深刻理解昆虫的味觉感受机制,不仅有助于开发新型昆虫行为调节物,设计以味觉受体为潜在靶标的害虫绿色防控技术,还在昆虫行为抗药性治理,合理规划作物种植体系及品种选育等方面具有重要意义。 展开更多
关键词 味觉受体 功能分析 阻碍素 刺激 行为调控
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Analysis of Obstacles to Sustainable Development of Ecotourism in Nature Reserves: A Field Investigation of Three National Nature Reserves in Liaoning Province 被引量:5
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作者 LU Xiaobo CHEN Xiaoying 《Journal of Resources and Ecology》 CSCD 2020年第1期50-58,共9页
Nature reserves are key sites for ecotourism.In the context of sustainable development,a great number of ecotourism practices have been carried out in nature reserves around the world.Important ecotourism practices in... Nature reserves are key sites for ecotourism.In the context of sustainable development,a great number of ecotourism practices have been carried out in nature reserves around the world.Important ecotourism practices in nature reserves include the establishment of ecotourism certification systems,the development of management mechanisms promoting effective community participation and the development of standards for ecotourism practices.This paper uses questionnaires,a field investigation and interviews to examine the obstacles influencing the sustainable development of ecotourism in nature reserves,taking three nature reserves in Liaoning Province to serve as examples.The study found that there are two kinds of obstacles to the sustainable development of ecotourism in nature reserves.The first group of obstacles all represent common problems in China including:(1)environmental education is ignored;(2)community participation occurs on an ad hoc basis;(3)tourism management is not rigorous;(4)nature reserve administration is in a state of confrontation with local governments and residents.The second group of obstacles consists of specific problems faced by ecotourism in the three nature reserve,each of which has its own natural,social,cultural and economic environment that generate unique difficulties for ecotourism.In order to promote the healthy improvement of nature reserve ecotourism and achieve the goal of sustainable development,the research team puts forward five suggestions,developing correct understanding,striving to meet the reasonable demands of stakeholders,establishing scientific mechanisms,increasing the social responsibility of management departments of nature reserve ecotourism,and providing separate supervision and management. 展开更多
关键词 ECOTOURISM nature reserve obstacle analysis sustainable development
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