美国白蛾
- 网络Hyphantria cunea;fall webworm;hyphantria cunea drury
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四种限制性内切酶对美国白蛾核型多角体病毒DNA酶解分析
Restriction endonuclease analysis of Hyphantria cunea NPV
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3%高渗苯氧威防治美国白蛾药效筛选试验
The efficacy tests of 3 % high permeation fenoxycarb against Hyphantria cunea
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自1997年以来,以柞蚕(Antheraeapernyi)蛹为替代寄主的白蛾周氏啮小蜂繁育技术在美国白蛾生物防治中发挥了重要作用。
The technique of using Chinese tussah , Antheraea pernyi pupa as a surrogate host to artificially rear C. cunea has been playing an important role in the biological control of the fall webworm since 1997 .
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天敌昆虫对美国白蛾的生物控制研究
Study on Biological Control of Fall Webworm by Insect Natural Enemy
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美国白蛾&城市森林的大敌
American white moth , a major enemy to urban forest
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天津地区美国白蛾的生活习性及生物防治
Living Habits and Biological Control of Hyphantria cunea in Tianjin
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美国白蛾物候测报的初步研究
Preliminary studies on the phenological prediction of American white moth
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美国白蛾对溴氰菊酯敏感度测定试验
Preliminary report on the sensitivity test of American white moth to Decamethrin
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美国白蛾快速监测检疫技术程序与方法
Quarantine and Monitoring Procedures and Techniques of Hyphantria Cunea
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外来入侵种&美国白蛾的研究进展
Research progress on the invasive species , Hyphantria cunea
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廊坊地区美国白蛾生物学特性及防治措施
Bionomics of Hyphantria cunea and control measures in Langfang
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美国白蛾的发生规律与综合防治
Occurring regularity and integrated control of Hyphantria cunea
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美国白蛾入侵对我国的危害分析与损失评估研究
Damage Analysis and Loss Evaluation after Hyphantria Cunea ( Drury ) 's Invading China
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美国白蛾越冬代成虫羽化规律及产卵习性的研究
Study on Hyphantria cunea ( drury ) living through winter generation adult emergence and oviposition habits
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本文介绍了美国白蛾的发生规律、成灾原因及其相关的综合治理措施。
This paper introduces its occurrence law , the disaster cause and the correlative synthetic management .
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生物农药与化学农药对美国白蛾幼虫室内毒力评价
Evaluation of biological pesticide and chemical pesticide for the laboratory toxicological test to fall webworm larvae
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2004年全国美国白蛾疫区的非经济损失评估
Evaluation of Hyphantria cunea ( Drury ) ' Loss in China 's Epidemic Stricken Area in 2004
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该新种在我国北方美国白蛾发生区分布普遍,也分布韩国。
The parasitoid distributes in all areas where the pest outbreaked in China and in Seoul , Korea .
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美国白蛾种群遗传多样性与遗传分化及影响因素研究
Studies on Genetic Diversity and Differentiation in Fall Webworm ( Hyphantria Cunea ) Population and Its Influence Factors
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美国白蛾核型多角体病毒传播途径及对寄主的持续作用
Sustainable Effects for Hyphantria cunea Nuclear Polyhedrosis Virus on the Host Insects and the Diffusion Approach of the Virus
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美国白蛾为外来入侵种,现已扩散蔓延到辽宁、河北、天津、山东、陕西、上海等省市。
Hyphantria cunea Drury is a exotic species and has invaded and spread to Liaoning , Hebei , Tianjin , Shandong , Shanxi and Shanghai .
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为了更好的应用无公害技术防治济南市城区的美国白蛾,本文对无公害防治技术进行了研究。
In order to apply biological technology to integrated control H. cunea in Jinan city better , this article studied the nuisanceless biological control technology . 1 .
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美国白蛾食性杂、繁殖量大、适应性强、危害期长、传播途径广。
It is omnivorous large amount of propagation and have a good adaptability , they can damages plans for a long time and can spread throw many ways .
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利用美国白蛾性信息素诱捕美国白蛾可有效监测成虫发生期,调查成虫虫口密度,为防治下一代白蛾提供准确的防治时间。
Trapping Hyphantria cunea with its sex pheromone can effectively monitor the occurrence and population density of adults , thus provide the exact control time for the next generation .
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提出了美国白蛾损失评估方法,首次系统构建了美国白蛾损失评估的指标体系,并建立了损失指标的评估模型及测度方法。
Secondly , it puts forward loss evaluation methods , sets up the index system of its loss evaluation for the first time , and establishes evaluation models and measuring methods .
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主要结果如下:1美国白蛾在聊城开发区的喜食植物主要有桑树、白蜡、刺槐、杨树、垂柳5种。
The main results as follows are : 1 In the estuary area , H. cunea mainly like to eat mulberry , ash tree , Robinia , poplar and weeping willow .
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本文对河北省内美国白蛾的风险分析、发生情况预测、建立预警体系及预警系统方面进行了研究。
In this paper , Hebei Province , within the risk analysis of Hyphantria cunea , the occurrence of the forecast , the establishment of early warning system and early warning systems were studied .
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本文依据美国白蛾发生、危害症状、寄主、虫态、特征、发生期、传播方式等方面的特点与规律,探讨了美国白蛾的监测检疫检验技术程序与方法。
Quarantine and monitoring procedures and techniques were described in accordance with characteristics and scale of Hyphantria Cunea ( Drury ) in terms of its occurrence , damage symptom , host , phases as well as its spread modes .
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系统集合地理信息系统,网络信息传输实现了对河北省内美国白蛾进行定殖分析、监测预测预警、发布预警信息的功能。
System of collection of geographical information systems , information transmission network in Hebei Province has carried out within the Hyphantria cunea colonization analysis , early warning monitoring the forecast , the function of dissemination of early warning information .
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结果表明:4个转双抗虫基因的741杨株系对舞毒蛾和美国白蛾均有明显抗虫效果,主要表现为对低龄幼虫的毒杀作用和对高龄幼虫生长发育的抑制作用。
The results showed that four transgenic hybrid poplar clones all had insect-resistant effect on Gypsy moth and American white moth , which mainly indicated the killing effect on lower instar larvae and inhibition from development on higher instar larvae .