• The cane toad was introduced back in 1935 to control an insect pest that was destroying Australia's sugarcane plantations.

    1935年就被引进控制一种破坏澳大利亚甘蔗种植园害虫

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  • Control way of insect pest.

    虫害控制方法

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  • An insect pest fatal to cotton had struck the crop.

    棉花遭受一种致命虫害

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  • Thus, CMS lines are needed to improve insect pest resistance in hybrid rice.

    因此,杂交稻性的提高有赖于不育系的改良。

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  • Dendroctonus valens is a dangerous insect pest of several pine species in China.

    红脂大小蠹我国一种危害油松等松树外来入侵物种

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  • The system will greatly improve the prevention of cotton diseases and insect pest.

    系统的建立对我国棉花病虫害防治具有现实性的意义。

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  • Forest insect pest and disease is one of the main factors influencing forest health.

    森林病虫害影响森林健康的主要因素之一

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  • The results showed: the peach borer has been one of the most important corn insect pest.

    结果表明蛀螟成为玉米主要害虫之一

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  • Some suggestions for the further control and study on this insect pest were also proposed.

    今后防治研究提出了一些建议

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  • Dioryctria rubella Hampson is an important insect pest of the piney shoot, bud, cone and trunk.

    微红梢斑危害松类嫩梢球果、芽和干的重要害虫

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  • The mosquito is the most dangerous insect pest in the world, and man's oldest and deadliest killers.

    蚊子世界危险害虫也是人类最古老的宿敌致命杀手

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  • System based on grid current pulse change statistics, which can estimate the insect pest of severity.

    系统通过电网中电流脉冲变化进行统计从而能够初略估计虫害的严重程度。

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  • The concentrations of Cd and Cu are different in the different parts of the male and female insect pest .

    结果显示,不同性别东亚飞蝗不同部位富集状况不同。

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  • P. massoniana showed fast height growth but poor natural trimming , crooked bole, low insect pest resistance.

    马尾松的树生长虽然较快,自然整枝树干不通直,且虫害较严重,抗性差

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  • The prevalence of disease and insect pest is one of the factors, which restrict the yield in rape production.

    油菜生产中,病虫害发生油菜高产稳产限制因子之一

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  • This is harmless to cultivation controls insect pest and disease to be most direct, the most effective method.

    无公害生产中控制病虫害直接、最有效的方法。

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  • According to observation on harmful characteristics of main forest insect pest, control measures have been put forward.

    主要林木害虫危害特点进行了观察提出了防治策略。

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  • It is unavailable to waste pesticides and pollute the environment by using conventional chemical control of insect pest.

    使用传统化学防虫不可避免会造成农药浪费环境污染

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  • The economic analysis of decision making is an important part of the modern insect pest management in theory and practice.

    害虫管理决策经济分析现代害虫管理理论实践重要组成部分

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  • Service fee: According to actual seriousness of insect pest, surrounding environment, industry, building structure and etc.

    服务价格实际虫害严重程度,内外环境行业房屋结构而定。

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  • Insect pest is one of the most important factors affecting high performance, good quality and safe production of vegetables.

    害虫为害影响蔬菜高效优质安全生产重要问题。

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  • Agenocimbex ulmusvora Yang is a newly discovered insect pest that causes severe damage to leaves of Chinese elm and White elm.

    少锤角叶蜂严重危害叶片害虫

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  • Research advances on structure, components, function, permeability and the relationship to insect pest management are summarized.

    该文综述了有关围食膜结构组分功能通透性以及与害虫防治关系等方面的研究进展。

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  • To be confronted with restricting chemosynthesis pesticides used in organic orchards, insect pest control had become a bottleneck.

    面临有机果园不准使用化学合成农药的限制,果树害虫防治成为瓶颈问题。

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  • The paper discussed Present situation and characteristics of insect pest in highway virescence, and put forward a prevention measurement.

    本文公路绿化虫害防治现状、发生特点防治基本策略进行了初步的探讨。

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  • Consequently, the low winter temperature is the key factor confining the distribution and overwintering population base of this insect pest.

    冬季低温限制柑桔潜叶蛾分布决定越冬虫口基数关键因子

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  • Objective To investigate infestation condition of globose spider beetle in floorboard and explore effective measures for controlling insect pest.

    目的了解木地板、木制品害虫情况探索木地板裸甲防制方法

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  • Objective To investigate infestation condition of globose spider beetle in floorboard and explore effective measures for controlling insect pest.

    目的了解木地板、木制品害虫情况探索木地板裸甲防制方法

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