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insecticides
相关语句
  杀虫剂
    EVALUATION OF THE CONTROLLING EFFECTS OF INSECTICIDES ON THE NATURAL POPULATION OF MASSON PINE CATERPILLAR
    几种杀虫剂对马尾松毛虫自然种群控制作用的评价
短句来源
    Impact of 12 Chemical Insecticides on Conidial Germination of 3 Entomogenous Fungi
    12种化学杀虫剂对3种虫生真菌孢子萌发影响的研究
短句来源
    Study on Compound Biological Insecticides Controlling Pantana phyllostachysae Chao
    复合生物杀虫剂防治刚竹毒蛾研究
短句来源
    Prelimary Study on Using Compound Biological Insecticides to Control Dendrolimus kikuchii
    复合生物杀虫剂防治思茅松毛虫的初步研究
短句来源
    Contact Toxicities of Four Insecticides to Masson-pine Caterpillar Moths.
    4种杀虫剂对马尾松毛虫的作用及毒力
短句来源
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  “insecticides”译为未确定词的双语例句
    Study on the trunk coating insecticides control of Hylobitelus xiaoi
    涂干剂防治萧氏松茎象的研究
短句来源
    was better than the other insecticides’,and its interference index of population control(IIPC) was 0.154.The IIPC of Caiedi,Jiengangmygin,Cyhalothrin and Malathin were 0.195,0.207,0.302 and 0.359,respectively.
    其次为:菜蛾敌粉剂、1 % 农哈哈、2.5% 功夫和45 % 马拉硫磷,其干扰作用控制指数分别为0 .195 、0 .207 、0 .302 和0.359 .
短句来源
    The insect-killing effeets of 4 insecticides by tree-injection were all very significant,and the best inectieide was Fenralerate,which resulted in percentage dead to 96 7% in 3d and to 100% in 4d.
    树干注射的 4种药剂的杀虫效果均达到极显著水平 ,其中以速灭杀丁效果最佳 ,3d死亡率达96 .7% ,4 d死亡率达 10 0 % ;
短句来源
    The trunk coating insecticides included in the tests were 0 5%BL 1,0 25%BL 4,0 5%BL 6 and 0 25%BL 8.In one test,willow trees were treated with 0 5%BL 1 and 0 25%BL 4.Adult beetles were made to contact treated area for 5 seconds and checked 24 hours later.
    用 0.5 %BL-1和 0.2 5 %BL-4涂干剂处理柳树 ,施药 30d后使天牛成虫接触 5s ,2 4h死亡率分别是 80 %~ 93.2 %。
短句来源
    The field bioassay of 4 trunk injection insecticides(14% Imidacloprid+DDVP,4.5%Imidacloprid,2%Abamectin and 30%DDVP+omethoate) was conducted against Brontispa longissima.
    利用14%吡虫啉. 敌敌畏注干液剂、4.5%吡虫啉注干液剂、2%阿维菌素注干液剂和30%敌畏.
短句来源
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  insecticides
The molecular design, synthesis and optimization of lead compounds are important to the development of insecticides.
      
The preparation is compatible with insecticides (carbofos, vismetrin, talstar, and applaud) and certain fungicides (such as baitan).
      
Effects of p-Nitrophenol and Organophosphorous Nitroaromatic Insecticides on the Respiratory Activity of Free and Immobilized Ce
      
Improving the Selectivity of the Determination of Organophosphorus Insecticides and Carbamates by Enzyme Assay
      
The structures, properties, methods of chemical synthesis, and insect hormonal activities of insecticides of a new 1-alkyl-1,2-diacylhydrazine series are reviewed.
      
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This paper presents an investigation on Kuwanaspis vermiformis (Takahashi), a species of destructive insect to bamboo. It is concluded that bamboo is a sort of newlyfound host of Kuwanaspis vermiformis (Takahashi), based on a long term of observations. Bamboo forestsin the county of Yuqi,saxian Nanping, Jianou and Shanghang were often attacked by the pest, and even 70—90% percent of culms in some plots could be seriously damaged. The pest had two generations a year and alternation of generations was of frequent...

This paper presents an investigation on Kuwanaspis vermiformis (Takahashi), a species of destructive insect to bamboo. It is concluded that bamboo is a sort of newlyfound host of Kuwanaspis vermiformis (Takahashi), based on a long term of observations. Bamboo forestsin the county of Yuqi,saxian Nanping, Jianou and Shanghang were often attacked by the pest, and even 70—90% percent of culms in some plots could be seriously damaged. The pest had two generations a year and alternation of generations was of frequent occurence.Most of the pests lived through the winter in the form of female perfect insects,occasionally in the form of eggs. It was also determined that the most serious-damage periods were May-June and September-October. Cybocephalus nipponicus Endro-younga was shown to be a species of natural enemy to the pest. Consequently, mevinphos and oxidized dimethoate bade been proved to be good insecticides and injecting and coating to be quite effective methods to control the pest, according to a series of contrel trials.

本文报导为害毛竹秆部的主要蚧虫——蠕须盾蚧。经多年来观察研究,在福建省尤溪、沙县、南平、建瓯、上杭等县市的毛竹林中常受该虫为害,严重者毛竹秆受害率达70%—90%。该虫一年发生2代,大量以成虫和少量以卵在雌介壳中越冬,5—6月和9—10月为为害的高峰期,而且世代重叠严重。其天敌发现有日本方头甲等多种;经药剂防治试验结果,以快灭磷、氧化乐果等农药,采用注射法或涂秆法效果显著。

In this paper,eight appraisal indices were used in fuzzy syntheti-cal multi-factor analyses for determining the control efficacies oftwelve treatments with five insecticides.The results showed that thesynthetical effects of ultra-low-volume sprayings with 5 ml/mu of 2.5%Decis,5 ml/mu of 40% Shuangxiao-methrin,or 10 ml/mu of 20%sumicidin were desirable.

草原害虫药剂防治受多种环境因子的影响,以单一的害虫死亡率所反映的试验结果在实际应用中多受限制。本文以牧草害虫——白茨粗角萤叶甲为防治对象,以植被、害虫、天敌、成本四大方面的影响效应选取8项评判指标,采用综合评判、加权海明距离等模糊数学方法,对5种农药12项处理的防治效果进行评判。结果表明,采用2.5%敌杀死,5毫升/亩;40%双效菊酯,5毫升/亩;20%杀灭菊酯,10毫升/亩进行超低容量喷雾,具有较好的综合效果。

The bamboo's pests, such as Algedonia coclesalis (Walker), Hippota dorsalis (Stal)and Otidognathus davidis (Fair). etc., have outbroken frequently and seriously damaged the bamboo forest production in Zhejiang province since 1970'. This paper deals with the synthetic efficiency of using bamboo cavity injection with Tamarom for controlling bamboo's pests. The results were showed that more than 90% of mortality was occured by adapted the above method for controlling bamboo leaf-eating, branch-culm and shoot borng...

The bamboo's pests, such as Algedonia coclesalis (Walker), Hippota dorsalis (Stal)and Otidognathus davidis (Fair). etc., have outbroken frequently and seriously damaged the bamboo forest production in Zhejiang province since 1970'. This paper deals with the synthetic efficiency of using bamboo cavity injection with Tamarom for controlling bamboo's pests. The results were showed that more than 90% of mortality was occured by adapted the above method for controlling bamboo leaf-eating, branch-culm and shoot borng and sucking pests, meanwhile, the method had advantages as follows: (1) it cound prevent the insecticide from loss and volatilization; (2) safety in use and little effect on natural enemies, environment, edible value of bamboo shoots and bamboo timber properties; (3) the cost of control was lower (average: 0.03~0.5 Yuan/plant). And it was recomended for expanding the method of control of bamboo's pests.

应用竹秆竹腔注射甲胺磷方法防治笋期、枝干、食叶害虫的效果均在90%以上,防治后对竹林害虫天敌影响小,不影响竹笋食用,成本也较低,宜在竹虫为害区推广应用。

 
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