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botanical insecticides     
相关语句
  植物杀虫剂
     On Botanical Insecticides and Environmental Safety
     生态环境安全与植物杀虫剂
短句来源
     This paper gives a concise introduction of insect-plant relationships, the recent development on the investigations of botanical insecticides, the chemistry of plant resistance to insects in relation to the breeding of resistant varieties, and the active defense of plants against insect attack in relation to insect control.
     本文介绍了植物与昆虫之间的关系、植物杀虫剂最近研究的进展、植物抗虫性的化学及其在抗虫育种中的作用、植物对昆虫的主动防御及其在害虫防治中应用的展望。
短句来源
     This paper summarizes the latest progress in the research of botanical insecticides from seperating and qualificating active ingredients, insecticidal mechanism and relationship between structure and activativity.
     本文从杀虫植物活性成分的分离与结构鉴定、杀虫作用机制、结构—活性关系三个方面系统地介绍了植物杀虫剂开发的最新研究进展。
短句来源
     Role of three botanical insecticides on the control of citrus leafminer (Phyllocnistis citrella Stainton)
     3种植物杀虫剂对柑桔潜叶蛾的控制作用
短句来源
     Acute Toxicity of Botanical Insecticides to Wasps of Trichogramma ostriniae Pang et Chen
     植物杀虫剂对玉米螟赤眼蜂成蜂的急性毒性
短句来源
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  植物性杀虫剂
     Studies on Controlling of Botanical Insecticides to Wheat Blossom Midge
     植物性杀虫剂防治小麦吸浆虫研究
短句来源
     Research Advances in the Control of Sitophilus Zeamais by Botanical Insecticides
     植物性杀虫剂防治玉米象的研究进展
短句来源
     The Development of Botanical Insecticides——Toosendanin
     植物性杀虫剂川楝素的开发研究
短句来源
     The research of application technology of neem formulations is reviewed and it is suggested that due to the mode of action and toxicology of botanical insecticides are different from conventional insecticides, research and development of application technology of botanical insecticides is necessary and very important.
     由于植物性杀虫剂在作用方式和作用机制上与有机合成杀虫剂有一定的差别 ,对害虫的作用靶标有所不同 ,因此 ,在剂型和药剂分散体系的设计上也有所不同 ,对这些相关领域进行深入研究 ,将能更有效地发挥包括印楝在内的植物性杀虫剂在田间的使用效果 ,是植物性杀虫剂研究中一个非常重要的内容。
短句来源
     The toxicity of Chlorpyrifos and Rigint mixed with botanical insecticides is same with or higher than that of Chlorpyrifos or Rigint alone.
     同时 ,毒死蜱、锐劲特等药剂与植物性杀虫剂混配 ,其毒杀效果与毒死蜱等单独使用效果一致或略高 ; 但植物性杀虫剂单独使用 ,其毒杀效果却低于氯丹
短句来源
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  植物源杀虫剂
     Current Progress in Research of Botanical Insecticides in China
     中国植物源杀虫剂研究进展
短句来源
     Current Status of Research and Prospect of Botanical Insecticides
     植物源杀虫剂的研究现状与发展前景
短句来源
     Research Advance in Botanical Insecticides
     植物源杀虫剂研究进展
短句来源
     This paper summarizes the currentt progresses in the research of botanical insecticides from 2000 to present in China. The sieving of insecticidal plant, determination of active ingredient, biosynthesis of insecticidal substances (including tissue culture, hairy root culture and utilization of endophytic fungi), effective mechanism, toxicity on non-target organism and application of botanical insecticides were reviewed.
     本文介绍了中国2000年以来植物源杀虫剂最新研究进展,内容包括杀虫植物筛选、杀虫活性成分鉴定、杀虫物质的生物合成(组织培养、发状根培养和利用内生真菌)、植物源杀虫剂的作用机理、对非靶标生物的毒性和应用技术等;
短句来源
     Botanical insecticides are a hot spot in the research of pesticide at present.
     植物源杀虫剂是当前农药研究的热点。
短句来源
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  植物质杀虫剂
     STUDY ON THE MIXED BOTANICAL INSECTICIDES
     混配型植物质杀虫剂的研究
短句来源
     EXPERIMENTS ON THE ANTIFEEDANT AND SYSTEMIC PROPERTIES OF SOME BOTANICAL INSECTICIDES AGAINST THE RICE YELLOW STEM BORER
     植物质杀虫剂对水稻三化螟的拒食及内吸毒力试验
短句来源
     Studies on the Bioactivity of Botanical Insecticides of the Melia to Chinese Rice Grasshopper
     楝属植物质杀虫剂对中华稻蝗生物活性研究(Ⅰ)拒食作用
短句来源

 

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      botanical insecticides
    azedarach (Chinaberry) and Trichilia americana, (all belonging to the family Meliaceae) along with commercial botanical insecticides ryania, pyrethrum, rotenone and essential oils of rosemary and clove leaf.
          
    In this review we compare the bioactivities of some plant extracts with those of commercially available botanical insecticides against two important agricultural pests, the cabbage looper, Trichoplusia ni and the armyworm, Pseudaletia unipuncta.
          
    Comparative bioactivity of selected extracts from Meliaceae and some commercial botanical insecticides against two noctuid cater
          
    The effects of the botanical insecticides Biopiren plus, Piresan plus and Neemazal T/S on the predatory mite Amblyseius andersoni (Chant) were tested under laboratory, semi-field, and field conditions.
          
    Side effects of botanical insecticides on predatory mite Amblyseius andersoni (Chant)
          
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    This paper gives a concise introduction of insect-plant relationships, the recent development on the investigations of botanical insecticides, the chemistry of plant resistance to insects in relation to the breeding of resistant varieties, and the active defense of plants against insect attack in relation to insect control.These four problems are closely interrelated. The discussions were mainly based on the biochemistry and ecology point of view and some of the results of research on botanical insecticides...

    This paper gives a concise introduction of insect-plant relationships, the recent development on the investigations of botanical insecticides, the chemistry of plant resistance to insects in relation to the breeding of resistant varieties, and the active defense of plants against insect attack in relation to insect control.These four problems are closely interrelated. The discussions were mainly based on the biochemistry and ecology point of view and some of the results of research on botanical insecticides relevant to this area recently carried out in the Laboratory of Insect Toxicology,South China Agricultural Univsrsity were presented. In forecasting of insect outbreaks the authors pointed out that usually methematical models upon which predictions were based centered on two major assumptions. One was the fluctuations in weather acted as the main determination of insect abundance and the other had to do with the interplay of such biological factors as parasites, predators, and pest pathogens. These predictive models sometimes failed because they were predicted on the belief that plants played a totally passive role in population dynamics, while in fact, it is the plant that is really pulling the strings. In China, investigations on insecticides from natural products and the defense mechanisms of plants to insect attack undoubtedly lead to breakthroughs in the system of integrated pest management (IPM) .

    本文介绍了植物与昆虫之间的关系、植物杀虫剂最近研究的进展、植物抗虫性的化学及其在抗虫育种中的作用、植物对昆虫的主动防御及其在害虫防治中应用的展望。主要从生物化学及生态学方面进行讨论,指出这四个问题具有内在的联系。对植物杀虫剂的探入研究,今后可能获得对环境安全而对害虫不产生抗药性的新一代农药。研究作物抗虫的遗传基因,可以培育出高抗优良品种。对于植物对害虫主动防御的探索,可以在害虫预测预报上获得新的进展。作者认为在我国开展植物自身控制害虫作用的研究具有深远的意义,将可使害虫综合防治获得划时代的突破。

    This paper gives a critical review of toosendanin, including its source, isolation, physical and chemical properties,industrial production, toxicology to vertebrates and insects, with special emphasis on the potential of development as a novel class of botanical insecticides. As far as the authors are aware, the chinaberry tree Melia toosendan Sieb. et Zucc. is mainly found in China and toosendanin was first isolated in China .We are the first group working on toosendanin as an insecticide. The unique...

    This paper gives a critical review of toosendanin, including its source, isolation, physical and chemical properties,industrial production, toxicology to vertebrates and insects, with special emphasis on the potential of development as a novel class of botanical insecticides. As far as the authors are aware, the chinaberry tree Melia toosendan Sieb. et Zucc. is mainly found in China and toosendanin was first isolated in China .We are the first group working on toosendanin as an insecticide. The unique properties of the toxic principles of toosendanin as an antifeedant, systemic and stomach poison as well as insect growth regulators, local availability, safe to the environment and com, patibility with the agroecosystem emphasize its ample potential in insect pest management system.

    本文对川楝素的来源、发现、提制、生产、应用及药理、毒理、毒性等方面的研究历史、现状及展望作了简单叙述。旨在讨论进一步研究这一天然化合物的重要意义。特别是通过对川楝素在医学上的药理、毒性等方面研究成果的回顾、总结,而为深入研究其在害虫防治方面的作用机制及应用措施提供依据、寻找线索、开创思路。

    Results of laboratory and field experiments with mixtures of toosendanin, Bacillus thurin-giensis (B. t.), B. t. No. 6 (containing 0.05% cypermethrin), etlianol extract of the root-bark of the thunder-god-vine (Trypterygium tvilfordii Hook f.) or chlorpyrifos showed marked synergistic effects in controlling the damage of the cabbage worm. It was found that although the conventional organic insecticides such as cartap, chlorpyrifos exhibited a rapid toxic action against the. cabbage worm, yet those survived the...

    Results of laboratory and field experiments with mixtures of toosendanin, Bacillus thurin-giensis (B. t.), B. t. No. 6 (containing 0.05% cypermethrin), etlianol extract of the root-bark of the thunder-god-vine (Trypterygium tvilfordii Hook f.) or chlorpyrifos showed marked synergistic effects in controlling the damage of the cabbage worm. It was found that although the conventional organic insecticides such as cartap, chlorpyrifos exhibited a rapid toxic action against the. cabbage worm, yet those survived the treatment fed and developed normally, and the weight of the pupae was similar to that of the unreated larvae. With botanical insecticides, however, either applied alone or in admixture with other insecticides, the percentage of pupation was significantly decreased in the larvae which survived the treatments and interestingly, the weight of the pupae was found to be markedly lighter, than the untreated control. This discovery seems to indicate that the toxic principles of the botanical insecticides, such as toosendanin and Trifterygium alkaloids would possess growth disrupting properties against the cabbage worm and furthermore it may have far-reaching importance in studying the mechanism and genetics of insecticide-resistance. .

    川楝素分别与苏芸金杆菌(B.t. var.galleriae)、青虫菌6号、雷公藤根粉乙醇抽提物以及化学农药乐斯本混用,对保护作物避免菜青虫(Pieris rapae L.)幼虫的取食为害有明显的增效作用,而且对幼虫的化蛹及蛹重都有明显的仰制作用,具有理论和实际意义。

     
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