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ipm strategies
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  “ipm strategies”译为未确定词的双语例句
     The dominant species succession of community of natural enemies and pests at Jujube fields intercropped with herbage and IPM strategies of Jujube orchards
     间种牧草枣园害虫与天敌群落优势种的演替与IPM决策
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     Based on the specific situation in China, the premiptive resistant management and the IPM strategies for transgenic Bt cotton were proposed.
     并针对我国的具体情况,讨论了害虫对转Bt基因棉抗性的预防策略及转基因棉IPM体系的关键技术组成。
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     STUDIES ON THE DOMINANT SPECIES COMPOSITION OF INSECT PEST-NATURAL ENEMY COMMUNITY AND ITS SUCCESSION IN APPLE ORCHARD AND ORCHARD IPM STRATEGIES
     苹果园害虫-天敌群落优势种组成及变化和果园IPM决策的研究
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     Progress on yam (Dicscorea opposita Thunb) diseases and discussion on IPM strategies
     山药主要病害研究进展和生产中存在的问题
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     Flight behaviors of Bemisia tabaci and corresponding IPM strategies
     烟粉虱的飞行行为与害虫综合治理策略
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  相似匹配句对
     The ? R Strategies?
     “3R”策略是银行营销的核心内容。
短句来源
     Flight behaviors of Bemisia tabaci and corresponding IPM strategies
     烟粉虱的飞行行为与害虫综合治理策略
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     Office strategies
     权谋诈术——办公室故事(连载)
短句来源
     IPM AND GREENFOOD
     综合防治与绿色食品工程
短句来源
     Progress on yam (Dicscorea opposita Thunb) diseases and discussion on IPM strategies
     山药主要病害研究进展和生产中存在的问题
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  ipm strategies
There is increasing interest in the use of trap crops as components of integrated pest management (IPM) strategies.
      
Under the IPM strategies tested the principal control agent was identified as European earwig (Forficula auricularia L.) (Dermaptera: Forficulidae).
      
Two impulsive models of integrated pest management (IPM) strategies are proposed, one with fixed intervention times and the other with these unfixed.
      
Moreover, our theoretical work suggests how IPM strategies could be used to alter the levels of the ET in the farmers' favour.
      
State-dependent impulsive models of integrated pest management (IPM) strategies and their dynamic consequences
      
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In 1987,systematic investigations on apple insect pests and naturalenemies were conducted in an IPM demonstration area in suburb of Jin-zhou,Liaoning Province.Based on principal component analyses,the composition and seasonal succession of dominant species in insectpest-natural enemy community were explored.The results showed thatthe IPM strategies was in favor of the protection and utilization of na-tural enemies,while in routine control area,the food web among thosedominant species were ignored...

In 1987,systematic investigations on apple insect pests and naturalenemies were conducted in an IPM demonstration area in suburb of Jin-zhou,Liaoning Province.Based on principal component analyses,the composition and seasonal succession of dominant species in insectpest-natural enemy community were explored.The results showed thatthe IPM strategies was in favor of the protection and utilization of na-tural enemies,while in routine control area,the food web among thosedominant species were ignored by empirical pesticide treatments,causing the significant population decrease of natural enemies,increaseof pesticide resistance and resurgence of apple insect pests.

本试验于1987年在中国农科院兴城果树所综防示范点——辽宁省金州三十里堡苹果园进行。此文应用主分量分析方法研究苹果树不同生长阶段害虫-天敌群落中优势种的组成和季节性变化。结果表明,综防区的防治策略有利于保护天敌优势种。常规防治区凭经验用药,忽视了优势种间的食物网联系,导致杀伤天敌,害虫抗药性增加,而再度猖獗。

The present paper gives an account of the new research results of the outbreak forecast,the natural enemy resources and their exploitation and applying,the ecological control with proper forest management,the ecosystem control without environmental pollution,the damage losses evaluation and economic threshold and infesting types differentiation on Dendrolimus tabulaeformis Tsai et Liu (Lepidoptera: Lasiocampidae) in the Leisizhuang Forest Region,Shaanxi Province, as well as proposes an IPM strategy for...

The present paper gives an account of the new research results of the outbreak forecast,the natural enemy resources and their exploitation and applying,the ecological control with proper forest management,the ecosystem control without environmental pollution,the damage losses evaluation and economic threshold and infesting types differentiation on Dendrolimus tabulaeformis Tsai et Liu (Lepidoptera: Lasiocampidae) in the Leisizhuang Forest Region,Shaanxi Province, as well as proposes an IPM strategy for control the caterpillar in future.

本文介绍了陕西省雷寺庄林区油松毛虫预测预报、天敌资源及开发利用、营林生态防治、无公害生态防治、危害损失及经济阈值和灾害类型区划等研究的新成果,并提出了今后油松毛虫综合治理的对策。

Abstract The recent advances in integrated Pest Management of ornamental trees inU- S. A are sumed up , which including the background , reasons and main measures ofornamental tree IPM strategy.

美国实施园林树木害虫综合治理的进展韩桂彪(山西农业大学林学系,太谷010101)1回顾和展望园林树木害虫管理方法与农业害虫管理方法是基本相同的,但农业害虫的管理一直被社会所关注,而园林树木害虫管理直到近年才被社会重视。1891~1900年美国麻萨诸塞...

 
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