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nematode
相关语句
  线虫
    Species and distribution regularity of conifer nematode in Huangshan Mountain
    黄山针叶树线虫种类及分布规律
短句来源
    Risk analysis of impact of pine wood nematode( Bursaphelenchus xylophilus )on Hunan forestry and ecological environment.
    松材线虫对湖南林业和生态环境影响的风险性分析
短句来源
    STUDY ON CHEMICAL COMPONENTS AND RESISTANCE MECHANISM TO PINE WOOD NEMATODE OF MASSON PINE PROVENANCE(Ⅲ)--Study on contents variation of neutral terpenoids of resistant provenance of P. massoniana after inoculating Bursaphelenchus xylophilus
    抗松材线虫病马尾松种源化学成分与抗性机理研究(第Ⅲ报)——接种松材线虫引起抗性马尾松种源中性萜类含量变化关系的研究
短句来源
    Review on Behavior Studies of the Pine Wood Nematode
    松材线虫行为学研究进展
短句来源
    Pathogenic Factors of Pine Wilt Disease and Behaviour of Pine Wood Nematode
    松材线虫行为及松材线虫病的致病因子
短句来源
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  线虫病
    Study on the Environmental Impact Eco-assessment and Management of Pine Wood Nematode in Zhejiang Province
    浙江省松材线虫病环境影响经济评价与治理研究
短句来源
    Studies on the Relationship of Amino Acid Content of Different Masson Pine Provenances and Their Resistanceto Pine Wood Nematode (PWN)
    马尾松不同种源氨基酸含量与抗松材线虫病的关系
短句来源
    Advance on Physiopathology of Pine Wood Nematode Disease
    松材线虫病病理生理学研究进展
短句来源
    STUDY ON CHEMICAL COMPONENTS AND RESISTANCE MECHANISM TO PINE WOOD NEMATODE OF MASSON PINE PROVENANCE(Ⅲ)--Study on contents variation of neutral terpenoids of resistant provenance of P. massoniana after inoculating Bursaphelenchus xylophilus
    抗松材线虫病马尾松种源化学成分与抗性机理研究(第Ⅲ报)——接种松材线虫引起抗性马尾松种源中性萜类含量变化关系的研究
短句来源
    The Risk Assessment of Pine Wood Nematode Disease in Huangshan Scenic Area I. Pine Bore Species Population and Dynamic Monitoring
    黄山风景区松材线虫病危险性评估 Ⅰ.松蛀虫种类、种群分布及动态监测
短句来源
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  “nematode”译为未确定词的双语例句
    The result showed that the pathogenicity of Nematode 1 and 6 was strong but that of Nematode 2 and 5 was weak;
    结果表明,1、6号虫株致病性较强; 2、5号虫株致病性较弱;
短句来源
    and that of Nematode 3 and 4 was between.
    3号和4号致病性居中。
短句来源
    The Enzymes in the Secretions of Pine Wood Nematode ( Bursaphelenchus xylophilus )
    松材线虫体外酶组成分析
短句来源
    The quality of DNA is very high and the ratio of absorbancy at 260nm and 280nm was between 1.7 to 1.9, and the content of DNA between 300~630μg/mL; Incision way has been used for extracting genomic DNA from a few even single nematode which were treated with liquid nitrogen for ten minutes, or -70℃for fifteen minutes or -20℃for forty minutes.
    所提取的DNA 质量较好,OD260/OD280 值在1.7-1.9 之间,样本DNA 含量在300-630 微克/毫升。
短句来源
    But studyes on nematode of Aryptomeria fortunei are minority.
    主要研究结果如下:
短句来源
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  nematode
Mutual influences in growth and reproduction between pine wood nematode Bursaphelenchus xylophilus and bacteria it carries
      
The result showed that the strong-pathogenic GcM5-1A strain and ZpB1-2A strain significantly increased fecundity, reproduction rate, and the body volume of the adult nematode.
      
The phenomenon showed that the pathogenic bacteria carried by the nematode were not accidentally contaminated, but rather had existed as symbionts of the nematode with which it had coevoluted over a long period.
      
Niche of insect borers within Pinus massoniana infected by pine wood nematode
      
In November 2003 and June 2004, the insect borers and their spatial distribution within Pinus massoniana were investigated in Zhoushan City, in East China's Zhejiang Province, where pine wood nematode (Bursaphelenchus xylophilus) are typically found.
      
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About 14000 shade trees infested by carpenterworm Holcocerus in-sularis in Shijiazhuang and Tianjin Cities were injected with 200 ml/tree entomopathogenic nematode Steinernema feltiae agriotos suspensioncontaining 1000 larvae/ml into the uppermost bore on the trunk.Mas-sive infected carpenterworms gushed out from the bores a few daysafter inoculation,and died around the trunk.The mortality was up to96.8% and the suvivor's bores was 94.2% decreased.The result indic-ated that the preparation of this strain...

About 14000 shade trees infested by carpenterworm Holcocerus in-sularis in Shijiazhuang and Tianjin Cities were injected with 200 ml/tree entomopathogenic nematode Steinernema feltiae agriotos suspensioncontaining 1000 larvae/ml into the uppermost bore on the trunk.Mas-sive infected carpenterworms gushed out from the bores a few daysafter inoculation,and died around the trunk.The mortality was up to96.8% and the suvivor's bores was 94.2% decreased.The result indic-ated that the preparation of this strain of entomophytic nematodes isa potential biological control agent for effectively suppressing this ca-rpenterworm species.

在石家庄和天津两城市,施用芜菁夜蛾线虫Steinernema feltiae agriotos Filitjev防治小木蠹蛾 Holcocerus insularis Staudinger。经防治的树计1.4万棵,用塑料洗涤瓶将线虫悬液(1000条/ml)从最上端虫孔注入,每树约注200ml。线虫注入虫道后,有大量木蠹蛾幼虫感病爬出树干外死亡。死亡率达96.8%,活幼虫孔减退率为94.2%。大面积用线虫防治小木蠹蛾的显著效果说明,芜菁夜蛾线虫防治小木蠹蛾可应用于生产上。

In 1988-1989,100 ha of lichi,longan trees were treated with cod-ling moth nematode Steinernema carpocapsae A24 for controlling the lichistem porer Arbela dea Swinhe,a common insect pest of tropical andsubtropical fruit and forest trees.The larvae bore into the trunks andbranches forming a lot of tunnels and also damaging the basts at night.By injecting the nematode suspension((1-8)×10~3/ml)into thetunnels or spraying outside.89%-100% of the stemborer larvae were killedby this nematode,the damage...

In 1988-1989,100 ha of lichi,longan trees were treated with cod-ling moth nematode Steinernema carpocapsae A24 for controlling the lichistem porer Arbela dea Swinhe,a common insect pest of tropical andsubtropical fruit and forest trees.The larvae bore into the trunks andbranches forming a lot of tunnels and also damaging the basts at night.By injecting the nematode suspension((1-8)×10~3/ml)into thetunnels or spraying outside.89%-100% of the stemborer larvae were killedby this nematode,the damage of this insect pest has been reduced inthe treated area,indicated that it is an economical and effectiveapproach of biological control.

荔枝拟木蠹蛾(Arbela dea Swinhoe)是荔枝、龙眼等热带、亚热带果树及林木的常见害虫,其幼虫蛀茎或枝条成坑道,夜出啃食树的韧皮部为害。1988—1989年,作者应用苹果蠹蛾线虫(Steinernema carpocapsae A24)1—8×10~3条/ml水悬浮液,注射进荔枝拟木蠹蛾的坑道或喷雾至隧道,防治面积1500亩(100ha),防效达89%—100%,有效地压低了荔枝拟木蠹蛾在这地区的为害,是一种经济的、有效的生物防治手段。

The pine wilt disease caused by nematode,Bursaphelenchus xylophilus was first detected inZhongshan Mausoleum,Nanjing in 1982 and the disease quickly spread to ten nearby counties,administratively belonging to the cities of Nanjing and Zhenjiang.In the recent 10 years,it hasdestoryed 100,0000 pine trees and therefore has become the greatest threat to pine stands in thehistory of China’s forestry. Fortunately,this disedse has been brought under control due to inten-sive control measures taken so far.The...

The pine wilt disease caused by nematode,Bursaphelenchus xylophilus was first detected inZhongshan Mausoleum,Nanjing in 1982 and the disease quickly spread to ten nearby counties,administratively belonging to the cities of Nanjing and Zhenjiang.In the recent 10 years,it hasdestoryed 100,0000 pine trees and therefore has become the greatest threat to pine stands in thehistory of China’s forestry. Fortunately,this disedse has been brought under control due to inten-sive control measures taken so far.The destructive occurrence and spread of the disease in Japanwarns us that the same catastrophe can happen in China if inadequate attention is paid.In this pa-per,a systematic analysiS on the effects of all the control measures used at present is made and acontrol strategy of strict quarantine and thorough disposel of dead pine trees is proposed.withJiangsu as an example,the infested region is divided into epicenter,margin and other scattered in-fested areas in nearby cities and counties,and different coritrol measures should be taken in theseareas according to different degrees of infestation,This strategy is based on the principle that therecxists a correlation between the three factors and three stages of the infective cycle and its controlof this disease.

我国大陆自1982年在南京中山陵发现松材线虫(Bursaphelenchusxylophilus),至今在我国总计有6省1地区发生,致死松树一百多万株,成为我国有史以来的特大森林病害。由于进行了大力防治,已将此病控制在一定危害水平上。对照日本国松材线虫病发生发展的历史,沉痛教训提醒人们,如不加重视,我国有可能重蹈日本覆辙。分析我国目前所采用的防治措施后,提出严格检疫和长度清理病死树为主的综合防治措施,以及区别情况分别对策。以江苏省为例,可将疫区区划为中心疫区、疫区边缘和孤立疫点郊市县,采取不同的防治措施。此对策是建立在分析该病害三要素和该病害侵染循环3个环节与病害防治关系的理论基础之上的。

 
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