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quarantine
相关语句
  检疫
    Grapevine Phytoplasma Yellows and Their Quarantine Techniques
    葡萄植原体黄化病及其检疫技术
短句来源
    Preliminary Studies on Forest Quarantine Insect Pest in Gannan County
    甘南县林木检疫害虫初步研究
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    Study of Quarantine Techniques for Larch Shoot Dieback
    落叶松枯梢病检疫技术的研究
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    The Survey of Forest Plant Quarantine Objects and Dangerous Diseases and Insect Pests and the Technical Research on Designation of Epedemic Areas in Quanzhou City
    泉州市森林植物检疫对象及危险性病虫(疫情)调查和疫区划定的技术研究
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    The Epidemic Situation Survey of Quarantine Objects of Forest Plants in Fujian Province and Their Quarantine Countermeasures
    福建省森林植物检疫对象疫情调查及检疫对策
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  “quarantine”译为未确定词的双语例句
    Preparation of the three kinds of antiserum against quarantine viruses and its detection by SPA ELISA
    几种危险性病毒抗血清的制备及检测方法的建立
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    The first report of the study on irradiation of wax apple from entry as a quarantine treatment for fruit flies
    进境莲雾辐照杀虫处理试验研究初报
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    Several Lab.Quarantine Methods of Soybean Phytophthora Root Rot
    大豆疫霉根腐病的几种实验室检验方法
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    A survey method for monitoring epidemic situation of Matsucoccus matumurae and quarantine measures
    日本松干蚧疫情监测调查方法与封锁扑灭措施
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    Multiple RT-PCR Detection of Quarantine Viruses in Grape and Expression of the Coat Protein Gene of Arabis Mosaic Nepo Virus and Preparation of Virus-Specific Antiserum
    葡萄几种病毒多重PCR检测和ArMV外壳蛋白的表达及抗血清制备
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  quarantine
Maintenance of planetary quarantine by devices of detonation automatics of spacecraft for missions to mars
      
fallax, a quarantine organism in Europe, was recorded for the first time in South Africa.
      
mayaguensis and can be used to monitor the occurrence and spread of this species, and to provide quarantine services tools to limit its dispersal.
      
Species ofBursaphelenchus associated with maritime pine,Pinus pinaster, from Portugal - within and outside the quarantine restricted demarcated zone ofB.
      
Species of the genus Nacobbus have the potential to reduce yields of major food crops such as potato, sugar beet and tomato in many parts of the world, thus warranting a quarantine effort to avoid their introduction.
      
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The present article deals with two aspects on the quarantine of the hemp moth,Grapho-litha delineana Walker.All stages have been described,with special reference to the larvalstage,which is most commonly met with both in seed inspection and in field survey.Testshave been made to disinsectize the hemp seed.These are:(1)delayed dispatch of the seedas long as one year,taking advantage of the long life of the hemp seed;(2)seed treatmentwith BHC dust and(3)seed fumigation with methyl bromide.As is seen from...

The present article deals with two aspects on the quarantine of the hemp moth,Grapho-litha delineana Walker.All stages have been described,with special reference to the larvalstage,which is most commonly met with both in seed inspection and in field survey.Testshave been made to disinsectize the hemp seed.These are:(1)delayed dispatch of the seedas long as one year,taking advantage of the long life of the hemp seed;(2)seed treatmentwith BHC dust and(3)seed fumigation with methyl bromide.As is seen from Table 3 and4,delayed dispatch and seed treatment do have some effect but not satisfactory to cope withthe quarantine demand.Seed fumigation,on the other hand,is highly satisfactory.In the1/8 cubic meter cabinet tests,methyl bromide at a dosage of 55 grams to the cubic meter,kills the cocooned larvae completely within 18 hours,as long as the seed temperature is keptat 9℃ or above.This result can be used as a basis for large scale experiments on fumiga-tion.

大麻食心虫(Grapholitha delineana Walker)是大麻专食性害虫。它的越冬虫茧常混在大麻种子里并借此远距离传播。本文报导了种子检验方法及结果。为了便于鉴定,对各虫期形态作了描述。对防治种子内混杂的带茧幼虫曾试用:种子长期堆放、六六六粉拌、及溴甲烷燻蒸三种方法,以后一种方法效果最好。每立方米大麻种子用溴甲烷55克,温度在9℃以上,密闭18小时,可全部杀死茧内幼虫,对大麻种子发芽没有不良影响。

The tobacco leaf miner (i.e. potato tuber moth, Gnorimoschema operculella (Zeller)) is widely distributed in the tobacco growing districts of Yunnan Province and is one of the worst pests of the tobacco plant. In Southern Yunnan where the temperature is comparatively higher, there is another serious pest of tobacco, the tobacco stem borer (Gnorimoschema heliopa (Lower)). At seedling stage, the affected young stems are stimulated to produce galls or develop into abnormal growth. Finally, the affected seedlings...

The tobacco leaf miner (i.e. potato tuber moth, Gnorimoschema operculella (Zeller)) is widely distributed in the tobacco growing districts of Yunnan Province and is one of the worst pests of the tobacco plant. In Southern Yunnan where the temperature is comparatively higher, there is another serious pest of tobacco, the tobacco stem borer (Gnorimoschema heliopa (Lower)). At seedling stage, the affected young stems are stimulated to produce galls or develop into abnormal growth. Finally, the affected seedlings wilt and die off. Not only in the seed bed, but also in the field, tobacco stem borers attack the lateral buds or pith of the tobacco plant. In Kunming, the tobacco leaf miner has four or five overlapping generations. Winter is passed as pupa in the laboratory, but feeding and breeding may be continuous in the exposed warmer place. In Southern Yunnan such as Yangjiaba, Jianshui, the tobacco stem borer has more than four generations a year. The tobacco leaf miner is adopted to warm and arid climate. The occurrence of the tobacco stem borer is closely related with the field management and the environmental conditions. Investigations in the past years have shown that the pest is most serious in the hillside tobacco plots where the soil is very arid, but scarcely occurs when the seedling bed is supplied with sufficient water and the soil is kept humid. Infestations may be prevented by destroying all the tobacco stubbles during winter. To gather and burn up the leaves of the under part of the tobacco plant is an effective control measure against the tobacco leaf miner. Strict quarantine measures against the potato tuber moth should be maintained to prevent its spread.

菸潛叶蛾 (卽馬鈴薯块茎蛾) 在云南普遍为害烟草。在云南南部温度較高地区,还有一种菸草瘿蛾严重为害,菸草幼茎受害后形成虫瘿或成畸形;受害烟苗往往死去。菸草瘿蛾在大田为害侧芽及菸株髓部。本文記述了这两种菸草害虫的为害性及习性。菸潛叶蛾在昆明一年发生4—5代,世代重叠;在室外温暖向阳处可終年活动,在室內飼养則以蛹过冬。菸草瘿蛾在南部建水县羊街埧,一年至少发生4代。菸潛叶蛾喜温暖干燥的气候,栽培管理与环境条件对菸草瘿蛾发生有密切关系。历年調查,在半山坡烟田,土壤干燥处, 虫害严重;苗床水分充足,土壤經常保持湿潤,則很少发生。此外,与土壤、前作都有关系。彻底处理菸草残株,消灭其越冬場所是減少或消灭这两种害虫的主要措施。菸潛叶蛾一般为害脚叶,在大田生长期打脚叶是有效措施。貫彻馬鈴薯的检疫和防治措施,也关系到菸草上为害的輕重。疫区調运种薯,特别是調至菸草种植地区,必須严格检疫。

Dahurian larches[Large gimelini] were important timber trees, growing very commonly in our Northeastern forest. Since 1976, larch cankers have been observed on dahurian larches. The pathogenic fungi are Trichoscyphella willkommii[Hart.] Nannf. They may occur as a serious disease on twigs and stems of the plantatio ns, the natural regenerating young crops and the natural overmatured stock trees, but the natural regenerated young crops had the highest percentages of pathogenic fungi attacks. The lowest percentages...

Dahurian larches[Large gimelini] were important timber trees, growing very commonly in our Northeastern forest. Since 1976, larch cankers have been observed on dahurian larches. The pathogenic fungi are Trichoscyphella willkommii[Hart.] Nannf. They may occur as a serious disease on twigs and stems of the plantatio ns, the natural regenerating young crops and the natural overmatured stock trees, but the natural regenerated young crops had the highest percentages of pathogenic fungi attacks. The lowest percentages of pathogenic fungi attacks were 21%, the highest-97%, as a general, the percentages of pathogenic fungi attacks were 50%, the twigs attacked by this disease could produce the fusiform cankers, the stems could produce a variety of forms of cankers and occur the symptoms of resin flows. On the surfaces of cankers persisted concentric protuberances of cankers traumata. If trees attacked from year to year,the trees were hard to recover from this disease. On the margins of cankers traumata produced some discoid fructifications, which were white outside and orange-yellow inside,diseased trees of natural stands were the source of infection of plantations, seriously attacked, frostbite and sun burn caused by tremendous temperature difference were the essential infective matter. Buds, twigs and barks died back from freeze injury were essential infection gate of pathogenic fungi. Precautionary measures were proposed that:we had to reconnoiter the state of disease development, carry out quarantine in the cultivated regions, improve tbe stands conditions, reforest mixed crops, don't reforest in the low-lying lands and in the cutting-blank of larch, adsivably increase the primary density of plantations, in order to escape from frostbite, at formation period, make intermediate cutting in time, carefully make prunning reduce infection gate and chance invaded by pathogenic fungi.

兴安落叶松[Larix gmslini]是我国东北林区分布广泛的重要用材树种。自1976年发现了癌肿病。病原菌是韦氏毛杯菌[Trichoscpphella willommii(Hart.)Nannf.]。病害发生在人工林、天然更新幼林和过熟的天然母树上的枝与干上,显然幼令林的发病率最高。发病率最低为21%,最高为97%,一般为50%。枝病后发生棱形癌肿,干病后发生各种形状的癌肿和流脂病状,癌肿表面有同心环状的突起溃疡伤。一旦发病年年发展,极难恢复。在溃疡伤的边缘产生盘状子实体,外白内橙黄。天然林中的病树,是人工林大面积发病的侵染来源。霜冻与温差大所造成的日灼伤,是发病的重要诱因,被冻死的芽和小枝以及皮部,是病菌的最有可能的主要侵染途径。建议防治措施应包括:普查病情、域内检疫,提高林分卫生标准、造混交林、不在低洼地和落叶松迹地上造林、适当加大初植密度以防冻害、成林后适时间伐、精心修枝,以减少侵染来源和病菌的侵染机会。

 
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