aphids是什么意思   aphids怎么读

aphids单词基本解析：

aphids变化用词：

aphids英英释义：

名词 aphid:

any of various small plant-sucking insects

同义词：aphid

aphids中文词源：

aphids用法和例句：

The larvae prey upon small aphids.

这种幼虫以小蚜虫为食。

辞典例句

Heavy rain or hail may dislodge many aphids from the plants.

大雨和冰雹可从植株上击落很多蚜虫.

辞典例句

She pinched the aphids off the rose.

她从玫瑰(花)上抓走蚜虫.

辞典例句

Wind has little influence on sedentary aphids.

风对不动的蚜虫很少有影响.

辞典例句

A field may be smothered with aphids.

一块田的植株可以被蚜虫盖满.

辞典例句

Clusters of tiny insects called aphids were to be found on the underside of the leaves.

结果在树叶背面找到成串的叫作蚜虫小虫子.

新概念英语第三册

However, reproduction rates of some insects such as aphids are influenced by nutrition.

然而, 一些昆虫的繁殖率,如蚜虫等是受营养影响的.

辞典例句

Phloem elements and adjacent tissues are the principal feeding sites for most aphids.

韧皮部及其邻近组织是大多数蚜虫的主要取食部位.

辞典例句

Certain aphids seem to prefer waxy leaves, whereas other species are repelled by them.

有些蚜虫,看来喜欢有蜡质的叶片, 而这种叶片对另一些蚜虫却有拒避作用.

辞典例句

Alternation of sexual and parthenogenic generations , as in some aphids.

有性生殖和无性生殖的交替.

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Viruses are transmitted by VECTORS such as aphids and nematodes.

病毒的传播由传染媒介执行,例如蚜虫和线虫.

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Fungal pathogens are important natural biological control agents of aphids.

病原真菌是蚜虫的重要自然控制因子.

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The young beetle larvae can eat hundreds of aphids.

而幼龄瓢虫则可吃掉数百只蚜虫.

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Chrysopidae and Hemerobiidae ; larvae feed on insect pests such as aphids.

两种薄纱状翅膀的昆虫之一(蛹与褐 蛉 )其幼虫吃诸如蚜虫等的害虫.

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When growing vegetables, one must guard against cabbage aphids.

菜农在种植蔬菜时一定要注意防治菜蚜.

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aphids

In 2 n =12, all the red forms of the aphids have translocations of autosomal 1 and 3, but the yellowish-green forms contain autosomal 1 and 3 translocated individuals as well as normal karyotype ones.

3n =18,A1与A3 易位 . 同时 ,在核型为 2n =12的烟蚜中 ,体色为红色的个体全为A1与A3 易位个体 ,体色为绿色的个体中既有A1与A3 易位个体 ,又有正常个体 .

Test on Effect of 5% Admire for Controlling Cabbage Aphids

5%吡虫啉乳油防治蔬菜蚜虫田间药效试验

Cyfluthrin and cypermethrin among 7 pyrethroid insecticides possess the highest selective toxicity for the aphid to the ladybird, the STRs are 55.16 and 30.00, respectively.

7种菊酯类杀虫剂中以氟氯氰菊酯和氯氰菊酯的选择性最高，其选择性毒力比值分别为55.16和30.00。

The results showed among Aegilops species mentioned above there also existed the important sources of resistance to the aphids.

variabilis共 4 8份材料中 ,高抗占 16份 ,中抗占 15份 ,低抗占 13份 ,仅 4份感蚜 ,表明上述山羊草属中存在重要的抗禾谷缢管蚜资源

In some species, such as aphids, the flightless morph lacks wings and is called the apterous morph.

一些昆虫种类，如蚜虫，出现无翅个体，被称为无翅型。

Viruses are transmitted by VECTORS such as aphids and nematodes.

一些病毒感染后植物体将产生明显症状，如：叶片出现色斑或生长畸形。

A field may be smothered with aphids.

一块田的植株可以被蚜虫盖满。

And no significant differences were found in feeding behaviors among aphids on three plant parts once sustained ingestion started in the phloem.

一旦口针进入韧皮部持续吸食阶段,蚜虫在三个部位的取食行为没有太大的差异。

A method for mass culture of wheat aphids

一种室内饲养麦蚜的方法

Impacts of three insecticides on wheat aphids and their natural enemies in wheat field.

三种杀虫剂对麦田蚜虫和天敌的影响。

Keys to species of the aphids of garden plant in Shanghai

上海园林植物常见蚜虫种类检索

Pesticidal effects of different matrine mixtures on aphids

不同苦参碱混剂对蚜虫的杀虫活性

The highly specific activity of Bt insecticides might limit their use on crops where problems with several pests occur, including non-susceptible insects (aphids, grasshoppers, etc.).

专化性强，当几种害虫同时发生时对不感染性害虫如蚜虫和蝗虫不能兼治。使用受到限制。

Alternation of sexual and parthenogenic generations, as in some aphids.

世代交替双性与单性生殖交替进行，如一些蚜虫中

The period between hatching and finding their first aphid meal is a particularly vulnerable time for the larvae of this ladybug.

二斑瓢虫的幼虫以小型昆虫维生（例如蚜虫），牠们在孵化之后、找到第一顿大餐之前特别脆弱。

The Asian lady beetle eats aphids that damage crops like soybeans, fruits and berries.

亚洲甲虫吃掉了破坏庄稼的蚜虫，比如大豆，水果和草莓等。

A new insecticide bioassay target, green peach aphid, its rearing and several different bioassay methods were introduced in this paper.

介绍了一种新的生测筛选靶标桃蚜的室内饲养方法及几种不同的生测方法。

He used aphid fecundity data to elucidate the theoretical effects of antibiosis on insect population dynamics.

他利用蚜虫繁殖力资料说明了抗生作用对虫口动态的理论效应。

He searched the grass and trees around the cotton fields to trace the source of the aphids.

他在棉花地周围的草丛、树干上找寻蚜虫产生的根源。

These small insects must be destroyed.Rachid Hanna advises farmers to use biological controls such as natural enemies of the aphids.

他建议农民们采用如蚜虫的天敌这样的生物手段来消灭它们。

This article briefly deals with the research advance in species, distribution, isolation, culture and virulence assay methods of aphid pathogens.

作者通过评述国内外已有的研究报道，概述了蚜虫病原真菌的种类、分布、分离培养及毒力评价方法。

The five small arthropod were still very serious pest, especially aphid, scale and whitefly.

其中，五小害虫的危害仍然非常严重，尤其是蚜虫、蚧壳虫和粉虱。

The garden of the dominant species in the aphid species, the number of great changes have taken place, and these changes in landscape and plant in Wuhan is closely related to the restructuring.

其园林蚜虫的优势种群在种类、数量上都发生了很大变化，而且这些变化与武汉地区园林植物结构的调整密切相关。

The alive body and away body enzyme coped with liquid of the brown citrus aphid(Homoptera: Aphididae) using Daphnelantoxin B with toxic active component.

利用生化检测法,用瑞香狼毒素B活性物质处理蚜虫活体及离体酶液。

The pesticidal effect on aphid of the anaerobic fermentation liquid is studied by field experiment.

利用蚜虫作为试验对象,通过田间试验的方法,对厌氧发酵液的杀虫效果和杀虫机理进行了研究。

Producing offspring of only one sex, as some species of aphids.

单性繁殖后代的，如蚜虫的某些种类

In fact, cigarette butts out of the water bubble governance aphid was the "medicine.

原来，烟蒂泡出来的水竟是治蚜虫的“良药”。

Both adult ladybugs and their larvae are voracious eaters of aphids, scale insects, and another plant pests.

参考译文：冰山一般是白色、蓝色或者绿色的，尽管有些是黑色的，那是因为有岩石材料夹杂在里面。

Both adult ladybugstheir larvae are voracious eaters of aphids, scale insects,another plant pests.

参考译文：冰山是白色、蓝色绿色的，有些是黑色的，那是有岩石材料夹杂在里面。

Several other herbicides, including amitrole, barban, dicamba, and MCPA, alter aphid populations on treated hosts plants.

另一些除草剂，包括杀草强、燕麦灵、麦草畏和MCPA，都能够改变处理寄主上的蚜虫群体。

And there's another insect also after aphids - not to milk them, but to make a meal of them.

另一只昆虫也来到了蚜虫身后,它要吃掉蚜虫。

Of or belonging to the order Homoptera, which includes the cicadas, aphids, and scale insects, characterized by sucking mouthparts.

同翅目的属于同翅目的，其中包括以吸口器为特点的蝉，蜂虫和介壳虫

Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.

因为蚜虫类对有机磷化物能产生抗性，所以要避免过多的喷洒。

There are many publications on the progress in aphid alarm pheromones either overseas or in China.

国内已有使用蚜虫报警信息素方法的成果，国内外发表了许多研究成果。

Small round bright-colored and spotted beetle that usually feeds on aphids and other insect pests.

圆形身体的小甲虫,色彩鲜艳并有斑点,通常吃蚜虫和其它有害的昆虫。

In transgenic plants of T 1 generation, aphid fecundity inhibitions were 50.1% (hta-b) and 64.6% (hta-c) respectively. The development of aphids was notably retarded.

在T1 转基因烟草中 ,转hta -b和hta -c基因烟草对桃蚜繁殖的抑制率分别为 5 0 .1%,64.6%,同时 ,对桃蚜若虫的发育具有明显的抑制作用。

In general an aphid cannot or hardly identify its host at a distance.

在一定距离以外，蚜虫通常不能或难以识别其寄主植物。

A laboratory study was made on the effects of transgenic corn expressing cry1Ab toxin from the bacterium Bacillus thuringiensis(Bt) on the life table of an experimental population of corn leaf aphid Rhopalosiphum maidis Fitch.

在人工气候箱条件下研究了玉米蚜(Rhopalosiphum maidisFitch)取食表达cry1Ab杀虫蛋白Bt抗虫玉米的实验种群生命表.

In Texas, Marvin Harris, a professor at Texas A&M University, has found that spiders can control aphids in pecan orchards.

在得克萨斯州，得克萨斯行政管理大学教授马文 - 哈里斯曾发现蜘蛛能够控制薄壳山核桃果园中的蚜虫。

CTV and its efficient vector, brown citrus aphid (Toxoptera citricida Kirkaldy), are widely distributed in China.

在我国,CTV及其强力传媒褐色橘蚜(Toxoptera citricida Kirkaldy)广泛分布。

Harmonia axyridis is protected and used in the produce of fruit trees,which can control aphid effectively and also assure edible safe of the fruit.

在果业生产中,就地取材保护利用异色瓢虫,不仅可以有效控制果园蚜虫,而且能够保证人们安全食用果品。

Large catches of alates may be trapped in areas where the aphid population in the field is extremely small.

在蚜群极小的田间可诱捕到较多的有翅蚜。

Because aphids lack a red photoreceptor, it was conjectured that red leaves could even be indiscernable from green ones for these insects.

多雷分析说，植物叶片变红是因为花青素的作用，而变黄是叶绿素分解、叶黄素和胡萝卜素颜色显现造成的。

Heavy rain or hail may dislodge many aphids from the plants.

大雨和冰雹可从植株上击落很多蚜虫。

She pinched the aphids off the rose.

她从玫瑰上抓走蚜虫。

Jiang YX, 1994. The Feeding Behaviour of Cotton Aphid and the Physiological and Biochemical Resistance Mechanism of Cotton to Cotton Aphid. Doctoral Dissertation, Chinese Academy of Agricultural Sciences.

姜永幸,1994.棉蚜的取食行为及棉花抗蚜的生理生化机制。中国农业科学院博士论文。

Not only is it colourful and pretty, but the humble coccinella beetle also preys on garden pests such as aphids and other bugs.

它不仅是色彩和漂亮，但谦虚七星甲虫的花园也捕食害虫如蚜虫和其他错误。

Effect of Avater and Imidacloprid mixture on vegetable aphid and Plutella xylostella L.

安打与吡虫啉混配对蔬菜蚜虫和小菜蛾的防治效果。

It can be used as best insecticide to control Pieris rapae (L.)，Plutella xglostella (L.) and vegetable aphids.

室内测定还表明，该药剂对菜青虫、菜蚜和小菜蛾均具有较强的毒杀作用。

The control insecticide of 40% omethoate EC displayed poor field control efficacy, suggesting that wheat aphids had produced resistance to this insecticide.

对照药剂40%氧乐果乳油的田间防效较差，麦蚜已对其产生了较高的抗性。

Aphid contamination should be avoided through carefully checking in a vector transferring cage with extra light.

对饲养过程中混杂的小麦蚜虫，应在移虫箱内利用灰飞虱的趋光特性及时进行人工精心挑选去除。

After igniting mosquito-repellent incense, hang on wormy plant, plastic film seals reoccupy plant and flowerpot, after 1 hour, all aphid, red spider, powdery cootie is eliminated completely.

将蚊香点燃后挂于有虫的植株上，再用塑料膜封住植株及花盆，1小时后，所有的蚜虫，红蜘蛛，粉虱全被消灭。

The natural enemy resources are rich in Huanxian County,Ganshu Province.Among them, more than 30 species are dominant natural enemies of wheat aphids.

小麦蚜虫天敌资源丰富，其优势天敌在甘肃环县有30余种。

Aphids belonging to the order Homoptera is one the most important pests in wheat production.

属于同翅目害虫的蚜虫是小麦生产中的重要害虫之一。

This will vary with the local or total number of virus sources, but also with the efficiency as a vector of the prevalent aphid clones.

带毒蚜的多少因地区或因毒源总数而异，但也与优势蚜群传毒力有关。

Among the most destructive enemies of the apple orchard are the codling moth, various species of mites, the woolly aphid, the apple maggot, the red-banded leaf roller, and scale insects.

庄稼损伤在苹果树的最破坏性的敌人之中是小蜘蛛的苹果蠹蛾、各种各样的种类，绵蚜、苹果蛆、红色被结合的捲叶蛾和介壳虫。

Preliminary report on using different proportion of Harmonia axyridis to control aphid on the Organic vegetable colorful capsicum.

异色瓢虫不同比例防治有机蔬菜彩椒蚜虫试验初报

Adult lady beetles can eat fifty aphids a day.

成年瓢虫一天能吃掉50只蚜虫。

I bound the base of the tree with sticky tape, making it impossible for the ants to reach the aphids.

我用粘胶带缠在树干底部，使蚂蚁爬不到蚜虫那儿。

A Preliminary Study on Fruit Quality of Transgenic and Aphid Resisting Lycium barbarum L.

抗蚜虫转基因枸杞果实质量初步研究。

Rachid Hanna advises farmers to use biological controls such as natural enemies of the aphids.

拉齐德汉纳建议农民们采用诸如引入蛀虫天敌的生物控制方法。

The aphids with virus released virus on the first plant as much as possible when they were in hunger to make sure that the virus can be transmitted.

携带病毒的蚜虫饥饿时会足量地释放在首先接触的植株上以保证病毒能够被传播。

Making method and skill of glass specimen of aphid were introduced.

摘要介绍了蚜虫玻片标本的制作方法与技巧。

The harm of aphids and the related aphid-spread virus disease on strawberry production and main prevention and control measures were summarized.

摘要综述了蚜虫及相关蚜传病毒病对草莓生产的危害、主要防治措施，重点论述了育种技术对草莓病毒病及蚜虫防治的研究进展。

As a large group of Hemiptera, aphids are distributed worldwide, and most of them are pests.

摘要蚜虫是半翅目中一类体型较小的昆虫，广布于世界各地，其中绝大部分是农林害虫。

The time and space niche breadths of wheat aphids and their natural enemies were estimated during the middle and late growing stage of wheat.

摘要调查分析了麦田中后期2种麦蚜及其天敌的时间和空间生态位。

In the paper, the feasibility and importance of further studies on the olfaction signal transduction of wheat aphids were discussed.

文章还就麦蚜嗅觉信号转导途径研究的可行性及意义进行了讨论。

Insect experts say they came to feast on the natural 'larder' of aphids, a plant-eating insect which also came in search of food.

昆虫专家说 ， 他们来到节日的自然' larder '的蚜虫，植物也吃昆虫来寻找食物。

Insects such as aphids carry viruses from plants to plants as they feed, and mites and nematodes can also carry disease.

昆虫中的蚜虫在摄食时可以将所携带的病毒从一个植物体传播到另一个植物体，类似的还有老鼠和线虫等也可以携带病毒。

But the growth of aphids was affected by following 10 AA: Met, Gln, Ser, Asn, Arg, Pro, MgCl2.6H2O, Gly, Glu, cholesterin.

明确了对蚜虫成虫生长影响最大的十种因子即：蛋氨酸、谷氨酰胺、丝氨酸、天冬酰胺、精氨酸、脯氨酸、MgCl2.6H2O、甘氨酸、谷氨酸、胆固醇。

The reproduction of aphids was influenced more severely by following 10 AA: Met, Gln, Pro, Asn, Glu, Lys, Arg, MgCl2.6H2O, Ser, Cyss.

明确了对蚜虫成虫繁殖影响最大的十种因子即：蛋氨酸、谷氨酰胺、脯氨酸、天冬酰胺、谷氨酸、赖氨酸、精氨酸、MgCl2.6H2O、丝氨酸、胱氨酸。

Finally, the main existing problems in the research of strawberry resistance to aphids and the related aphid-spread virus disease were discussed.And the foreground was predicted.

最后，对草莓抗蚜虫及相关蚜传病毒病研究中存在的主要问题进行了讨论，并对其前景进行了展望。

Under the vec or aphid species transmitted SMV is late 83-02 by singe alate form with optimal acquisition time, the transmissi-n efficiency of A. cra-cciv ra was the highest: 58.33%, M. persicae. 47.66%, A.

最适得毒时间的传毒效率豆蚜最高58.33%、桃蚜47.66%,大豆蚜33.33%、茄无网蚜23.73%、玉米蚜12.90%、棉蚜最低4.29%。

Some ants are storing something called aphid insects, they were aphid body of a sugary substance taken as food, which with human milk from cows who are very similar way.

有些蚂蚁则贮存一种叫蚜虫的昆虫，它们人蚜虫体内抽取一种含糖的物质作为食物，这同人类从母牛身上挤奶的方式非常相似。

Certain aphids seem to prefer waxy leaves, whereas other species are repelled by them.

有些蚜虫，看来喜欢有蜡质的叶片，而这种叶片对另一些蚜虫却有拒避作用。

This paper deals with the diversity of galls of Pemphigidae aphids from 4 aspects: the diversity of hosts, gall type, gall position and gall morphology and structure.

本文在已有标本采集记录和资料的基础上,从形成虫瘿的寄主植物、虫瘿的类型、虫瘿着生的部位和虫瘿的形态结构4方面对瘿绵蚜的虫瘿多样性进行了系统研究。

The efficacy experiment of five insecticides against aphids was done in the cotton field.

本文对五种杀虫剂在本地区气候环境下防治棉蚜的药效进行了试验。

This text, on doing a survey in preventing and curing cotton aphid of source pesticide of plant.

本文就植物源农药的在防治棉蚜方面做一综述。

So, though the aphid has much favorite to hybrid wheat varieties and antibiosis of the wheat varieties on aphid is weak, but they have very good tolerance, so they get higher yield.

杂种小麦对蚜虫的抗生性虽较弱，但耐害性极强，从而以强耐害性获得高产。若在育种中加强抗生性指标和不选择性指标的选择，杂种小麦的产量可能还会上一个台阶。

Population fluctuation of aphids on crucifer vegetables in Hangzhou suburbs.

杭州郊区菜蚜种群的数量消长规律。