查询词典 aphid

Simian3 and Shiyuan321 as control. It showed that both GK12 and SGK321 had no significant impacts on natural control efficacy of the biological and non-biological death factors of cotton aphids. Except for the factor of natural death and others, predation was the key factor affecting population dynamics of cotton aphid. Rain ranked the second, parasitism by insects and pathogens had weak control efficacy.

与常规棉相比，单，双价抗虫棉对天敌捕食和寄生，病原物，风雨等生物和非生物因素对棉蚜种群的自然控制作用均未产生显著影响；各因素中，除自然死亡及未知因素死亡外，天敌捕食对棉蚜自然种群的控制作用最强，风雨的作用次之，天敌寄生和病原物的作用则较弱。

Nine different aphid-resistant alfalfas and four cross bred F1 were used in this experiment to investigate better dosage in SSR technique system and to seek the best combination among factors.At last,the best SSR technique system was established. The Taq DNA polymerase was 0.2μL(5U/μL),the 10×Buffer(Mg2+Plus)was 2.5μL , the dNTP Mixture was 2μL ( 2.5mmol/L), the primer was 1.5μL (10μmol/L),the template DNA was 1μL,the ddH2O was 16.3μL ,and the whole system was 25μL.

以九个不同抗蚜级别的苜蓿品种及四个杂交F1代为试材，摸索SSR反应体系中各个影响因素的浓度和用量，确定适合苜蓿抗蚜虫基因定位的SSR反应体系：其中Taq DNA聚合酶0.2μL(5U/μL)，10×Buffer(Mg2+Plus) 2.5μL，dNTP Mixture 2μL (各2.5mM)，引物各1.5μL (10μM)，模板DNA1μL，ddH2O 16.3μL补足25μL。

To enhance the aphid-resistant, gene GNA34 was directly mutagenized to revert 9 of XCGs and XTAs of the least favored codons to preferred codons in dicots without changing amino acid composition.

为了提高所克隆的GNA34基因在双子叶植物中的抗蚜活性，我们对GNA34基因进行了改造。

The aphid eat green grass, the false eats soul.

26-2、蚜虫吃青草，虚伪吃灵魂。

A scientist who bought a fossilised insect on the web auction site eBay for 20 has discovered that it belongs to a previously unknown species of aphid.

一位在易贝网上以20英镑购得一昆虫化石的科学家发现这种昆虫属于此前未知的蚜虫品种。原文

The results from systematic observation from 2006 through 2008, demonstrated that meteorological factors such as wind and rain were essential for population development of english grain aphid.

经过2006～2008年的系统观测结果表明，风雨气象因素对麦长管蚜种群发展具有显著的影响作用，是突出的关键制约因子。

English grain aphid Macrosiphum avenae is the main pest on the ear of wheat during the drought year,which result in decreasing of yield and quality of wheat.

麦长管蚜Macrosiphum avenae是干旱年份小麦穗期的主要害虫，直接引起小麦减产且降低其品质。

Five potato lines were selected for peach aphid resistanceidentification, and the result showed that the effect of insect-resistance was apparent.

通过对转GNA马铃薯进行抗蚜虫鉴定，结果证明转GNA马铃薯对桃蚜具有显著的抗性作用。

On the basis of many times of experiments, A optimized reaction system about the microsatellite PCR amplification and partial COⅠ-Ⅱgene amplification of the green peach aphid was proposed.

在多次实验摸索的基础上，优化了桃蚜微卫星扩增和mtDNA COⅠ-Ⅱ部分序列特异扩增的反应体系。

The results of microsatellite amplification showed that (1) the genetic relationship is closer among the same body colour bio-type individuals of green peach aphid than that between the red and the green bio-type individuals from three kinds of host plants.

微卫星扩增结果表明：(1)来自不同寄主植物上的同一体色生物型个体之间的遗传关系近于不同体色生物型个体之间的遗传关系。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。