蚜
- 名aphid;aphis
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〔~虫〕昆虫,是农业害虫。亦称“蜜虫”、“腻虫”。
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(蚜虫) aphid; aphis:
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棉蚜
cotton aphid;
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苹果蚜
apple aphid;
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桃蚜
green peach aphid;
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瘿蚜
gall aphid
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紫外条件诱导下麦长管蚜DNA的变异研究
Study on the DNA Mutation of Wheat Aphid under the Ultraviolet
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高粱抗蚜基因的RAPD分析
RAPD analysis of aphid resistance gene on sorghum
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~(14)C-抗蚜威在土壤中的吸附解吸附特性研究
Study on the adsorption-desorption characteristics of 14c-pirimicarb in soils
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用微卫星引物PCR分析棉蚜不同蚜型的DNA多态性
Microsatellite DNA polymorphism in different forms of the cotton aphid
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茉莉酸诱导使枸杞蚜成虫寿命较对照缩短3d左右。
The adult longevity was about 3 days shorter than that of control .
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C(60)/TiO2复合材料的制备及其可见光催化降解抗蚜威的研究
Preparation of C_ ( 60 ) / TiO_2 nanocomposites and its performances of photocatalytic degradation of pirimicarb pesticide
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桃蚜不同蚜型DNA多态性的RAPD研究
RAPD analysis of different forms of the green peach aphid
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与辣椒抗蚜性基因连锁的RAPD标记
A RAPD Marker Linked to Aphid Resistant Gene in Capsicum annuum
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禾谷缢管蚜翅型分化相关基因的cDNA克隆及分析
Isolation and Analysis of cDNA Clones for Genes Related to Wing Differentiation in Rhopalosiphum Padi
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目前对五倍子蚜的分类主要是依据形态学特征、虫瘿形态以及第一寄主植物的不同来进行的研究,基于DNA序列的分子系统发育研究还比较少见。
The current classification system of Rhus gall aphids is mainly depends on morphology of aphids and galls , and their host plants .
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品系鉴定,转基因大豆的抗蚜性达到农学标准抗(R)和高抗(HR)水平;
The resistance to aphids of the transgenic lines was up to R and HR level by agronomy standard .
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马铃薯Y病毒N株系蚜传相关蛋白HC-pro基因的克隆及原核表达
Cloning and Prokaryotic Expression of HC-pro Gene of PVY-N Shanxi Isolate
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五倍子蚜与寄主植物DNA序列系统发育关系及其协同进化膜翅目线粒体基因组的特征与进化及其在系统发育研究中的应用
Molecular Phylogeny and Coevolution of Chinese Gallnut Aphid and Its Host-plant Inferred from DNA Sequences Characterization and Evolution of Hymenopteran Mitochondrial Genomes and Their Phylogenetic Utility
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BP神经网络为烟草蚜传病毒病的预测预报提供了一种新方法。
BP neural network can be used as a new effective method to predict the trend of tobacco virus diseases transmitted by aphids .
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结果表明,植物源杀蚜剂X具有和防治蚜虫常用的氧化乐果、苦参碱等农药相当的效果。
The results indicated that botanical aphicide X had equal or even better effects on prevention of aphids to common pesticide such as flolimat and matrine .
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4种柑橘衰退病毒源单蚜传毒分离株CP基因的分子特征
Molecular characteristics of CP genes of 4 isolates of Citrus tristeza virus and their sub-isolates after single aphid transmission
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在成蚜阶段只能检测到JHⅢ。
Only JH ⅲ was detected at the adult stage .
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大气CO2浓度升高可缩短麦长管蚜的产卵前期和世代历期,提高繁殖量和平均相对生长率。
CO_2 elevation shortened the preoviposition duration and longevity of S.avenae , and increased the number of offspring per female aphid and mean relative growth rate ( MRGR ) .
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利用1980~1998年在山东青州调查的数据资料,结合相关气象因子及烟草蚜传病毒病的病情指数,采用BP神经网络方法建立了烟草蚜传病毒病的预测模型。
Based on data of meteorological factors and tobacco virus diseases transmitted by aphids from 1980 to 1998 in Qingzhou of Shandong province prediction models were established by means of BP neural network .
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不同小麦品种(材料)的抗蚜性及抗性部位的EPG定位
Different Wheat Varieties ( Source ) Resistance to Aphids and Resistant Parts Ascertained Use EPG
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用室内生测和刺探电位仪(EPG)研究了亚麻荠对蚜虫取食的影响。在取食选择实验中,在有选择的情况下,甘蓝蚜更趋向于在甘蓝上栖息和取食;
Cabbage aphids prefer resting and feeding on leaves of cabbage to false flax in feeding choice test .
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多数若蚜不取食只能存活2~4d,极少数可存活14d。
Most of nymphs can live in 2 ~ 4 days without food , a few can live 14 days .
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根据以上结果,鉴定该分离物为豇豆蚜传花叶病毒(CAMV)。
It was identified to be Cowpea Aphid-borne Mosaic Virus ( CAMV ) .
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在没有选择的情况,接虫的第1天(24h),栖息在甘蓝叶片上的甘蓝蚜数量要高于亚麻荠,两者相比差异显著;
In no-choice test , the number of cabbage aphids resting on cabbage leaves was significant higher than that resting on false flax leaves after 24 hours .
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华北地区大豆蚜(Aphisglycines)的种群动态和主要天敌控制能力的研究
Studies on the Population Dynamics of Aphis Glycines and Controlling Effect of Its Dominant Natural Enemies in Northern China
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结果表明,85-32为抗(R)大豆蚜虫,而85-39、85-1为感蚜材料(S),抗级与栽培大豆吉林35无明显差异。
The results indicated that 85-32 was resistant to the soybean aphids , but the aphid resistant ability of 85-39 and 85-1 was similar to that of cultivated soybean ( Jilin No.35 ) and no significant difference was found .
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以上结果表明,ACA基因是一个有效的抗蚜基因,在作物抗蚜分子育种中具有应用价值。
These results indicate that ACA gene should be an effective aphid-resistant gene and could be valuable for application in crop breeding for aphid resistance .
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麦二叉蚜、麦长管蚜传播小麦黄矮病毒病株系GPV、GAV的生物学特性测定
Determination on biology of strains of GPV and GAV transmitted by greenbug and English grain aphid
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为了在有限的时间内证明ACA基因的抗蚜效果,本实验在将ACA基因转入甜瓜的同时将其转入了模式植物烟草。
In order to get a quick understanding of the function of ACA gene in insect resistance in plants , ACA gene was transformed into tobacco plant simultaneously .
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棉蚜AphisgossypiiGlover种群分化的分子遗传标记研究及性蚜的诱导
Molecular genetics studies of cotton aphid , Aphis gossypii glover ( homotera : aphididae ) on population differentiation and artificial induction of SEXUALES