If you have either, you're paying to keep the soybean aphid away from the crop that feeds cattle and pigs.
如果你有二者之一，你要为防止大豆蚜虫侵害饲养牛和猪的作物而买单。
So can the movement of aphids when, having depleted the young leaves on one food plant, their offspring then fly onward to a different host plant, with no one aphid ever returning to where it started.
蚜虫的运动也是如此，当吃完一株食用植物的幼叶，它们的后代会飞到另一株宿主植物上，没有蚜虫会再回到最初的地方。
Surely you've heard about the Aphid Genome Project.
你一定听说过的蚜虫基因组计划。
The reproduction rate of the aphid is influenced by nutrition.
蚜虫的繁殖率受到营养的影响。
The aphid is now laying waste to the wheat and barley fields.
蚜虫正在毁掉一片片的小麦和大麦田地。
The aphid colonies grow inside galls, abnormal outgrowths on plants.
蚜虫通常群居于植物虫瘿内（由于昆虫产卵寄生引起的异常发育部分）。
It was identified to be Cowpea Aphid-borne Mosaic Virus (CAMV).
根据以上结果，鉴定该分离物为豇豆蚜传花叶病毒(CAMV)。
Making method and skill of glass specimen of aphid were introduced.
介绍了蚜虫玻片标本的制作方法与技巧。
Applying mixed fertilizer can also improve cotton's aphid resistance.
施混合肥也能提高棉株的抗蚜力。
And it's bad for one species to be responsible for aphid control with no backup.
而且，只有一个物种负责蚜虫控制而没有替换物种也很不妙。
Acetamiprid 3% EC provided excellent control of cucumber aphid in field experiments.
田间药效试验表明，3%啶虫脒乳油防治黄瓜蚜虫具有较好的防治效果。
There is adequate variability in plants to breed for resistance to certain aphid vectors.
植物有充分的变异性可用于培育对一些蚜虫介体的抗性。
There are many publications in China and abroad on the progress in aphid alarm pheromones.
国内已有使用蚜虫报警信息素方法的成果发表。
There was high homology of amino acid sequence between the cotton aphid and other insects.
由棉蚜该片段推导的氨基酸序列与其他昆虫的同源性较高。
This paper studies composition and characters of the aphid fauna of Hengduan Mountains Region.
研究了横断山区蚜虫区系的组成和特点。
Nutritive condition is the key factor to influence population and differentiation of the aphid.
营养条件是影响桃瘤头蚜田间数量及分化的关键因素。
Rothamsted Research, home to the Broadbalk experiment, has been tracking aphid infestations for 50 years.
洛桑研究院的Broadbalk实验，五十年来一直在跟踪蚜虫的侵扰。
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。
Experimental studies of tissue culture of winter host plants for the horned aphid are reported with details.
本文报道了倍蚜虫冬寄主藓类植物的组织培养研究。
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。
The mutation from DAG to DTG resulted in low transmission efficiency, even loss of the transmission ability by aphid.
结合前面的序列比对得出结论，DAG基序突变为DTG能使病毒的蚜传活性大大降低，甚至丧失。
Seven-spotted ladybugs are native to Europe but were brought to North America in the mid-1900s to control aphid populations.
七星瓢虫原产欧洲但为了控制蚜虫的数量于1900年期间被引入到北美。
Anyway, Moran sat down at her computer and looked through the aphid genome for the genes that are responsible for carotenoids.
无论你听说过没有，现在，莫兰正坐在她的电脑前，研究蚜虫基因组的资料，查找负责类胡萝卜素的基因。
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。
Reverse transcription polymerase chain reaction technique for the detection of CTV in a single aphid or aphids has been developed.
检测橘蚜携带CTV的分子生物学反转录-聚合酶链式反应技术已建立，并已应用于检测橘蚜等蚜虫的单虫带毒情况。
The temperature is an important factor affecting on the population dynamics of asparagus aphid Brachycorynella asparagi Mordvolki.
温度是影响芦笋小管蚜种群的主要因素之一。
The result was as follows: (1) The year trend of cotton aphid intimidated by natural enemy is pictured with a three cubed polynomial.
研究结果认为：(1)天敌胁迫下的棉蚜的年趋势可以用一个三次多项式来拟合。
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。
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。
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