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Geminiviruses infecting Ageratum conyzoides and Stachytarpheta jamaicensis were identified with molecular data in this paper.5 virus samples collected from Ageratum conyzoides and Stachytarpheta jamaicensis in Hainan were detected with triple antibody sandwich ELISA and PCR, results showed all the virus samples were infected by whitefly-transmitted geminiviruses.

本研究对侵染胜红蓟和假马鞭的双生病毒进行了分子鉴定,并获得如下结果:利用三抗体夹心ELISA及PCR检测的方法对采自海南的胜红蓟和假马鞭的5个病样进行了检测,表明均为粉虱传双生病毒。

He put the Horse out in a field full of thistles and gave it only a little mouldy hay to eat.

他把马拉到长满蓟的野地里,只给它一点儿发霉的干草吃。

Hastily brushing the thistles from its coat, he laid the leather saddle on its back, pulled the bridle over its mangy ears and heaved himself up.

他匆匆地刷了刷马身上的蓟,放上皮马鞍,往长藓的马耳朵上套上笼头,跨上了马背。

When single herbicide was used in the field for two years, the dominant species took place corresponding alternation. The community structure that originally mostly consisted of dicotyledonous weeds , such as Alopecurus aequalis sobol., etc.

通过连续几年的单一除草剂使用,烟田杂草的优势种群发生了相应变化,原来以看麦娘、马唐、稗草等单子叶杂草为主的群落结构演变成了现在以稗草、马唐及胜红蓟、两栖蓼、茴茴蒜为主的单、双子叶杂草混生结构,说明烟田施用除草剂会引起杂草群落结构变化,因此,在生产上则应注意除草剂的轮换使用。

Compared the sequences of rRNA genes in A. pernyi with that of other insect mtDNA, the 16SrRNA genes are longer except for B. mori and B. mandarina, and equal to A. mellifera; the 12S rRNA genes are shorter except for T. imagines, and equal to H. macropus.

柞蚕线粒体DNA编码的16SrRNA较长,比家蚕和野桑蚕的小,但仅差几个bp,与蜜蜂相近,而长于其他所比较昆虫。12SrRNA则较短,仅长于蓟马,与咬虱相近,而短于其他昆虫。

Is an overseas Chinese students the creation of high-tech companies, with the Agriculture Department of Shandong Province, Shandong Agricultural University, Shandong Provincial Academy of Agricultural Sciences Institute of perennial cotton cooperation, mainly the development of prevention and treatment MIRIDAEó, Trialeurodes vaporariorum, thistle Ma crust mites and other insect pest problems products.

济南好榜样生物科技有限公司是一家海外留学人员创立的高新技术公司,与山东省农业厅,山东农业大学,山东省农科院棉花研究所常年合作,主要开发防治盲蝽蟓,白粉虱,蓟马硬壳虫螨类等疑难虫害的产品。

The polyphagous insect, Frankliniella occidentalis, causes serious damage to economic plants in the world, whereas it is not found on the list of quarantine pests in Taiwan. However, the pest is occasionally found in imported agriculture products.

西方花蓟马 Frankliniella occidentalis (Pergande,简称Fo 为世界性危害严重的农业害虫,尚未在台湾的田野发现,被列为检疫害虫;然而在进口的农作产品上,却常检测出此害虫。

It also has the function of stomach toxic and kills on contact , caterpillar ,vegetable aphid .The product are indicated for treatment of cabbage caterpillar , vegetable aphid sheep nose bot.

具有胃毒及触杀作用,对甘兰上的菜青虫,蚜虫,小菜蛾,红蜘蛛,蓟马,斑潜蝇有杀灭作用。

It was also reported to reduce up to 50%~90% production of clover in Hawaii due to its transmission of the Transmit Tomato Spot Wilt Virus. Our preliminary risk analysis shows that the risk of western flower thrips to crops, fruit trees, greenhouse flowers, and vegetables etc.

根据对其初步风险分析得知:由于西花蓟马在中国存在广泛的适生区,且扩散能力强,危害大,控制可能性小,其给中国农作物,果树、温室花卉、蔬菜等带来严重危害的风险非常大。

The results show that G. ficorum can be killed completely at lower dosage of methyl bromide and in short time under vacuum condition. It provides a new method for treatment of pests in flower.

结果表明,在真空条件下,仅需要较低的熏蒸剂量在较短的时间内即可全部杀死榕树盆景里的榕管蓟马,杀虫效果达100%,达到快速、高效、安全、环保的要求,为花卉害虫的处理提供了一种新的方法。

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Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势,并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。

This dramatic range, steeper than the Himalayas, is the upturned rim of the eastern edge of Tibet, a plateau that has risen to 5 km in response to the slow but un stoppable collision of India with Asia that began about 55 million years ago and which continues unabated today.

这一引人注目的地域范围,比喜马拉雅山更加陡峭,是处于西藏东部边缘的朝上翻的边框地带。响应启始于约5500万年前的、缓慢的但却不可阻挡的印度与亚洲地壳板块碰撞,高原已上升至五千米,这种碰撞持续至今,毫无衰退。