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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。

After testing the mechanical property of elytron with nanoindentation, the experiment result shows that values of Cybister tripunctatus's elytron chitin are higher than the average values, and the mechanical property of different testing areas are dissimilar.

在对多种甲虫鞘翅运用纳米压痕仪进行力学性能测试后,发现东方龙虱鞘翅壳质层的力学性能数值要大于总体的平均值,而且同一甲虫鞘翅的不同测试区的力学性能也存在差异。

About 2/3 of adaxial angle of nutlets affixed to gynobase; gynobase longer than nutlets

附着到雌蕊基的大约小坚果的正面的有棱的2/3;雌蕊基长于小坚果 25 Lappula ramulosa 多枝鹤虱

Spatial distribution pattern of larvae of Aleurocanthus spiniferus in citus garden was studied by means of some distribution parameters such as mean crowding, David and Moor's clustering index, index of patchiness, proliferation index, the distribution of negative binomial, Iwao's patchiness, the and Taylor's law. The results showed that the spatial distribution pattern of larvae under all densities appeared to be aggregation distribution, which is characterized by individual attraction and predominant individual group such as cored distribution pattern.

通过运用平均拥挤度m、 David和Moor的丛生指数I、聚块性指数mm、扩散指数C、负二项分布K值等多种聚集度指标和Iwao的m-m回归分析法、Taylor幂法则,研究了沙糖桔园柑桔黑刺粉虱若虫的空间分布格局,结果表明该虫在所有密度下均呈聚集分布,个体间相互吸引,分布的基本成分是个体群。

The above results not only fasten the acquaintance of psocid molecular toxicology and enrich the content of evolution and genetic variation,but also contribute to development of molecular diagnostic technique for psocid resistance in field and pave the way for designing new insecticides and develop new strategies for pest management.

研究的内容和结果,不仅在理论上深化了对书虱分子毒理学的研究,充实生物进化及遗传变异的研究内容,在实践上可以为开发害虫抗性分子检测技术、制订延缓抗性发展和抗性治理方案等提供了重要的理论指导。

Many ticks can be persuaded to release their attachment to your corn by dripping rubbing alcohol onto the tick's body.

许多扁虱可以通过滴上酒精擦拭的办法来解除它们在你的玉米身上的附着物,从而达到祛除的效果。

The present investigations show that Bt rice possesses high efficiencies for controling rice stem borer, yellow stem borer and rice leaf roller, and there are no significant differences in growth and development of non-target organisms, such as rice planthoppers, leafhoppers and predators, and the stability of arthropod community structure between Bt rice and conventional rice paddy habitats.

现有的研究表明,Bt水稻对二化螟、三化螟和稻纵卷叶螟等主要靶标害虫具有较高的抗性水平,对稻飞虱、叶蝉、捕食性天敌等非靶标生物的生长发育和稻田节肢动物群落的稳定性无明显影响。

Impacts of transgenic rice lines on biological characteristics of Microvrlia horvathi Nymphal duration of Microvrlia horvathi fed with young instar of BPH nymphs feeding on Bt rice after hatching was not significantly different from that feeding on Xiushui 11 control.

七、转基因抗虫水稻对尖钩宽黾蝽生物学特性的影响饲喂转基因水稻或对照品种上饲养的褐飞虱,两种转基因水稻处理组的尖钩宽黾蝽各龄若虫历期和整个若虫期与它们各自的对照都无明显差异。

Major new findings of this study:(1) We developed a cost-effective,efficient,and reliable video recording system for observing and recording the mating behaviour of whitefly on live plants.With this novel system,a large number of accurate and continuous recordings of courting and mating behaviour of this insect can be made on live plants under more natural condition.

本研究的主要创新之处(1)首次自主设计组装了一套经济可靠的录像观察和记录装置,可连续几天详细记录烟粉虱成虫在活体植物上较自然状态下的求偶和交配行为。

Cypermethrin EC in indoor spiral whitefly adults in the trial, the pharmaceutical effect on the adult is very clear that the vast majority of adult unusual excitement, numbness, beat the performance of several other pharmaceutical control of the maximum In more than 80%.

成虫室内药效作用结果表明:4.5%高效氯氰菊酯在室内用于螺旋粉虱成虫试验中,其药剂对成虫的作用效果非常明显,绝大多数成虫出现异常兴奋、麻痹、击倒的效能,其它几个药剂的最高防治作用在80%以上。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力