查询词典 Eupatorium

Eupatorium adenophorum is one of main invasive plants in China and has caused great economic losses. A study was conducted to determine the biomass allocation, leaf morphology and growth response of E.

紫茎泽兰是我国主要外来入侵植物之一，在我国西南地区迅速传播，引起了巨大的经济损失。

Method］ The main stem height, main stem leaf number and fresh and dry weight of Eupatorium odoratum were measured in different light intensity in the field.

方法］以飞机草为研究对象，在田间测定了不同光照率对其主茎生长高度、主茎叶片数和鲜干重的影响。

ConclusionThe experimental method can optimize the technique well and it also provide an appropriate way to synthetically utilize eupatorium adenophorum spreng.

结论使用响应曲面法能合理的优化紫茎泽兰中黄酮的提取工艺，为紫茎泽兰的综合利用提供参考。

A research platform was constructed for gene cloning and functional analysis in Eupatorium adenophorum in this study to provide a theoretical basis for the all-sided control of this malignant weed through the research in metabolic pathway related to allelochemical. By the study, we try to find out the coding gene of key enzyme which is related with the metabolism of allelochemical and clone some novel genes which can be used in agricultural production.

针对紫茎泽兰基因的克隆和功能分析建立了研究平台，通过开展紫茎泽兰的化感相关的代谢途径的研究，为这种恶性杂草的综合治理提供理论依据，以期能够找到调控化感物质代谢的关键酶的编码基因，发掘一些能够为农业生产所利用的新基因。

Prediction of spatial distribution of Eupatorium adenophorum Sprengel based on GARP model:A case study in Longitudinal Range-Gorge Region of Yunnan Province

利用云南纵向岭谷区紫茎泽兰的分布及其环境因子数据，通过GARP模型预测了紫茎泽兰的潜在入侵区域。

Rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium .

美国东南和西印度的花冠很大的菊科植物，根状茎，亮蓝花色；有时归为泽兰属。

Three sample plots of different habitat were selected in Yunnan and Sichuan to study effects of invasion of Eupatorium adenophorum on content of available nitrogen,available phosphorus and available potassium in soil.

选取云南、四川省3个不同生境作为样地，研究紫茎泽兰入侵对不同生态系统土壤中碱解氮、速效磷、速效钾含量的影响。

Low spreading tropical American shrub with long slender leaves used to make a mildly stimulating drink resembling tea; sometimes placed in genus Eupatorium .

热带美洲的一种矮生而开展的草质状灌木，又窄长的叶，用作象茶似的一种温和刺激性的饮料。

The results showed that allelochemicals of all 10 kinds of donor species have allelopathy on seed germination of Eupatorium adenophorum, and allelopathy increased with the enhancing of concentration.

结果表明：10种供体植物的化感物质对紫茎泽兰种子萌发均存在化感作用，并且随着浓度的升高，化感作用逐步增强，紫茎泽兰种子发芽速度指数比发芽率更为敏感。

The pathogenicity of 19 strains of Alternaria alternata isolated from Eupatorium adenophorum was studied. 5.8S rDNA, ITS1 and ITS2 sequences of 22 strains from crofton weed and other plants were analyzed.

对分离自紫茎泽兰的19个链格孢菌菌株的致病性进行了比较研究，并对这19个菌株和其它来源的3个菌株的5.8S rDNA及其两侧的ITS1区和ITS2区进行了序列分析。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。