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紫茎泽兰是一种有毒的，侵占性很强的检疫性杂草。Epatorium adenophorum Spreng is a poisonous, aggressive quarantine weed.

泽兰是这个国家在宽阔的韦斯特谢尔德河口以南的唯一一块领土。Zeeland is the only part of that country south of the gaping Westerschelde estuary.

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结果表明泽兰植株水提液对玉米幼苗根系具强烈的抑制作用。The results showed that the maceration extract inhibited the growth of maize seedlings.

毒性紫茎泽兰经预处理并沼气发酵后，能制成饲料。Toxicant eupatorium adenophorum spreng can be used as a feedstuff after methane fermented.

粉绿茎泽兰有调理生殖系统和治疗前列腺发炎的作用。Gravel Root tones the reproductive tract and is used to treat inflammation of the prostate.

最后，对紫茎泽兰的空间分布格局进行了模拟和预测。Finally, we simulated and predicted the spatial distribution pattern of this invasive plant.

目的研究紫荆泽兰挥发油的化学成分。Objective To investigate the chemical constituents of essential oil in Eupatorium adenophorum.

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结论紫荆泽兰挥发油的主要化学成分为萜类化合物。Conclusion The major chemical constituents of essential oil in Eupatorium adenophorum are terpenes.

但在各种施肥水平下，黑麦草的竞争力仍然明显强于紫茎泽兰。However, L. perenne was more competitive than E. adenophorum under any treatments of fertilization.

杰希站起来又向四周看了看，然后走过干枯的地肤叶和紫泽兰。Jesse got up and looked around again before walking through the withered broomsedge and joe-pye weed.

建立了高效液相色谱法测定泽兰药材及泽桂癃爽胶囊中熊果酸的含量。HPLC method for the determination of ursolic acid in Herba Lycopi and in Zegui Longshuang capsules was established.

紫茎泽兰化学成分的生物活性主要表现为杀虫、抑菌和对其它植物的化感作用等。The bioactivities of chemical compositions in E. adenophorum were regarded as insecticidal, antifungal and allelopathic.

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研究了紫茎泽兰预处后沼气连续发酵的产气潜力。This paper reports for the experimental study of continuous methane fermentation by using Eupatorium adenophorum Spreng.

选择一些生长速度快、具有一定经济价值的植物种类，替代控制紫茎泽兰，是一条具有潜力的治理途径。The replacement control, controlling the weed by other competitive and economic grasses was thought to be most hopeful way.

紫茎泽兰具有很强的化感作用，能分泌化感物质抑制周围植物的生长。E. adenophorum have strong allelopathy, and can product the allelopathic substances to inhabit the peripheral plants' growth.

紫茎泽兰是我国最具入侵性的外来杂草之一，现已在西南大部分地区造成危害。Crofton weed, Ageratina adenophora, is one of the worst invasive weeds in China, has invaded a large areas of southwestern China.

牧草替代种植是紫茎泽兰严重危害地区草地生态恢复的有效途径。One effective way to renew the ecological environment degenerated by E. adenophorum weed is to plant pasture to replace the weed.

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由此可见，紫茎泽兰对金毛狗的孢子萌发和配子体发育具有化感作用。It is concluded that E. adenophorum has allelopathic effects on the spore germination and gametophyte development of C. ba rometz.

综合分析，鸭茅与多年生黑麦草均能形成较高的遮光率从而有效控制紫茎泽兰。The tiller number and the number of Crofton weed seedlings in the F. arundinacea community were significantly less than those in control.

外来入侵植物紫茎泽兰目前广泛分布于我国西南地区，给当地草地畜牧业带来极大危害。Eupatorium adenophorum, originated from Mexico, and has now spread and become a noxious invasive weed of pasture all over the southwest of China.