ragweed

To suppress the spread of the ragweed, there have been a lot of studies on their chemical control, physical control, plant displacement and biological control.

为抑制其种群蔓延，前人开展了化学防治、物理防治、植物替代和生物防治等对豚草的防控研究。

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allergic rhinitis model induced by ragweed pollen allergen in guinea pig

豚草花粉变应原致过敏性鼻炎豚鼠模型的建立

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The ragweed Ambrosia artemisiifolia, an alien invasive weed, can profoundly influence natural ecosystems, agriculture, and human health.

豚草作为一种外来入侵杂草，严重影响着生态环境、农业生产以及人类健康。

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for 75 percent of those 35 million, ragweed is the primary allergen, he added.

对于这35,000,000人的75%来说，豚草是首要过敏原，他补充道。

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TOLAMBA is designed to target the underlying cause of seasonal allergic rhinitis caused by ragweed.

TOLAMBA是针对由豕草引起的季节性变应性鼻炎的根本原因设计的.

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According to this system, the risk value for giant ragweed was 83 and it was considered as a quarantine pest with high risk.

应用该体系对三裂叶豚草进行了风险评估，得出其风险值为83，属高度危险的检疫性有害生物。

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It meant crossing a broad field of ragweed, breathing heavily as the two of us lugged the canoe, heavy with its layers of paint.

这意味着要越过宽阔的豚草区；我们两个小伙子气喘吁吁地拖着有很沉涂料层的独木舟。

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Quick dissolving tablets Temporarily relieves the runny eyes and nose symptoms of allergy from pollen, ragweed, grasses, mold and animal dander.

速溶片暂时缓解了不停地流泪，豚草的花粉和鼻子过敏症状，草，霉菌，动物皮屑。

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Ragweed ( Ambrosia artemisiifolia), which is recognized as a kind of malignant invasion weed, and it has been spreading in the world. It could make enormous threat on the ecological safety, development of agriculture and human health in the invaded areas.

豚草是世界性恶性入侵杂草，在世界各地广泛蔓延传播，对入侵地的生态安全、农牧业生产及人类健康构成巨大威胁。

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the first year's weeds on the michigan plot are annual flowering plants, followed by tougher perennials like crabgrass and ragweed.

密歇根土地上第一年的种子是每年都开花的植物，接着被更坚韧的像沙果草和豚草取代，灌木成荫压倒了花丛。

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Ragweeds reduced the individual number and community diversity of soil insects. According to the results of monthly ANOVA and LSD, in August and September the individual number and diversity indices of soil insects in the control plot without ragweeds were significantly higher than those in ragweed plots.

豚草降低了土壤昆虫的个体数量和群落多样性，根据逐月方差分析和多重比较，8月和9月对照样地土壤昆虫个体数量和多样性指数均显著高于豚草样地。

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Atopy was defined as a positive skin-prick test to mites, cat, Alternaria, Cladosporium, grass, birch, Parietaria, olive, or ragweed.

特应性定义为对螨类、链格孢属、分子孢子菌属、草、桦木、墙草属、橄榄或豚草属皮肤划痕实验阳性。

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Patients who demonstrated to severe rhinitis symptoms upon exposure to ragweed were admitted to the study.

暴露于豕草而激发严重鼻炎症状并证实得到缓解的患者加入该研究.

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studies on cytomorphology of common ragweed stamen abortion induced by ethrel

乙烯利诱导豚草雄蕊败育的细胞形态学观察

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