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- An elm tree(Ulmus alata) of the southeast United States,having twigs with winged,corky edges. 翅榆一种美国东南部榆树(翼枝长序榆榆属),具有有翼和软木质的小枝
- An elm tree(Ulmus alata) of the southeast United States, having twigs with winged, corky edges. 翅榆一种美国东南部榆树(翼枝长序榆榆属),具有有翼和软木质的小枝
- Ulmus alata 翼枝长序榆
- Technology of Grafting Ulmus pumila var, pendula Rehd. 垂榆嫁接技术。
- Don) Sch.-Bip. [Erigeron alatum D.Don;Blumea alata (D. 拉丁植物动物矿物名:Laggera alata (D.
- Experiment on Grafting and Planting of Ulmus pumila var. Pendula Rehd. 垂榆嫁接及栽植的试验研究。
- A Preliminary Study on the Mathematic Model of Leaf Area of Ulmus pumila Linn. 与相似的文献。
- Nepenthes alata Blanco is a tropical insectivorous plant with pitchers which can catches and digests insects. 摘要猪笼草为热带食虫植物,其叶先端中脉变形为捕虫袋,能捕获昆虫将之消化。
- Biophysical and biochemical indexes correlating with the browning of different parts of yams(Dioscorea alata L. 研究了薯蓣贮藏期间不同部位褐变相关的生理生化差异。
- Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn. 白榆优树表型测定的遗传学初步分析。
- A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn. 银白杨与白榆远缘杂交的研究。
- When Urochela quadrinotata Reuter harms Ulmus pumila,the spread of disease will take a turn for the worse. 红足壮异蝽的危害能加重病害的流行和扩展。
- Otherwise, the phenology phases of ulmus pumila are not significantly related to precipitation and sunshine duration. 研究表明,榆树物候与降水、日照关系不显著。
- Title: Effect of salt stress on activity of superoxide dismutase (SOD) in Ulmus pumila L. 关键词:白榆;盐胁迫;电解质相对外渗率;超氧物歧化酶
- The main plant are Ulmus pumila and Celtis bengeana community, Acer mono and Quercus mongolica community. 天然残存林植被,主要为榆树、小叶朴群落和色木、蒙古柞群落。
- Title: Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn. 关键词:白榆;优树;遗传参数;通径分析;直接影响;间接影响
- The essential oil from leaf of Laggera pterodonta shows differences with the essential oil from Laggera alata with higher contents of bicyclo hexane,4methylene(16. 从六棱菊臭灵丹和臭灵丹两种鲜叶中分别提取的精油分析表明,其成分和含量不同。
- Ivela ochropoda is one of the main defoliator pest occurred in Ulmus pumila, and is very serious in Wuqi County. 摘要榆毒蛾是榆树的食叶害虫之一,在吴起县发生严重。
- The application of the structure of leaf epidermis in the classiffication of Ulmus. 叶表皮结构在榆属分类中的应用.
- The main plant distribute on moving dune are Aneurolepidium chinense, Cleistogenes chinensis, Arundinella hirta, Ulmus macrocarpa, Rhamnus davuricum. 固定沙丘分布的主要植物为羊草、中华隐子草、野古草,大果榆、鼠李等。