Davidia involucrata

  • 网络珙桐
Davidia involucrataDavidia involucrata
  1. Studies on seed characteristics of endangered plant Davidia involucrata in different collection period

    珍稀濒危植物珙桐不同采收期的种子特性研究

  2. Study on Genetic Diversity of RAPD Mark for Natural Davidia involucrata Population

    天然珙桐群体的RAPD标记遗传多样性研究

  3. A study on the water condition of seedings in Davidia involucrata

    珙桐苗期水分状况的研究

  4. Study on the Anatomic Structure of Seed of Davidia Involucrata

    珙桐种子的解剖研究

  5. Study on Extraction Process and Antioxidant Property of Extract of Davidia Involucrata Baill Leaves

    珙桐叶有效成分的提取及其抗氧化性能的研究

  6. Analysis of Quercetin in Davidia involucrata in the Different Areas in Sichuan Province by HPLC

    HPLC分析四川不同产地珙桐叶槲皮素的含量

  7. Embryo Germination and Rapid Propagation of Rare and Endangered Plant Davidia involucrata

    珍稀濒危植物珙桐胚的萌发与快速繁殖

  8. The geographical distribution and the constitution of plant community of Davidia involucrata in Gansu Province

    甘肃省珙桐的地理分布及群落组成

  9. Davidia involucrata Baill is one of the world famous ornamental plants .

    珙桐是世界著名观赏植物。

  10. Davidia involucrata is the first class national protective keystone plant in the rare dangerous plants .

    珙桐(Davidiainvolucrata)为国家一级重点保护的珍稀濒危植物。

  11. The study of edge-effect of Davidia involucrata nitrogen status with FTIR

    利用红外光谱分析珙桐幼树氮素状况的边缘效应

  12. Population Patterns and Dynamics of Davidia involucrata Community 's Dominant Species in Wen County of Gansu

    甘肃文县珙桐群落优势种种群分布格局及动态变化趋势

  13. Numerical analysis on interspecific relationships in Davidia involucrata community in Sanjiang Wolong Nature Reserve

    卧龙自然保护区三江珙桐群落种间关系的数量分析

  14. Influence of climate changes on geographical distribution of Davidia involucrata , the precious and endangered species native to China

    气候变化对我国珍稀濒危树种&珙桐地理分布的影响研究

  15. A Preliminary Study of the Mating System of the Rare and Endangered Plant Species , Davidia involucrata Baill

    珍稀濒危植物珙桐繁育系统的初步研究

  16. Cloning and Analyzing of Bract Differentially Expressed Genes of Davidia Involucrata Baill

    珍稀濒危植物珙桐(Davidiainvolucrata)苞片差异表达基因的克隆与分析

  17. Based on the observation on young tree growth of Davidia involucrata Baill and planting experiment , plantation techniques were summarized .

    根据观察研究结果描述了珙桐幼树的生长特性,结合试验结果总结了珙桐的山地造林技术。

  18. Comparison on the Anatomical Structure of Secondary Xylem in Stem Between Davidia involucrata and Camptotheca acuminata

    珙桐与喜树茎次生木质部解剖构造的比较

  19. Construction of cDNA Library and Analysis of the Expressed Sequenced Tags ( ESTs ) Characteristics of Dormant Seeds of Davidia involucrata

    休眠期珙桐种子cDNA文库构建及EST分析

  20. Intraspecific and Interspecific Competition in Davidia involucrata ( Davidiaceae ) Community

    珙桐群落种内与种间竞争研究

  21. The thesis described the study on the chemical constituents and their bioactivity of two kinds of plants , Davidia involucrata Baill and Ligustrum sinense .

    本论文对珙桐和女贞小腊两种植物的化学成分进行了研究。

  22. A unique developmental aspect involved in the life cycle of Davidia involucrata Baill . is the formation of two or three large-sized attractive white bracts surrounding a relatively small-sized capitulum .

    珙桐生活史中较独特的发育事件是其较小的头状花序下形成的2~3个大型苞片。

  23. The results showed that the competition intensity in Davidia involucrata decreased gradually with the increasing of forest tree diameter class and the intraspecific competition in Davidia involucrata was more intensive than interspecific competition .

    结果表明珙桐受到的竞争强度随着林木径级的增大而逐渐减小,珙桐种内竞争较之与其伴生树种间的竞争剧烈;

  24. Davidia involucrata is a species that is specially distributed in China and belongs to Davidia and Nyssaceae . It has epibiotic origin and is relic species from tertiary palae-tropical flora .

    珙桐(Davidiainvolucrata)是我国特有的珙桐科珙桐属植物,起源古老,为第三纪古热带植物区系的孑遗种。