Betula相关论文
The effects of different climatic conditions on growth and chemical composition of Betula pendula in geographically diff......
Differentially expressed transcripts in late development of mutant male inflorescences associate wit
Molecular unisexual floral mechanism researches in tree species can complement and contribute to floral development ......
Betula platyphylla is a native tree species in northern China that has high economic and medicinal value.We developed an......
桦木属(Betula)的树木,为落叶乔木或灌木,生长较快,全世界约有40种,主要分布于北半球。我国有22种,分布广泛。陕西有6种,即红桦、......
白桦(Betula Platypllylla Sukatschev)是桦木科桦木属的落叶乔木。耐瘠薄,寒冷,喜光,适应酸性土壤,生长迅速,能萌芽更新。术材纹......
岳桦属堪察加、乌苏里植物区系植物。在我国主要分布于东北林区,内蒙古乌达盟巴林石旗。在国外苏联、朝鲜和日本均有分布,而且在......
光皮桦(Betula luminifera winkl)的种子细小(小坚果),具浅休眠特性,属需光性萌发种子。现将1986年对该种子的休眠和萌发特性的研......
红松生长与光照关系十分密切,光在影响红松生长诸因子中起重要作用。为进一步探讨红松生长与光的关系,做了在不同光照条件下,10年......
引言桦树在芬兰的林木育种中是一个令人观注的典型树种。由于它的优良的生物学特性,在天然林中有大量的实生苗和充足的花絮.在温......
垂枝桦亦称加拿大黄桦(Betula pendulaRoth)广泛分布于整个欧洲北部和亚州西部。在英国往往与其它树种混交.西部和南部与橡树混交......
学名期贡Abelmosehu,e,eulentu,(L.)Moene五 ……,.···……。‘,…,…‘二。。…。二。.……2一24人b住ti10n宝nd介um丫L.)G Do......
亮叶桦(Betula Luminifera H·Winkl.)隶桦木科桦木属,落叶乔木,为我国亚热带优良速生用材树种。本省皖南和大别山区海拔1000m以......
采用ISSR标记技术,对8种桦树(Betula)进行了亲缘关系的分析,17个ISSR引物共检测到236个位点,多态条带比率(PPB)在5.93%～19.92%之间,......
测定了3年生白桦的光合与呼吸作用对温度,湿度以及CO2浓度的响应;还测定了光补偿点,光饱和点和CO2补偿点。结果表明:在目前的空气C......
Tree Productivity and Water Potential Productivity in Returning Farmland to Forest Project in Datong
From 2002 to 2003, based on the investigation of sample plots and stem analysis of remained plantation communities in th......
Palvnological observations on the deposits of Arma dell’Aquila(Finale Ligure, Savona-NorthernItaly). Two soil samples ......
Contribution of Root Respiration to Total Soil Respiration in a Betula ermanii-Dark Coniferous Fores
Total and root-severed soil respiration rates for five plots set up 50 m apart in a Betula ermanii Cham.-dark coniferous......
Community structure and regeneration types of Betula dahurica forest in Badaling forest center of Be
Using plant community analysis methods, we analyzed the floristic characteristics, species composition, community struct......
Calli have been widely used as research materials for clonal propagation and transformation of trees owing to their high......
Typical plants and soils of four elevation zones, mountain tundra (Zone A), Betula ermanii forest (Zone B), mountain dar......
Dynamics and Relationships of Ca,Mg,Fe in Litter,Soil Fauna and Soil in Pinus koraiensis-Broadleaf M
The Liangshui Natural Reserve in Heilongjiang Province of China was selected as the study area. The authors collected th......
Soil samples were taken from an Ermans birch(Betula ermanii)-dark coniferous forest(Picea jezoensis and Abies nephrolepi......
53 pollen traps and surface samples were collected in order to detect the characteristics of pollen assemblages and thei......
Expressed sequence tags(ESTs) are generated from single-pass sequencing of randomly picked cDNA clones and can be used f......
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Factor analysis and expert scoring methods were used to rank flammability of 16 major species of trees and shrubs in Dax......
A new caffeoylquiniclactone, named neochlorgeniclatone, was isolated from the leaves of Betula platyphylla Suk. The str......
A new monoterpene glucoside, (2E,6Z)-2,6-dimethyl-8-(-D-glucosyloxy-2,6-octadien- oic acid, was isolated from the leaves......
通过总结中国不同区域现有的孢粉资料 ,发现第四纪孢粉植物群的演化序列中明显地存在与演化趋势和周期不符的孢粉植物群事件。归纳......
A 2.4-m-long core was extracted from Diaojiao Lake (41?8′N, 112?1′E) at the foot of the northern part of Daqingshan Mt......
Birch(Betula)trees and forests are widely distributed across much of the temperate and boreal zones of the Northern Hemi......
Analysis of three types of triterpenoids in tetraploid white birches(Betula platyphylla Suk.) and se
Betulin, oleanolic acid, and betulinic acid are naturally occurring pentacyclic triterpenoids that have significant medi......
Distribution Patterns and Associations of Dominant Tree Species in a Mixed Coniferous-Broadleaf Fore
In 2012 a plot was established with 1-ha area in a mixed coniferous-broadleaf forest in the Changbai Mountains, northeas......
以沈阳市2个主要树种白桦(Betula platyphylla)、银中杨(Populus alba×P.berolinensi)1年生植株为对象,利用开顶箱(OTCs)模拟法,......
Genetic Effect Analysis of Quantitative Traits and Selection of Excellent Population in Betula platy
Betula platyphylla var. mandshurica Hara. is a geographical variant of B. platyphylla Suk. with strong adaptability,rapi......
本文建立了白桦(Betula platyphylla)悬浮细胞中S-亚硝基硫醇含量分析的比色法及荧光检测法。其中,比色法采用偶氮化反应;荧光检测......
本研究克隆了白桦(Betula platyphylla)UVR8基因,命名为BpUVR8(Gen Bank:AHY02156)。生物信息学分析表明该基因全长1 326 bp,编码4......
随着科学技术深入发展,转基因技术已经成为林木定向遗传改良的重要途径之一,林木基因工程也随着转基因技术的成熟而步入快速发展时......
Topography and human disturbances are major controlling factors in treeline pattern at Barun and Man
The alpine treeline ecotone is an important component of mountain ecosystems of the Nepal Himalaya; it plays a vital rol......
Woody debris(WD) is an important par of natural Pinus tabulaeformis mixed stands, and i affects the forest ecosystem sta......
Determining the influences of environmental factors on seedling growth and leaf color may improve our understanding of t......
Transformation of Carbon and Nitrogen by Earthworms in the Decomposition Processes of Broad-leaved L
Earthworms are the important constituents in the decayed food web and the main ecological conditioners in the process of......
1Betula项目简介大型纵向区组研究─—BetulalongitudinalProspectivecohortresearchonmemory，healthandagins─—自1988年开始。该......
文献报道垂枝桦(Betula pendula)叶的乙醇提取物具有溶血作用,其活性成分为皂甙。本文从垂枝桦叶中分离出3种溶血的活性成分达玛......
