نتایج جستجو برای: t pubescens

تعداد نتایج: 704321  

2007
H. Q. Yu Z. H. Jiang C. Y. Hse T. F. Shupe

YU, H. Q., JIANG, Z. H., HSE, C. Y. & SHUPE, T. F. 2008. Selected physical and mechanical properties of moso bamboo (Phyllostachys pubescens). Selected physical and mechanical properties of 4–6 year old moso bamboo (Phyllostachys pubescens) grown in Zhejiang, China were investigated at different vertical and horizontal positions. Two way analysis of variance and Tukey’s mean comparison tests in...

Journal: :Genetics and molecular research : GMR 2011
M B Zhou X M Liu D Q Tang

Phyllostachys pubescens is a woody bamboo with the highest ecological, economic, and cultural values of all bamboos in Asia. There is more genomic data available for P. pubescens than for any other bamboo species, including 2.12-Mb genome survey sequences (GSS) and 11.4-Mb full-length cDNA sequences (FL-cDNAs) currently deposited in GenBank. Analysis of these sequences revealed that trans...

2013
Vanessa Duclos Colin A. Chapman

Logging in tropical forests may create large canopy openings. These gaps provide suitable conditions for some opportunistic shrubs and herbs to take advantage of the surge in resources and rapidly colonize disturbed sites. This dense plant cover may limit forest regeneration by interfering with tree seedling establishment, growth, and survival by altering the light and nutrients available to se...

2016
Jasmin Zohren Nian Wang Igor Kardailsky James S. Borrell Anika Joecker Richard A. Nichols Richard J. A. Buggs

Hybridization may lead to introgression of genes among species. Introgression may be bidirectional or unidirectional, depending on factors such as the demography of the hybridizing species, or the nature of reproductive barriers between them. Previous microsatellite studies suggested bidirectional introgression between diploid Betula nana (dwarf birch) and tetraploid B. pubescens (downy birch) ...

Journal: :فصلنامه علمی پژوهشی گیاهان دارویی 0
h hajimehdipoor food and drug control laboratories and food and drug laboratory research center, moh & me m khanavi department of pharmacognosy, tehran university of medical sciences h zahedi food and drug control laboratories and food and drug laboratory research center, moh & me z abedi food and drug control laboratories and food and drug laboratory research center, moh & me n kalantari khandani food and drug control laboratories and food and drug laboratory research center, moh & me n adib food and drug control laboratories and food and drug laboratory research center, moh & me

background: thymus is a widely used medicinal plant in food and pharmaceutical industries. among different species of thymus, t. vulgaris is used more than other species in therapeutic dosage forms. objective: this study was conducted to differentiate various thymus species by tlc fingerprint. methods: in order to identify and differentiate various species of thymus, tlc fingerprints of essenti...

Journal: :Journal of experimental botany 2006
Roman Zweifel Lukas Zimmermann Fabienne Zeugin David M Newbery

There is a missing link between tree physiological and wood-anatomical knowledge which makes it impossible mechanistically to explain and predict the radial growth of individual trees from climate data. Empirical data of microclimatic factors, intra-annual growth rates, and tree-specific ratios between actual and potential transpiration (T PET(-1)) of trees of three species (Quercus pubescens, ...

2013
Tsai-Wen Hsu Huei-Chuan Shih Chia-Chi Kuo Tzen-Yuh Chiang Yu-Chung Chiang

Poison ivy, Toxicodendron radicans, and poison oaks, T. diversilobum and T. pubescens, are perennial woody species of the Anacardiaceae and are poisonous, containing strong allergens named urushiols that cause allergic contact dermatitis. Poison ivy is a species distributed from North America to East Asia, while T. diversilobum and T. pubescens are distributed in western and eastern North Ameri...

Journal: :Tree physiology 2007
Roberto Tognetti Paolo Cherubini Susanna Marchi Antonio Raschi

We compared the water-use characteristics of co-occurring mature Quercus cerris L. and Quercus pubescens Willd. trees growing in resource-limited (mainly water) hilly habitats in Tuscany, Italy. The species differed in their distribution along soil water gradients and in their access to, and use of, water, even though the study year was wetter than average, though with a summer drought. Compare...

2014
M. R. Razean Haireen R. A. Drew

Papaya (Carica papaya L.) is one of the major tropical fruit crops worldwide, but it is limited throughout its range by papaya ringspot virus type P (PRSV-P). Previous genetic studies identified a functional PRSV-P resistance marker in a mapping population of F2 plants of Vasconcellea pubescens (resistant to PRSV-P) × Vasconcellea parviflora (susceptible to PRSV-P) and showed that the marker ex...

Journal: :Annals of botany 2004
Elena Valkama Juha-Pekka Salminen Julia Koricheva Kalevi Pihlaja

BACKGROUND AND AIMS Changes in number of trichomes and in composition and concentrations of their exudates throughout leaf development may have important consequences for plant adaptation to abiotic and biotic factors. In the present study, seasonal changes in leaf trichomes and epicuticular flavonoid aglycones in three Finnish birch taxa (Betula pendula, B. pubescens ssp. pubescens, and B. pub...

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