نتایج جستجو برای: branch height

تعداد نتایج: 179403  

Journal: :Tree physiology 1997
D A King

Aboveground biomass allocation, and height and branch growth were studied in saplings of the shade-tolerant conifer, Abies amabilis Dougl. ex Forbes growing in large openings and in the understory of an old-growth forest in western Oregon. The presence of annual overwintering budscale scars was used to infer extension growth histories; annual growth rings in branches and stems were used in comb...

2016
Carlos J.L. Mendes Rodrigo A. Silva Daniel P.A. Neto Isabela Brianti Kassem Saleh Mirna D. Barros Sergio Roll Adhemar M. Pacheco

Lichtenstein technique requires identification of the iliohypogastric, ilioinguinal, and genital branch of the genitofemoral nerves.The aim of the study was to verify if the transverse incision is suitable for identification of the iliohypogastric, ilioinguinal, and genital branch of the genitofemoral nerves.This study included 29 patients who underwent hernioplasty, and also 10 dissections of ...

Journal: :Environmental pollution 2006
J P Bennett E A Jepsen J A Roth

Higher ozone concentrations east of southern Lake Michigan compared to west of the lake were used to test hypotheses about injury and growth effects on two plant species. We measured approximately 1000 black cherry trees and over 3000 milkweed stems from 1999 to 2001 for this purpose. Black cherry branch elongation and milkweed growth and pod formation were significantly higher west of Lake Mic...

2013
Hui Fu Guixiang Yuan Jiayou Zhong Te Cao Leyi Ni Ping Xie

Although functional trait variability is increasingly used in community ecology, the scale- and size-dependent aspects of trait variation are usually disregarded. Here we quantified the spatial structure of shoot height, branch length, root/shoot ratio and leaf number in a macrophyte species Potamogeton maackianus, and then disentangled the environmental and ontogenetic effects on these traits....

2015
Wen-Tao Zou Wei-Sheng Zeng Ming Zeng Eric J. Jokela

To analyze the main variables affecting crown biomass, we measured crown biomass and a number of variables describing tree size, such as stem diameter at breast height (D), tree height (H), crown width (Cw) and crown length (Cl), from 754 sample trees of four pine species in China, specifically, Pinus massoniana, P. yunnanensis, P. tabulaeformis and P. elliottii. In addition, we developed indiv...

2014
Rodrigo Milani Daniela de Moraes Aline Sanches Rodrigo Jardim Thais Lumikoski Gabriela Miotto Vitor Hugo Santana Paulo Roberto Brofman

INTRODUCTION We evaluated with transit time flow the performance of the right and left thoracic arteries when used as a graft for the left anterior descending artery. METHODS Fifty patients undergoing surgery for myocardial revascularization without cardiopulmonary bypass were divided into two groups. In group A patients received graft of right internal mammary artery to the anterior interven...

Journal: :international journal of advanced biological and biomedical research 0
zewdinesh damtew zigene ethiopian institute of agricultural research, wondo genet agricultural research center, ethiopia beemnet mengesha kassahun ethiopian institute of agricultural research, wondo genet agricultural research center, ethiopia

the investigation was conducted on wet and dry seasons of ethiopia during the year 2012/2013 at wondo genet agricultural research center nursery site. four levels of cutting size and three levels of cutting positions were arranged in randomized complete block design with three replications. data on seedling height, branch number/seedling, root number/seedling, root weigh/seedling, root length/s...

Journal: :international journal of advanced biological and biomedical research 2013
maziar haidari hamid jalilvand hamed aghajani mehran nasiri

any defects in street trees may cause injuries to human, vehicles and buildings. this research was investigated in the babol city, mazandaran province, in the northern state of iran.used the perfect inventory methods and measured the diameter at breathe height (dbh), height and hazardous criteria (dead woods, cracks or seams, decay, wound or cankers, root problems, weak branch unions and skew f...

2016
Yuanjun Ye Ming Cai Yiqian Ju Yao Jiao Lu Feng Huitang Pan Tangren Cheng Qixiang Zhang

The genetic control of plant architecture is a promising approach to breed desirable cultivars, particularly in ornamental flowers. In this study, the F1 population (142 seedlings) derived from Lagerstroemia fauriei (non-dwarf) × L. indica 'Pocomoke' (dwarf) was phenotyped for six traits (plant height (PH), internode length (IL), internode number, primary lateral branch height (PLBH), secondary...

Journal: :Tree physiology 2000
M S Lamhamedi H Chamberland P Y Bernier F M Tremblay

We assessed clonal variation in morphological variables, mineral nutrition, root growth capacity, net photosynthesis, tannin distribution, and cuticle and epicuticular wax features within four families of white spruce (Picea glauca (Moench) Voss). Seeds were collected from four families obtained through controlled crosses among selected genotypes. For each family, plants were produced either fr...

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