نتایج جستجو برای: root area

تعداد نتایج: 713535  

2013
Peter Hajek Dietrich Hertel Christoph Leuschner

Leaf and fine root morphology and physiology have been found to vary considerably among tree species, but not much is known about intraspecific variation in root traits and their relatedness to leaf traits. Various aspen progenies (Populus tremula and P. tremuloides) with different growth performance are used in short-rotation forestry. Hence, a better understanding of the link between root tra...

Journal: :Plant physiology 2009
Margaretha J van der Merwe Sonia Osorio Thomas Moritz Adriano Nunes-Nesi Alisdair R Fernie

Transgenic tomato (Solanum lycopersicum) plants in which either mitochondrial malate dehydrogenase or fumarase was antisense inhibited have previously been characterized to exhibit altered photosynthetic metabolism. Here, we demonstrate that these manipulations also resulted in differences in root growth, with both transgenics being characterized by a dramatic reduction of root dry matter depos...

2012
Erdinc Civelek Ilker Solmaz Tufan Cansever Bulent Onal Serdar Kabatas Nail Bolukbasi Sait Şirin Serdar Kahraman

STUDY DESIGN Clinical study. PURPOSE The dimensions of the working zone for endoscopic lumbar discectomy should be evaluated by preoperative magnetic resonance images. The aim of this study was to analyze the angle of the roots, root area, and foraminal area. OVERVIEW OF LITERATURE Few studies have reported on the triangular working zone during transforaminal endoscopic lumbar discectomy. M...

Journal: :international journal of advanced biological and biomedical research 2014
navid adibifard farzad paknejad s.r. hassanpour avanji m. shojaei poor

the aim of this study was to investigate the effect  of irrigation period on the quality and quantity of yield and some morphological and physiological traits of three multigerm sugar beet genotypes named bp mashhad, bp karaj and 191. the experiment was in a split  plot  based on randomized complete block  design , carried out  at motahari research station of sugar beet seed research institute ...

Irfan Ahmad Muhammad Kashif Muhammad Tahir Siddiqui Rashid Ahmad Khan Tahir Munir Butt

An effort carried out to find out the smaller size of cuttings for propagation ofMorus alba in Experimental area, Department of Forestry, Range Management and Wildlife, University of Agriculture, Faisalabad, 2005. Different size of cuttings i.e.5 cm, 10 cm, 15 cm and 20 cm were planted in polythene tubes of 9 cm x 18 cm. The attempt was also made to compare the performance of cuttings outdoor a...

2017
Xiaoguang Ouyang Shing Yip Lee Rod M. Connolly

Article history: Received 16 June 2016 Received in revised form 6 December 2016 Accepted 11 January 2017 Available online 19 January 2017 This study aims to determine the drivers of root decomposition and its role in carbon (C) budgets in mangroves and saltmarsh.We review thepatterns of root decomposition, and its contribution to C budgets, inmangroves and saltmarsh: the impact of climatic (tem...

2016
Shenggang Pan Haidong Liu Zhaowen Mo Bob Patterson Meiyang Duan Hua Tian Shuijing Hu Xiangru Tang

Nitrogen availability and illumination intensity are two key factors which affect rice growth. However, their influences on total nitrogen accumulation, photosynthetic rate, root morphologies, and yields are not fully understood. We conducted two field experiments to (1) evaluate the effects of shading under different N treatments on photosynthetic parameters, root morphologies, total nutrient ...

Journal: :Revista de biologia tropical 2002
K Kathiresan N Rajendran

The growth performance of Rhizophora apiculata Blume (mangrove) seedlings in the presence and absence of exogenous gibberellic acid (GA3) under different combinations of salinity and light was analyzed. Root and shoot growth responses of 75-day old seedlings in liquid-culture, were measured. It was concluded that light exhibited a significant inhibitory effect on all the growth parameters-numbe...

2015
Daihua Ye Tingxuan Li Zicheng Zheng Xizhou Zhang Guangdeng Chen Haiying Yu

It is important to seek out plant species, high in phosphorus (P) uptake, for phytoremediation of P-enriched environments with a large amount of organic P (Po). P assimilation characteristics and the related mechanisms of Polygonum hydropiper were investigated in hydroponic media containing various concentrations of Po (1-8 mmol L(-1)) supplied as phytate. The mining ecotype (ME) showed signifi...

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