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Thèses sur le sujet « Leaf Growth and Development »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 6 septembre 2023

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1

Machado, R. C. R. "Carbohydrate as a factor controlling leaf development in cocoa." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380124.

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2

Remmler, Lauren. "Growth and Morphogenesis: Quantifying 3D Surface Growth Patterns and Shape Changes in Developing Leaves." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20669.

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ABSTRACT: Formation of organ shape is an intriguing yet largely unanswered question in developmental biology. Shapes arise as a result of tightly controlled spatial variation in the rates and directions of tissue expansion over the course of development; therefore, quantifying these growth patterns could provide information about the underlying mechanisms of morphogenesis. Here we present a novel technique and computational tools for quantifying growth and shape changes in developing leaves, with a few unique capabilities. This includes the ability to compute growth from three-dimensional (3D

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3

Barkoulas, Micvhalis. "A role for auxin in leaf development in crucifer plants." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670145.

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4

Kitson, Sarah R. "Upland forest leaf litter: Effects on growth and development of Lithobates sylvaticus tadpoles." Kent State University Honors College / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ksuhonors1367944142.

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5

Kenefic, Laura. "Leaf Area, Stemwood Volume Growth, and Stand Structure in a Mixed-Species, Multi-Aged Northern Conifer Forest." Fogler Library, University of Maine, 2000. http://www.library.umaine.edu/theses/pdf/KeneficLS2000.pdf.

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6

Graham, Laura Elizabeth. "The effects of elevated carbon dioxide concentration on leaf growth and development in Populus." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/65701/.

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The composition of the Earth’s atmosphere is changing. Such changes can largely be attributed either directly or indirectly to anthropogenic activities. However, the effects that these changes will have on terrestrial vegetation in the future, represents an area of great uncertainty. The results that have been published in the literature have generally concluded that elevated atmospheric carbon dioxide concentration ([eCO2]) causes increased above- and below-ground biomass compared to ambient conditions. Members of the Populus genus have risen to the forefront of plant research into the effect

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7

Stiles, Kari A. "Light-stimulated leaf growth and the developmental environment : a physiological investigation /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/5252.

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8

Kuchen, Erika. "How organs organise their ontogeny : modelling feedback between polarity, growth and geometry during Arabidopsis leaf development." Thesis, University of East Anglia, 2011. https://ueaeprints.uea.ac.uk/38820/.

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9

Gardner, Simon David Lewis. "The effects of elevated COâ†2 and tropospheric Oâ†3 on the growth and development of hybrid poplar." Thesis, University of Sussex, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307728.

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10

Vizcayno, Soto Gabriel. "Development of a method to determine tree species nutritional standards from natural variation in tree growth and leaf chemistry." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79153.

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Optimum nutritional levels for most commercial hardwoods of eastern Canada are unknown. This thesis dealt with the development of a method to determine nutritional standards using within site variation in tree growth and foliar chemistry. To this end, sugar maple (n = 87) and red maple (n = 39) trees were sampled in summer 2001 at the Station de biologie des Laurentides. Leaves were sampled for nutrients (N, P, K, Ca, Mg and Mn) and tree stems were measured for determination of basal area growth (BAG). Similar measurements for trees sampled annually during 1995--2001 were also used to m

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11

Carson, Deborah L. (Deborah Lee). "Gene discovery and expression analysis in sugarcane leaf and culm." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52860.

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Dissertation (PhD) -- University of Stellenbosch, 2002.<br>ENGLISH ABSTRACT: Sugarcane (Saccharum spp. hybrids) is a commercial crop plant capable of storing up to 20% sucrose on a fresh mass basis in the culm. Knowledge about gene expression during sugarcane growth and maturation is limited. The aim of this study was to assess whether an Expressed Sequence Tag (EST)-based approach towards analysis of sugarcane would reveal new information about gene expression and metabolic processes associated with sugarcane growth and development. The specific objectives were two-fold: firstly, to de

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12

Pace, Micah D. "Effect of Stand Density on Behavior of Leaf Area Prediction Models for Eastern White Pine (Pinus strobus L.) in Maine." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/PaceMD2003.pdf.

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13

Poucet, Théo. "The energy cost of primary metabolism and vacuole expansion : Central to shape tomato leaf development under ammonium nutrition." Thesis, Bordeaux, 2020. http://www.theses.fr/2020BORD0079.

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L'ammonium (NH4+) est une source d'azote d'un grand intérêt dans le cadre d'une agriculture durable. Son application en champs avec des inhibiteurs de nitrification s’est montré efficace pour limiter les pertes de N par rapport à l'utilisation de nitrate (NO3-). NH4+ est un intermédiaire commun impliqué dans de nombreuses voies métaboliques. Cependant, des concentrations élevées peuvent conduire à une situation de stress chez la plante provoquant un « syndrome ammoniacal », caractérisé par une croissance réduite. Ces symptômes sont causés par la combinaison, entre autres, d'une reprogrammation

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14

Assaf, Rebecca. "Quantifying Vein Patterns in Growing Leaves." Thèse, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/19980.

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How patterns arise from an apparently uniform group of cells is one of the classical problems in developmental biology. The mechanism is complicated by the fact that patterning occurs on a growing medium. Therefore, changes in an organism’s size and shape affect the patterning processes. In turn, patterning itself may affect growth. This interaction between growth and patterning leads to the generation of complex shapes and structures from simpler ones. Studying such interactions requires the possibility to monitor both processes in vivo. To this end, we developed a new technique to monitor an

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15

Wang, Bingxue. "Burkholderia phytofirmans strain PsJN effects on drought resistance, physiological responses and growth of switchgrass." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/51358.

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To decrease dependency of fossil fuels and avoid direct competition with food crops, massive research efforts are investigating next-generation cellulose biofuel crops such as switchgrass (Panicum virgatum). A low-input, sustainable switchgrass production could be achieved by reducing traditional management practices though applying plant growth promoting rhizobacteria (PGPR), of which our understanding is still rather limited. To elucidate physiological mechanisms behind PGPR's beneficial effects, we inoculated switchgrass seedlings with Burkholderia phytofirmans strain PsJN. Two experiment

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16

Chen, Lin. "Probing roles of ethylene in leaf gas exchange, growth and development using ACC-deaminase containing rhizobacteria and 1-methylcyclopropene (1-MCP)." Thesis, Lancaster University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654943.

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17

Hopkins, Laura. "The effects of elevated ultraviolet-B radiation on the growth and developmentof the primary leaf of wheat (Triticum aestivum L. cv Maris Huntsman)." Thesis, University of St Andrews, 1997. http://hdl.handle.net/10023/13563.

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Seedlings of Triticum aestivum L. cv. Maris Huntsman were grown for 7 days in a controlled environment chamber (16 hour photoperiod: PAR - photosynthetically active radiation), in the presence and absence of ultraviolet-B (UV-B: 280-320nm) radiation (+30% increase on ambient). UV-B resulted in a 17% reduction in leaf length due to changes in both the rate and duration of cell division and elongation. Measurements of the spatial distribution of cell division and elongation within the primary leaf were used to determine the temporal distribution of cells (i.e. cell age). The cell age gradient al

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18

Blanchard, Paul John. "The influence of rate of lean and fat tissue development on pork eating quality." Thesis, University of Newcastle Upon Tyne, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262987.

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19

Vores, Charles S. "Taking the lead in professional growth the development of a NATO SOF intelligence officer." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/27917.

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This thesis analyzes intelligence support to NATO Special Operations and the training that facilitates this capability and recommends a model to increase competence in the field of intelligence. The training provided by the NSTEP has led NATO SOF intelligence personnel to fill critical positions that have afforded operational elements to execute missions. The successes of ISAF SOF have been attributed to the skilled analysts that have developed clear pictures of the enemy threat and the analysis of raw information. These skill sets are critical to ensure that the commanders guidance is met and

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20

Farooki, Masuma Zareen. "The southern engine of growth and hard commodity prices : does China lead to disruptive development." Thesis, Open University, 2009. http://oro.open.ac.uk/54647/.

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The 2003 to 2008 commodity boom was the longest period of rising commodity prices seen since the Second World War. The main drivers of base metal prices were increasing Demand from China, Inflexible Supply from within the Global Mining Industry and the increased participation of Financial Actors in commodity markets. This research examines the role of the main drivers in the 2003 to 2008 commodity boom,and their impact on the future behaviour of hard-commodity prices. The persistence of these drivers,despite the interruption due to the financial crisis towards the end of 2008, leads us to conc

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21

Schwager, Hannes. "Functional Anatomy and Development of Cactus Ramifications." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-175892.

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Cacti (Cactaceae) represent a family of highly specialized angiosperm plants with a native range of distribution restricted to the American continents. Columnar cacti of the sub-family Cactoideae evolved in adaptation to their arid or semi-arid habitats characteristics that distinguish them from most other dicot plants, e.g. the stem succulence with a strongly vascularized storage parenchyma and the presence of the spine wearing areoles. Although cacti have been in cultivation since the discovery of America, some studies even suggest the agricultural use in pre-colombian times, and many scien

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22

Coombs, Tamsin Margaret. "The effect of selection for lean tissue growth on muscle fibre characteristics in lambs, and the implications for welfare." Thesis, University of Edinburgh, 2013. http://hdl.handle.net/1842/17069.

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In the UK annual lamb mortality rates range between 10-30% with the majority of deaths occurring within the first three days of life, however research has shown that lambs that stand and suck quickly are more likely to survive. Modern breeding strategies have led to breeds of sheep, such as the Suffolk, which despite greater lean muscle growth, show slower behavioural development and are less able to thermoregulate in the neonatal period than relatively unselected breeds, such as the Scottish Blackface. The reason for this is unclear however fast growing strains of pigs and cattle have been sh

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23

Chakwizira, Emmanuel. "Growth and development of 'Pasja' and kale crops grown with two methods and four rates of phosphorus (P) application : a thesis submitted in partial fulfilment of the requirements for the degree of Masters [i.e. Master] of Agricultural Science at Lincoln University /." Diss., Lincoln University, 2008. http://hdl.handle.net/10182/929.

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*‘Pasja’ (Brassica campestris x napus) and kale (Brassica oleracea var. acephala L.) were grown at Lincoln, Canterbury, New Zealand in 2008 with different levels of phosphorus (P) fertiliser. Banded or broadcast P fertiliser was applied at 0, 20, 40 and 60 kg P/ha at establishment. Total dry matter (DM) production, the proportion of the leaf and stem and leaf area development were measured over time and related to the biophysical environment. For ‘Pasja’, final DM increased with P rate from 3730 kg DM/ha to ~4900 kg DM/ha at 60 kg P/ha. For kale the increase was from 8710 kg DM/ha for the cont

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24

Bann, D. A. "Socioeconomic position, growth and physical activity : associations with adult fat and lean mass in the MRC National Survey of Health and Development." Thesis, University College London (University of London), 2013. http://discovery.ucl.ac.uk/1385741/.

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Fat and lean mass have important implications for adult health and physical functioning, but few studies have examined their determinants. This thesis used a life course perspective to examine how explanatory factors across life relate to adult measures of fat and lean mass. The MRC National Survey of Health and Development was used—a British birth cohort study originally comprised of 5362 babies born in March 1946. At 60–64 years, 746 males and 812 females had fat and lean mass measures taken using dual energy X-ray absorptiometry. Linear regression was used to examine associations between pr

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25

Novaes, Paula. "Rustificação de plantas jovens de Coffea arabica L." Universidade Federal de São Carlos, 2007. https://repositorio.ufscar.br/handle/ufscar/1922.

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Made available in DSpace on 2016-06-02T19:31:38Z (GMT). No. of bitstreams: 1 1456.pdf: 806888 bytes, checksum: c1a017c0d739e9db5205b7784a9e4a47 (MD5) Previous issue date: 2007-06-06<br>Universidade Federal de Sao Carlos<br>Young plants of Coffea arabica grafted over C. canephora were submitted to six watering cycles (WC) during 35 days. Each WC was accomplished until net photosynthesis (PN) close to zero or leaf water potential (Ψ) close to -2.0 MPa in Acauã (AC), Mundo- Novo (MN), and Obatã (OB) cultivars. After 2 WC (about 10 days) gs dropped from 0.15 to 0.01 mol m-2 s-1 in all culti

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26

Maan, Asif Ali Shafqat. "Studies of leaf growth in barley." Thesis, Bangor University, 1987. https://research.bangor.ac.uk/portal/en/theses/studies-of-leaf-growth-in-barley(02da3bd8-d4a1-4759-8119-b6c4fe7e90c9).html.

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The yield of crop dry matter is closely dependent upon the amount of solar radiation intercepted by the crop canopy. This in turn is primarily determined by the amount of leaf area and its persistence. This study was concerned with the influence of environments, nitrogen supply and plant density in controlling apical development and leaf growth and development in barley. Three series of experiments were carried out on sequentially sown spring barley (cv. Claret) to cover the whole range of the natural variation in environmental variables. In the first series of experiments there were 4 sowing

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27

Firman, David Mark. "Leaf growth and senescence of the potato." Thesis, University of Cambridge, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.330197.

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28

Sanchez-Corrales, Yara. "Cellular patterns during leaf development." Thesis, University of East Anglia, 2013. https://ueaeprints.uea.ac.uk/49709/.

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A major problem in developmental biology is to understand how the behaviour of individual cells creates reproducible biological shapes. Moreover, the reproducibility of form also happens at the cellular level and cellular patterns are evident in the temporal as well as the spatial scales. Understanding the principles underlying these cellular patterns will contribute to linking the individual cell dynamics to the collective phenomenon of morphogenesis. The relatively flat shape, the absence of cell migration and apoptosis makes the leaf of Arabidopsis thaliana an excellent system to study morp

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29

Dodd, Ian Charles. "Sensitivity of gramineacous leaf growth to abscibic acid." Thesis, Lancaster University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.337348.

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30

Sloan, Jennifer Marina. "Controlling leaf growth by phased induction of expansin." Thesis, University of Sheffield, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.522368.

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31

Al-Mansour, Naemah Mansour Mohamad. "The regulation of barley leaf growth under drought." Thesis, University of Birmingham, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268963.

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32

Pinkerton, E. H. "Mechanisms involved in ryegrass leaf development." Thesis, Queen's University Belfast, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.411834.

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33

Kavanová, Monika. "Leaf growth regulation in Lolium perenne under nutrient stress." [S.l.] : [s.n.], 2006. http://mediatum2.ub.tum.de/doc/613553/document.pdf.

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34

Everitt, Joanne. "A computational method for the analysis of leaf growth." Thesis, University of East Anglia, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426569.

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35

Kim, Minsung. "Molecular and genetic analysis of leaf polarity and compound leaf development in tomato /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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36

Ribas, Giovana Ghisleni. "MELHORA NA SIMULAÇÃO DA PRODUTIVIDADE DE ARROZ NO RIO GRANDE DO SUL PELA INTRODUÇÃO DE ARROZ HÍBRIDO NO MODELO SIMULARROZ." Universidade Federal de Santa Maria, 2016. http://repositorio.ufsm.br/handle/1/7623.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The importance of hybrid rice is increasing because of its higher potential yield compared to n conventional varieties traditionally sown in southern Brazil. The SimulArroz model is a dynamic deterministic mathematical model that simulates the growth, development and grain yield in rice, but the current version of SimulArroz (version 1.0) does not contain the option for hybrid rice. The objective of this dissertation was to calibrate and evaluate the performance of SimulArroz model in simulating the number of leaves, phenology, d

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37

Lattanzi, Fernando A. "Sources of carbon and nitrogen for leaf growth in grasses." [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=97306871X.

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38

Gough, M. W. "Relationships between leaf demography, growth and reproduction in winter annuals." Thesis, University of Leeds, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383999.

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39

Liu, Lumin. "Stomatal and leaf growth responses to water deficit in willow." Thesis, University of Aberdeen, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297564.

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Abscisic acid (ABA) was synthesised in dehydrating leaves and roots of willow (<I>Salix dasyclados</I>) and exogenous ABA in the xylem stream was shown to cause decreases in stomatal conductance. A transient decrease in leaf water potential occurred if water was entirely withheld from roots on one side of a willow plant. This was avoided if roots from all sides of the plant were watered and only root tips were allowed to dehydrate. Partial stomatal closure and decreased leaf extension rate then occurred without any initial perturbation in leaf water potential or leaf ABA. The drying event was

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40

Cribb, Elizabeth J. "Golden2 gene function in maize leaf development." Thesis, University of Oxford, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326139.

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41

Cherruault, Jean-Yves Auguste. "Rail composite leaf suspension development and testing." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.437134.

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42

Thomas, Alan. "Low temperature growth in forage grasses and cereals." Thesis, Bangor University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278780.

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43

Habinck, Emily Marie. "Correlated ecophysiological and growth related leaf traits among Arabidopsis thaliana ecotypes." NCSU, 2008. http://www.lib.ncsu.edu/theses/available/etd-10232008-204631/.

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Across plant taxa there are large-scale correlations among ecophysiological leaf traits: Specific leaf area (SLA), maximum photosynthetic rate (Amax), Leaf nitrogen content (NL), and leaf lifespan (LL). Suite syndromes of leaf traits are associated among r and K-selected species and Arabidopsis thaliana ecotypes exhibit groth syndromes similar to the r and K-selection theory and range from a wide variety of latitudes of origin. The purpose of this study was to determine if the ecoyphysiological leaf traits: SLA, Amax, Nl, LL and other growth-rleated traits were correlated across A. thaliana ec

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44

Frost, David Lloyd. "Effects of atmospheric air pollutants on leaf growth of hybrid poplar." Thesis, Lancaster University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.357593.

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45

Merzer, T. K. "Environmental effects on leaf and curd growth of early summer cauliflower." Thesis, University of Manchester, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374800.

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46

Ivakov, Alexander. "Metabolic interactions in leaf development in Arabidopsis thaliana." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2012/5973/.

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Das Wachstum und Überleben von Pflanzen basiert auf der Photosynthese in den Blättern. Diese beinhaltet die Aufnahme von Kohlenstoffdioxid aus der Atmosphäre und das simultane Einfangen von Lichtenergie zur Bildung organischer Moleküle. Diese werden nach dem Eintritt in den Metabolismus in viele andere Komponenten umgewandelt, welche die Grundlage für die Zunahme der Biomasse bilden. Blätter sind Organe, die auf die Fixierung von Kohlenstoffdioxid spezialisiert sind. Die Funktionen der Blätter beinhalten vor allem die Optimierung und Feinregulierung vieler Prozesse, um eine effektive Nutzung v

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47

Al-Moshileh, Abdul Rahman M. "Control of leaf development and bulbing in onions." Thesis, University of Nottingham, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306787.

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48

Jacobs, Matthew James. "The development and function of Begonia leaf iridescence." Thesis, University of Bristol, 2017. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.730903.

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49

Neumann, John A. P. "Variability in the relationship between leaf area and selected stem measures in Douglas fir." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28819.

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Variability in the relationship between tree leaf area (TLA) and selected stem measurements was examined in three Douglas-fir stands (Pseudotsuga menziesii (Mirb.) Franco, var. menziesii) that were less than 50 years-old, spaced to approximately 550 to 650 stems/ha, and differed in soil moisture and nutrients. Attention was given to the effect of mean annual ring width (MARW), cross-sectional area of the live bark (ALB - a surrogate measure of relative nutrient storage in the stem), and cross-sectional area of the most recent annual rings equal in number to the number of whorls in the live cro

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50

Williams, C. A. "Relationships between leaf development, carbohydrates and vernalization in cauliflower." Thesis, University of Nottingham, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383746.

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