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Dissertations / Theses on the topic 'Botany, Experimental'

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1

Al-Wadi, Hussen. "Experimental taxonomy of Primula L. subgenus Sphondylia (DubY) Rupr." Thesis, University of Newcastle Upon Tyne, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.331961.

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2

Lagator, Mato. "Experimental evolution of herbicide resistance in Chlamydomonas reinhardtii." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/56830/.

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Our understanding of the evolutionary dynamics of selection for herbicide resistance is limited by the time and space required to conduct meaningful selection experiments in higher plants. This constrains the study of the dynamics of resistance evolution predominantly to mathematical models. The primary goal of this thesis was to overcome these limitations, and to study the evolutionary phenomena underpinning several management strategies. To do so, a series of experimental evolution studies were conducted using Chlamydomonas reinhardtii, a single-­‐cell green chlorophyte susceptible to a rang
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3

Mendel, Lilyane. "An investigation of macro charcoal production and deposition in the experimental burn plots of Hluhluwe Mfolozi Park, South Africa." Bachelor's thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/26695.

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4

Kirkwood, Donovan. "An experimental test of the importance of litter and soil type in the decomposition of five fynbos biome litter types." Thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/26050.

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5

Jironkin, Aleksey. "Computational and experimental analysis of plant promoters : identifying functional elements." Thesis, University of Warwick, 2013. http://wrap.warwick.ac.uk/60669/.

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Understanding the regulatory DNA sequences are becoming increasingly important in understanding the way plants integrate signalling cues mediated through the actions of the transcription factors (TFs). This thesis presents an interdisciplinary investigations into regulatory elements found in the promoter regions of a model organism Arabidopsis thaliana. The intergenic DNA sequences are studied between sets of orthologous genes in A. thaliana and 3 other related species to uncover hundreds of evolutionary conserved noncoding sequences (CNSs). The CNSs are found to be more skewed towards the ann
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6

Moore, Althea F. P. "The Effects of Seagrass Species and Trophic Interactions in Experimental Seagrass Communities." W&M ScholarWorks, 2011. https://scholarworks.wm.edu/etd/1539617911.

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7

Suddaby, Anthony J. R. "An experimental and theoretical investigation of the migration of moisture in cocoa beans." Thesis, London Metropolitan University, 1990. http://repository.londonmet.ac.uk/2993/.

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This work is essentially an investigation of non-convective moisture movement as the result of a temperature gradient in hygroscopic porous materials, in particular, cocoa beans. The aim of the research has been to determine experimentally the bulk moisture diffusion coefficient for cocoa, and, by quantifying it, to investigate the contribution of such diffusion to wetting and mould damage that has occurred on the surface of cargoes during shipment from West Africa to Northern Europe.
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8

Moore, Timothy E. "Investigating the functional and adaptive significance of leaf size and shape variation in Jamesbrittenia (Scrophulariaceae (s.s). tribe Manulae) : an experimental and comparative approach." Bachelor's thesis, University of Cape Town, 2007. http://hdl.handle.net/11427/26300.

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The adaptive significance of variety in leaf forms remains a mystery for many plant groups. This study aimed, using a combined experimental and comparative approach, to investigate the functional significance of leaf size and shape variation, as well as the patterns of leaf form variation in the genus Jamesbrittenia within the context of phylogenetic history. Leaf sizes 63-measured Jamesbrittenia varied between 0.006cm² (in J. microphylla) and 6.52cm² (in J. megaphylla). Correlations between leaf form and the environment suggest leaf size and shape are primarily adapted to water availability,
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9

Njobeni, Asanda. "Experimental cultivation of the red seaweed, Gracilaria gracilis (Rhodophyta) in land-based tank culture systems on abalone farms in the Western Cape, South Africa." Master's thesis, University of Cape Town, 2006. http://hdl.handle.net/11427/6150.

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Includes bibliographical references (leaves 91-111).<br>The feasibility of growing red seaweed, Gracilaria gracilis (Gigartinales, Rhodophyta) in land-based culture systems was investigated in two Western Cape abalone farms i.e. Jacobsbaai Sea Products (JSP) and Irvin & Johnson (I&J) and large size culture tanks (I&J). All the tanks were stocked with at 2 kg m⁻² supplied with unfiltered seawater (24 and 4 volume exchanges d⁻¹) JSP and I&J, respectively. This study also tested the efficiency of G. gracilis as a biofiltering species as well as investigating the effectivenss and influence of nutr
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10

McKinney, Amy Marie. "Pollinator-mediated interactions between the invasive shrub Lonicera maackii and native herbs: The roles of shade, flowering phenology, spatial scale, and floral density." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1276309342.

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11

Barden, Charles J. "Root growth potential and outplanting performance of loblolly pine seedlings raised at two nurseries." Thesis, Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/91032.

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Root growth potential CRGP) is the measure of seedling ability to grow new roots. Loblolly pine (Pinus taeda L.) seedlings from 5 seedlots were raised at two widely separated nurseries (Summerville, SC and New Kent, VA). In Experiment I, RGP was determined during the fall and winter of 1984-85 and 1985-86, and several morphological traits were measured. In Experiment II seedlings from the same seedlots were lifted during February 1985 and 1986 at both nurseries, and cold stored until subsequent outplanting; subsamples of outplanted seedlings were used for RGP determinations. Root growth pote
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12

Murphy, Stephen J. "Community Assembly and Dynamics of the Forests of Powdermill Nature Reserve (Rector, PA)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu153200426920788.

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13

Meets, Michiel. "The determination of the concentration of aqueous smoke solutions used in restoration projects." Thesis, Stellenbosch : Stellenbosch University, 2000. http://hdl.handle.net/10019.1/51955.

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Thesis (M.Sc.)--Stellenbosch University, 2000.<br>ENGLISH ABSTRACT: It is well known that smoke and aqueous smoke solutions promote the germination of certain seeds. This has considerable practical implications for restoration in fire prone areas like the Cape fynbos. The aqueous smoke solution (more commonly known as smoke water) can be used in restoration projects to stimulate seeds to germinate faster so that a wide diversity of plants can be established rapidly. Smoke water is made using different methods and different plant materials. This inevitably results in different concentrati
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14

Andert, Hagen [Verfasser], Teja [Akademischer Betreuer] Tscharntke, Teja [Gutachter] Tscharntke, Christoph [Gutachter] Scherber, and Holger [Gutachter] Kreft. "Biodiversity and ecosystem processes in an experimental island system / Hagen Andert ; Gutachter: Teja Tscharntke, Christoph Scherber, Holger Kreft ; Betreuer: Teja Tscharntke." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2018. http://d-nb.info/1153197715/34.

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15

Fernández, Brime Samantha. "Els líquens saxícoles i terrícoles del Parc Natural de Cap de Creus, amb un estudi filogenètic aplicat a la sistemàtica dels gèneres Diploschistes i Ingvariella." Doctoral thesis, Universitat de Barcelona, 2012. http://hdl.handle.net/10803/120096.

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Una de les línies de treball del Grup de Liquenologia del Departament de Biologia Vegetal (Unitat Botànica) de la Universitat de Barcelona ha tingut com a objectiu estudiar la diversitat dels líquens i fongs liquenícoles del territori català, així com la descripció de les comunitats liquèniques d’aquesta àrea. Malgrat la contribució d’aquests estudis al coneixement de la flora liquenològica de Catalunya, encara queden moltes àrees del territori que no s’han estudiat amb deteniment. Una d’aquestes àrees és la inclosa dins del Parc Natural de Cap de Creus, on els extensos afloraments de roques à
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16

Benedí, Carles. "Revisió biosistemàtica del gènere Anthemis L. a la Península Ibèrica i a les Illes Balears." Doctoral thesis, Universitat de Barcelona, 1987. http://hdl.handle.net/10803/672846.

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El gènere Anthemis L. pertany a la familia Compositae Giseke (també anomenada Asteraceae Dumotier), subfamília Asteroideae Carlquist, tribu Anthemidineae Cass., subtribu Anthemidineae Dumort, i agrupa 130 especies (HEYWOOD & HUMPRHIES, 1977) anuals, biennals o perennes. El centre primari d'especiació és situat a l'Àsia Menor (THIN, 1980), on són congregades un bon nombre d'espècies perennes endèmiques. Anthemis és un genere distribuït per Europa, sud-oest d'Àsia i Àfrica del Nord, amb dues espècies (A.arvensis i A.cotula) introduïdes a Amèrica (KAY, 1958). La Península Ibèrica representa el lí
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17

Hooghvorst, Isidre. "Development of doubled haploids, chromosome doubling and CRISPR/Cas9 techniques in melon for the next generation of breeding." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/673451.

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The general aim of this PhD thesis was to study, develop and apply different breeding techniques in melon species in order to produce new commercial cultivars. The three specific objectives of this thesis are: 1. To study and evaluate the commercial value and the parthenogenetic capacity of seven genotypes of C. melo var. Inodorus “Piel de Sapo” type to obtain DH lines which might be further used as parental lines for commercial hybrid F1 seed production. The parthenogenetic generation of DHs from the seven genotypes was evaluated and optimized through the analysis and description of the di
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18

Barres, González Laia. "Estudis filogenètics i filogeogràfics de la tribu Cardueae i el gènere Euphorbia." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/120376.

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La tesi doctoral té com a eixos vertebradors la sistemàtica molecular, la biogeografia i la filogeografia molecular. S’han seleccionat dos grups de plantes per les interessants qüestions que presenten per resoldre i perquè ens han permès aplicar els mètodes més actuals i contrastar els resultats amb les propostes tradicionals basades en caràcters morfològics. Els grups seleccionats són: una part del gènere Euphorbia (Euphorbiaceae) i la tribu Cardueae (Compositae). En el cas del gènere Euphorbia, s’ha investigat el subgènere Esula i en concret el grup Pachycladae. La circumscripció i les af
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19

Goisser, Michael Martin Verfasser], Rainer [Akademischer Betreuer] Matyssek, Christian [Akademischer Betreuer] [Ammer, and Egbert [Akademischer Betreuer] Matzner. "Establishing Fagus sylvatica under annually recurring summer drought : Experimental forest restoration upon wind-throw of Picea abies in view of climate change / Michael Martin Goisser. Gutachter: Christian Ammer ; Egbert Matzner ; Rainer Matyssek. Betreuer: Rainer Matyssek." München : Universitätsbibliothek der TU München, 2014. http://d-nb.info/1057000574/34.

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20

Goisser, Michael [Verfasser], Rainer Akademischer Betreuer] Matyssek, Christian [Akademischer Betreuer] [Ammer, and Egbert [Akademischer Betreuer] Matzner. "Establishing Fagus sylvatica under annually recurring summer drought : Experimental forest restoration upon wind-throw of Picea abies in view of climate change / Michael Martin Goisser. Gutachter: Christian Ammer ; Egbert Matzner ; Rainer Matyssek. Betreuer: Rainer Matyssek." München : Universitätsbibliothek der TU München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:91-diss-20140710-1197661-0-5.

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21

Wiley, John J. Jr. "Bryophyte Community Response to Prescribed Fire and Thinning in Mixed-Oak Forests of the Unglaciated Allegheny Plateau." Ohio University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1357589299.

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22

Pierre, Herma. "Mangiferin as a Biomarker for Mango Anthracnose Resistance." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2247.

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Mangos (Mangifera indica L.) are tropical/subtropical fruits belonging to the plant family Anacardiaceae. Anthracnose is the most deleterious disease of mango both in the field and during postharvest handling. It is most commonly caused by the Colletotrichum gloeosporioides complex. Mangiferin, a xanthanoid compound found in at least twelve plant families worldwide (Luo et al., 2012), is present in large amounts of the leaves and edible mangos. Even though this compound plays a pivotal role in the plant’s defense against biotic and abiotic stressors, no correlations been made between the compo
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23

Gigante, Bethany Marie. "SALINE ADAPTATION OF THE MICROALGA Scenedesmus dimorphus FROM FRESH WATER TO BRACKISH WATER." Cleveland State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=csu1382355969.

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24

Khaled, Elazab Abdelhalim. "Novel phenotyping and monitoring approaches to assess cereal performance under abiotic stress conditions = Nuevos enfoques de fenotipeado y monitoreo de cultivos para evaluar el rendimiento de cereales cultivados en diferentes condiciones de estrés abiótico." Doctoral thesis, Universitat de Barcelona, 2015. http://hdl.handle.net/10803/300434.

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Cereals are the basis of the normal diet in most Mediterranean countries and it is estimated that they account for 35-50% of the regional populations’ dietary energy consumption. Water deficit is the main constraint limiting cereal productivity in the Mediterranean regions. Crop management and breeding may improve the performance of cereals under such stress conditions. However, the lack of efficient tools to monitor the performance of agronomical practices or to undertake appropriate phenotyping in breeding programs limits the efficiency of both avenues. Novel tools to monitor the cereals
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25

Pérez-Llorca, Marina. "Structural and physiological mechanisms underlying abiotic stress tolerance in the Mediterranean shrub Cistus albudus L." Doctoral thesis, Universitat de Barcelona, 2021. http://hdl.handle.net/10803/672951.

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Mediterranean species have to be in constant acclimation to seasonal environmental changes, including variations in water availability, air temperature and solar radiation. Due to global warming, these environmental changes are predicted to increase in frequency and intensity. Shrubs have a crucial role in plant communities such as avoiding soil erosion and, therefore, the study of shrub responses to abiotic stresses is essential to predict future changes in populations. Here, we evaluated the performance of the Mediterranean shrub, Cistus albidus, under several abiotic stresses in natural and
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26

Adhikari, Binaya. "Understanding natural expression of cytoplasmic male sterility in flowering plants using a wildflower Lobelia siphilitica L. (Campanulaceae)." Kent State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=kent1532954470078823.

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27

Kriska, David J. "Restoration of Black Oak (Quercus velutina) Sand Barrens via three different habitat management approaches." Cleveland State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=csu1506811044845704.

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28

Erfmeier, Alexandra. "Ursachen des Invasionserfolges von Rhododendron ponticum L. auf den Britischen Inseln Einfluss von Habitat und Genotyp /." Doctoral thesis, [S.l. : s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=975033476.

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Meyer, Ann-Carolin. "Physiologische Untersuchungen am Stamm und im Kronenraum eines Fichtenaltbestandes nach experimenteller Manipulation des Wasser- und Ionenhaushaltes (Dachprojekt Solling)." Doctoral thesis, [S.l. : s.n.], 2001. http://webdoc.sub.gwdg.de/diss/2002/meyer/meyer.pdf.

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30

Sochorová, Markéta. "Fyziologie rostlin ve výuce botaniky na základních školách." Master's thesis, 2011. http://www.nusl.cz/ntk/nusl-297483.

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This thesis on the topic "Physiology of Plants in Elementary School Botany" consists of theoretical and practical part. The theoretical part focuses on a didactical analysis of the textbooks currently in use and integration of this topic in the valid curricular documentation. It also includes a research part, in which the possibilities of material visual aids used in science teaching are identified. The practical part makes use of these observations. A interactive CD, which includes worksheets on the main areas of plant physiology, has been created based on these observations. The worksheets a
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31

Joshi, Srijana [Verfasser]. "The danger of re-introduction of invasive plants : a novel experimental test with Lythrum salicaria from introduced and native range / vorgelegt von Srijana Joshi." 2010. http://d-nb.info/101005662X/34.

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32

Löw, Markus [Verfasser]. "Sensitivity of photosynthesis and stomatal conductance in mature beech (Fagus sylvatica L.) to ambient or experimentally enhanced ozone regimes / Markus Löw." 2007. http://d-nb.info/985084871/34.

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33

Pray, Thomas Joseph. "The effect of mycorrhizal fungi associated with willows growing on marginal agricultural land." Thèse, 2017. http://hdl.handle.net/1866/20593.

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34

(5930906), Jacob J. Torres. "The Biowall Field Test Analysis and Optimization." Thesis, 2019.

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<div> <p>A residential botanical air filtration system (Biowall) to investigate the potential for using phytoremediation to remove contaminants from indoor air was developed. A full scale and functioning prototype was installed in a residence located in West Lafayette, Indiana. The prototype was integrated into the central Heating, Ventilating, and Air Conditioning (HVAC) system of the home. This research evaluated the Biowall operation to further its potential as an energy efficient and sustainable residential air filtration system.<br></p> <p> </p> <p>The main research effort began afte
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35

Rewald, Boris. "Impact of climate change-induced drought on tree root hydraulic properties and competition belowground." Doctoral thesis, 2008. http://hdl.handle.net/11858/00-1735-0000-000D-F23E-4.

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Meier, Ina Christin. "Aboveground and belowground response of European beech to drought: field studies and experiments." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-000D-F22D-8.

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