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Teses / dissertações sobre o tema "Plants"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 25 de julho de 2025

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1

Lucas, W. J. "Plant physiology : transport processes in plants /." Title page, preface and contents only, 1989. http://web4.library.adelaide.edu.au/theses/09SD/09sdl933.pdf.

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Thesis (D. Sc.)--Faculty of Science, University of Adelaide, 1990.<br>Published works [representing] original research conducted during the various phases of [his] academic development--Pref. Includes bibliographical references.

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2

Davison, Elisabeth, John Begeman, Jimmy Tipton, and Tom DeGomez. "Plant Selection and Selecting Your Plants." College of Agriculture, University of Arizona (Tucson, AZ), 2015. http://hdl.handle.net/10150/560978.

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Revised; Originally Published: 2000<br>8 pp.<br>Whether you are beginning a new landscape or renovating an existing one, planning ahead can prevent many problems. The majority of maintenance requirements and plant problems result from either selecting the wrong kind of plant for a location or planting an inferior specimen of the selected plant type. In other words, there are two decisions to be made: ▪ What species, or kind, of tree are you going to buy — an oak, pine, mesquite, or acacia? ▪ Assuming you decide on an oak, which one in the row of oaks at the nursery are you going to buy? The fi

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3

Davison, Elizabeth. "Plant Selection and Selecting Your Plants." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/144757.

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8 pp.<br>The majority of maintenance requirements and plant problems result from either selecting the wrong kind of plant for a location or from planting an inferior specimen of the selected plant type. The first decision is called Plant Selection and the second one is Selecting Plants. This publication covers the factors involved in making good decisions to install the right plant in the right place.

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4

Kering, Maru K. Blevins Dale G. "Manganese nutrition and photosynthesis in NAD-malic enzyme C-4 plants." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/7201.

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Title from PDF of title page (University of Missouri--Columbia, viewed on February 24, 2010). The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Dissertation advisor: Dr. Dale Blevins. Vita. Includes bibliographical references.

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5

Olsen, Mary W. "Diseases of Urban Plants in Arizona." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/144807.

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26 pp.<br>Geographically, Arizona can be divided roughly into four areas, southwest, central, southeast, and northern. These regions correspond with four climatic zones, allowing a large and diverse number of plants to be grown for landscaping purposes. But, interestingly, in this desert environment many of the parasitic diseases in landscape plants are caused by a limited number of plant pathogens. This publication discusses some of those diseases that are sufficiently important to the urban plants in all areas Arizona.

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6

Stone, Bethany. "The effects of boron deficiency and aluminum toxicity on plant magnesium /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3036861.

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7

Koehler, Samantha 1975. "Relações filogeneticas e diversificação no complexo 'Maxillaria Madida' (Maxillariinae:Orchidaceae)." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315354.

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Orientador: Maria do Carmo Estanislau do Amaral<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-10T06:25:59Z (GMT). No. of bitstreams: 1 Koehler_Samantha_D.pdf: 6443365 bytes, checksum: 6a01c884fb24c1fbf015cf1b2ab4e212 (MD5) Previous issue date: 2007<br>Resumo: Não informado<br>Abstract: Not informed.<br>Doutorado<br>Biologia Vegetal<br>Mestre em Biologia Vegetal

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8

Blum, Dale. "The role of red and blue light in leaf and cotyledon expansion /." Thesis, Connect to this title online; UW restricted, 1998. http://hdl.handle.net/1773/5267.

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9

au, A. Mccomb@murdoch edu, and Arthur James McComb. "Plants and the environment." Murdoch University, 2006. http://wwwlib.murdoch.edu.au/adt/browse/view/adt-MU20070828.135211.

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10

Singer, Rosana Farias. "Estudos ontogeneticos de flor e fruto em especies de Bignoniaceae com enfase na taxonomia." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315177.

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Orientador: João Semir<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-10T10:17:49Z (GMT). No. of bitstreams: 1 Singer_RosanaFarias_D.pdf: 19199909 bytes, checksum: a0d90fabd78d18997e2177dedff1b801 (MD5) Previous issue date: 2007<br>Resumo: O presente trabalho teve como objetivo estudar ontogenética e morfologicamente a flor e o fruto em representantes de Bignoniaceae no intuito de verificar se ocorrem padrões no desenvolvimento do ovário bem como o modo de formação do septo e placentas e a forma de compressão do fruto nes

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11

Hervé, Maxime. "Écologie chimique de l'interaction colza - méligèthe : vers de nouvelles stratégies de contrôle des insectes ravageurs ?" Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1S070/document.

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Les plantes possèdent de multiples systèmes de défense contre les insectes phytophages. Dans un contexte agronomique, manipuler ces défenses au moyen de la sélection pourrait contribuer à réduire les dommages causés par les insectes ravageurs en augmentant la résistance naturelle des plantes. Cette stratégie se heurte cependant à des contraintes très fortes lorsqu'il s'agit de l'appliquer aux insectes. Après avoir détaillé ces contraintes, nous proposons une démarche alternative aux méthodes classiques. Celle-ci vise à identifier des traits-clés de la plante qui modulent son interaction avec l

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12

Tront, Jacqueline Marie. "Plant Activity and Organic Contaminant Processing by Aquatic Plants." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/5234.

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This research explored fate of organic contaminants in aquatic plant systems through (i) experimental development of relationships to describe sorption, uptake and enzymatic processing of contaminants by plants and inhibition of aquatic plants by contaminants and (ii) incorporation of experimental relationships into a conceptual model which describes contaminant fate in aquatic plant systems. This study focused on interactions of aquatic plants L. minor and M. aquaticum with halogenated phenols. 2,4,5-trichlorophenol (2,4,5-TCP) and 2,4-dichlorophenol (2,4-DCP) are precursors for the highly

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13

Hall, Anthony James William. "The characterisation of Arabidopsis plants expressing lower plant phytochromes." Thesis, University of Leicester, 1999. http://hdl.handle.net/2381/29794.

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Two phytochrome-like gene fragments have been isolated using a degenerate PCR strategy from the fern Pteridium aquilinum (bracken). Both share a high degree of similarity with each other and to previously isolated phytochromes. In an attempt to isolate larger phytochrome gene fragments and full length phytochrome genes a cDNA library was constructed from light-grown young bracken fronds. The library was screened with one of the bracken phytochrome fragments. The low level of abundance of phytochrome message, however, hindered the isolation of phytochrome genes from the cDNA library. The high d

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14

Tarrant, Valerie M., and valerie tarrant@deakin edu au. "Melbourne's indigenous plants movement: The return of the natives." Deakin University. School of History, Heritage and Society, 2005. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20061207.113857.

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This thesis examines Greater Melbournes indigenous plants movement from the 1930s to the early twenty first century. It demonstrates the important scientific and educational role of the public intellectual, Professor John Turner, and of the Melbourne University Botany School which he led for thirty five years. The case study of the movement within the City of Sandringham and its successor the City of Bayside reveals how the inhabitants of an urbanised are responded to threats to the indigenous trees and wildflowers of their neighbourhood, stimulating botanists to assist them and using polit

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15

Reichard, Sarah H. "Assessing the potential of invasiveness in woody plants introduced to North America /." Thesis, Connect to this title online; UW restricted, 1994. http://hdl.handle.net/1773/5534.

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16

Naku, Mandilakhe. "Functional role of ammonium and nitrate in regulating transpiration for mass-flow acquisition of nutrients in Phaseolus vulgaris L." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2679.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2017<br>Transpiration serves in leaf cooling, maintaining turgor pressure, promoting xylem transport of nutrient solutes from roots to shoots and delivering mobile soil nutrients to root surfaces. Soil availability of nitrogen can modulate transpiration rates, consequently powering nutrient delivery to the root surfaces (‗mass-flow'). Although such knowledge on N-regulation of transpiration is available, it remains unknown, however, whether it is NO3- or NH4+ that regulates transpiration. Given that both nitrogen forms co-

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17

Jin, Xin. "Isoprenoid and flavonoid biosynthesis and regulation in higher plants." Doctoral thesis, Universitat de Lleida, 2019. http://hdl.handle.net/10803/667579.

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Aquesta tesi es centra principalment en l'anàlisi funcional i la caracterització dels gens que codifiquen per a alguns metabòlits secundaris i en l’estudi de la seva regulació en les plantes. Els objectius generals varen ser (a) entendre millor la regulació transcripcional del gen de la biosíntesi dels carotenoids, la β-carotè hidroxilasa 2 (BCH2) en el blat de moro i (b) l'anàlisi funcional de les dues isopentenil difosfat isomerasas (OsIPPI) d'arròs i determinar la seva localització subcel·lular. Simultàniament, es va estudiar com la llum afecta la via metabòlica i a la producció de pelargon

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18

Wied, Anna. "Conspecific nurse effects and the evolution of monocarpy in plants /." free to MU campus, to others for purchase, 1996. http://wwwlib.umi.com/cr/mo/fullcit?p9841363.

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19

Nolan, Justin M. "Ethnobotany in Missouri's Little Dixie : knowledge variation in a regional culture /." free to MU campus, to others for purchase, 2000. http://wwwlib.umi.com/cr/mo/fullcit?p9974669.

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20

Ribeiro, Jose Eduardo Lahoz da Silva. "Estudos sobre a filogenia, taxonomia e evolução de caracteres reprodutivos em Moraceae Gaudich." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/315027.

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Orientador: George John Shepherd<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-10T11:39:18Z (GMT). No. of bitstreams: 1 Ribeiro_JoseEduardoLahozdaSilva_D.pdf: 15364889 bytes, checksum: aff367f6d443eb922d7c26df60d67b5c (MD5) Previous issue date: 2007<br>Resumo: A família Moraceae é extremamente bem representada em número de indivíduos e espécies em florestas neotropicais de baixa altitude. Entretanto, a maior parte das informações disponíveis sobre o grupo, até o presente, refere-se apenas as espécies de Ficus. São raros

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21

Ronchi, Helena Souza [UNESP]. "Potencial alimentício e medicinal das espécies nativas da Área de Proteção Ambiental - APA Corumbataí, Botucatu e Tejupá – perímetro Botucatu." Universidade Estadual Paulista (UNESP), 2017. http://hdl.handle.net/11449/150326.

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Submitted by Helena Souza Ronchi null (hsronchi@gmail.com) on 2017-04-18T18:43:50Z No. of bitstreams: 1 Helena Ronchi_Mestrado.pdf: 4630046 bytes, checksum: 4e3e8e4ff5df0e6404d7667cdbf167b9 (MD5)<br>Approved for entry into archive by Luiz Galeffi (luizgaleffi@gmail.com) on 2017-04-18T20:01:31Z (GMT) No. of bitstreams: 1 ronchi_hs_me_bot.pdf: 4630046 bytes, checksum: 4e3e8e4ff5df0e6404d7667cdbf167b9 (MD5)<br>Made available in DSpace on 2017-04-18T20:01:31Z (GMT). No. of bitstreams: 1 ronchi_hs_me_bot.pdf: 4630046 bytes, checksum: 4e3e8e4ff5df0e6404d7667cdbf167b9 (MD5) Previous issue date

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22

Aona, Lidyanne Yuriko Saleme. "Revisão taxonomica e analise cladistica do genero Dichorisandra J.C. Mikan (Commelinaceae)." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/330318.

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Orientador: Maria do Carmo Estanislau do Amaral<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Biologia<br>Made available in DSpace on 2018-08-10T18:13:00Z (GMT). No. of bitstreams: 1 Aona_LidyanneYurikoSaleme_D.pdf: 61203004 bytes, checksum: a647955fc5bcfd2da8ffaf424a76fedb (MD5) Previous issue date: 2008<br>Resumo: Dichorisandra é o maior gênero da subtribo Dichorisandrinae, essencialmente neotropical e caracterizado pelas anteras de deiscência poricida ou rimosa e funcionalmente poricida e sementes ariladas. São ervas perenes, eretas ou escandentes, às vezes com fo

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23

Scobie, Andrew Rutherford. "Understanding the causes of reproductive failure in two rare Scottish plants, Linnaea borealis L. and Spiranthes romanzoffiana Cham. and the implications for future conservation management." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Restricted: no access until Dec. 21, 2011, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=59437.

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24

Palisaar, Jaan. "The floodplain meadows of Soomaa National Park, Estonia vegetation - dispersal - regeneration /." Connect to this title online, 2006. http://www.opus-bayern.de/uni-regensburg/volltexte/2006/705/.

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25

Ingarfield, Patricia Jean. "Effect of water stress and arbuscular mycorrhiza on the plant growth and antioxidant potential of Pelargonium reniforme Curtis and Pelargonium sidoides DC." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2794.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2018.<br>Pelargoniums have been studied extensively for their medicinal properties. P. reniforme and P. sidoides in particular are proven to possess antimicrobial, antifungal and antibiotic abilities due to their high antioxidant potential from compounds isolated from their tuberous roots. These plants have now been added to the medicine trade market and this is now causing concern for conservationists and they are generally harvested from the wild populations. This study evaluated the effect of water stress alone and in c

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26

Valmorbida, Janice [UNESP]. "Propagação da espécie Trichilia catigua A. Juss (Catiguá)." Universidade Estadual Paulista (UNESP), 2007. http://hdl.handle.net/11449/103248.

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Made available in DSpace on 2014-06-11T19:32:26Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-05-21Bitstream added on 2014-06-13T20:43:33Z : No. of bitstreams: 1 valmorbida_j_dr_botfca.pdf: 653023 bytes, checksum: 354f212c2d30f294ce34c4e7b5512709 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Pertencente à família Meliaceae, a espécie Trichilia catigua A. Juss é conhecida popularmente como catigua, cataguá, argelim-rosa e mangalto-catingam. Sua casca apresenta propriedades adstringente, inseticida, purgativa, tônica, bactericida, antiinflamatória e a

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27

Von, Richter Lotte Victoria. "Native plants of Eastern Australia as bedding plants." Thesis, The University of Sydney, 1996. https://hdl.handle.net/2123/27551.

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Bedding plants are used extensively in many landscaping situations. The majority of bedding plants marketed commercially are exotic species with only limited propagation material of Australian species available. The objectives of this work was to assess Australian short—lived perennial species as bedding plants with particular reference to their ease of propagation from seed. An extensive survey of Eastern states Australian native annual and short lived perennial species has identified the following species as showing potential as bedding plants.

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28

Puzey, Joshua Robert. "Plant MicroRNA Evolution and Mechanisms of Shape Change in Plants." Thesis, Harvard University, 2012. http://dissertations.umi.com/gsas.harvard:10143.

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Plant microRNAs have been shown to have important roles in regulating diverse processes ranging from reproductive development to stress response. In the first two chapters, I focus on miRNA diversity in Aquilegia studying both anciently evolved broadly conserved and rapidly evolving species specific miRNAs. In chapter one, I utilize Aquilegia's critical phylogenetic position between the well developed models Arabidopsis thaliana and Oryza sativa to study the evolution of ancient miRNAs across the angiosperms. In chapter two, I utilize smallRNA high-throughput sequencing to annotate Aquilegia s

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29

Zhou, Dafeng. "Farnesyltransferase: Gene Expression in Plants and Role in Plant Development." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30483.

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Protein farnesyltransferase (FTase, E. C. 2.5.1.21) post-translationally modifies regulatory proteins involved in controlling cell growth, division, and differentiation. Recently, a cDNA clone (PsFTb) encoding a pea (Pisum sativum) FTase b subunit was isolated. Initial studies led to the hypothesis that FTase plays a role in the regulation of plant cell division. To gain insight into FTase function in plants, a detailed study of the expression pattern of FTase genes was carried out. A cDNA (NgFTb) encoding the b subunit of tobacco FTase was cloned from a Nicotiana glutinosa cDNA library to in

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30

Fedkenheuer, Michael Gerald. "Understanding Plant Pathosystems in Wild Relatives of Cultivated Crop Plants." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/81976.

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As the global population rises, the demand for food increases which underscores a need for improvement in food security. Disease pressures are a major concern surrounding sustainable agriculture. Static crop populations, containing little to no genetic diversity, are vulnerable to diverse pathogen populations. Wild relatives of crop plants are a reservoir for new disease resistance traits that can be introgressed into cultivated crops. The identification of novel disease resistance is of paramount importance because pathogen co-evolution is not only defeating current resistance genes (R

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31

Alamino, Douglas Alvarez. "Características agronômicas de fisalis (Physalis pubescens L.) produzida por diferentes métodos e substratos e aspectos anatômicos e fitoquímicos." Universidade Tecnológica Federal do Paraná, 2011. http://repositorio.utfpr.edu.br/jspui/handle/1/234.

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CNPQ<br>Physalis pubescens L., ou camapu, é uma planta herbácea, cujos frutos são comestíveis e folhas, caules e raízes utilizados na medicina tradicional, contra diversas enfermidades. Como os estudos referentes a esta espécie são escassos o presente trabalho teve como objetivos: 1) avaliar os aspectos agronômicos de plantas cultivadas por diferentes métodos e substratos, 2) descrever anatomicamente as principais estruturas da plantas e 3) detectar a presença de compostos de interesse do metabolismo secundário. Para tanto, no primeiro ensaio foram avaliadas plantas produzidas a partir de seme

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32

White, Sean D. "Internal pressurisation and convective flow in two species of emergent macrophyte; Typha domingensis and Phragmites australis /." Title page, contents and summary only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phw5877.pdf.

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33

Swarts, Nigel. "Integrated conservation of the rare and endangered terrestrial orchid Caladenia huegelii H.G. Reichb /." Connect to this title, 2007. http://theses.library.uwa.edu.au/adt-WU2008.0044.

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34

Prusak, Anne C. "Activated and constitutive chemical defenses in freshwater plants." Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131334/unrestricted/prusak%5Fanne%5Fc%5F200405%5Fms.pdf.

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35

Lisovenko, M. "Nanobionic plants." Thesis, Sumy State University, 2014. http://essuir.sumdu.edu.ua/handle/123456789/45220.

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Plants have many valuable functions: They provide food and fuel, release the oxygen that we breathe, and add beauty to our surroundings. Now, a team of MIT researchers wants to make plants even more useful by augmenting them with nanomaterials that could enhance their energy production and give them completely new functions, such as monitoring environmental pollutants.

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36

Truskina, Jekaterina. "The role of auxin in cell differentiation in meristems." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSEN033/document.

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L'auxine régule la croissance et le développement des plantes grâce aux facteurs de transcription de la famille des "AUXIN RESPONSE FACTOR" (ARF). Chez Arabidopsis thaliana en particulier, ARF5, 6, 7, 8 et 19 activent l'expression de gènes cibles en réponse à l'auxine. Ces cinq ARF activateurs contrôlent de façon plus ou moins redondante des processus divers au cours du développement de la plante, notamment la régulation des croissances au niveau des méristèmes racinaires et aériens ainsi que la formation des racines latérales ou des méristèmes axillaires.Chacun de ces cinq ARF activateurs pré

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37

Damgaard, Christian. "Evolutionary ecology of plant-plant interactions : an empirical modelling approach /." Aarhus University Press, 2004. http://www.elib.se/library/ebook_detail.asp?id_type=ISBN&lib=DK&id=8779348750.

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38

Brickman, Jacklyn E. "Experiments in Biological Planet Formation and Plants: Nourishing Bodies, Nourishing Planets." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1595340630648528.

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39

Bartomeus, Roig Ignasi. "Integration and impacts of invasive plants on plant-pollination networks (Integración e impactos de las plantas invasoras sobre las redes de plantas y polinizadores)." Doctoral thesis, Universitat Autònoma de Barcelona, 2008. http://hdl.handle.net/10803/3697.

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Nota: el text d'aquesta tesi és en anglès i castellà<br/><br/>Las especies invasoras son aquellas que transportadas e introducidas por el ser humano en lugares fuera de su área de distribución natural, han conseguido establecerse y dispersarse en la región de destino. Las especies invasoras pueden producir cambios en las poblaciones de las especies nativas e incluso conducir a su extinción local. Las comunidades invadidas por plantas exóticas pueden sufrir diversos impactos, siendo la competencia por los recursos ambientales, los cambios en las propiedades del suelo o en el régimen de perturba

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40

Lindqvist, Hans. "Plant vitality in deciduous ornamental plants affected by lifting date and cold storage /." Alnarp : Swedish University of Agricultural Sciences, 2000. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=009416344&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Zuefle, Marion E. "The impact of non-native woody plants on the native herbivorous insect community of northern Delaware." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 75 p, 2006. http://proquest.umi.com/pqdweb?did=1163239621&sid=7&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Underwood, Angela Marie Spano Folkerts Debbie R. "Larvae of Sarcophagidae (Insecta Diptera) and their relationship with the pitcher plants (Sarraceniaceae: Sarracenia) of southeastern U.S. bogs /." Auburn, Ala, 2009. http://hdl.handle.net/10415/1889.

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Helson, Julie Elizabeth. "Tropical host plant-insect relationships as guides to medicinally-active plants." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98723.

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Previous studies have shown that: (1) plant defensive compounds may have medicinal properties; and (2) defensive compounds present in aposematic insects are often sequestered from their host-plant(s). This study addresses whether aposematic insects can be used as guides to detect plants containing medicinally-active compounds. First, ten tropical medicinally-active plants and ten non-active plants, selected using previous ICBG bioassay results, were observed regularly to determine their insect populations. Aposematic insects were found more frequently on active than non-active plants ( X2=8.16

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Pauw, Anton. "Mite-plant mutualism: leaf domatia of African plants house beneficial mites." Thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/25735.

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Van, Blerk Justin. "Rodents and Restionaceae : sex-specific plant-animal interactions in dioecious plants." Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20541.

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Differing plant canopy structures between the sexes of the dioecious Cannomois congesta (Restionaceae) were found to be the result of the destructive pre-dispersal seed predation methods used by the four-striped grass mouse (Rhabdomys). Mature, reproductive culms on female plants were felled down (mid way along the culm) in large numbers by Rhabdomys in order for it to access the seeds held terminally on culms. Male plants were largely unaffected due to their lack of seeds. Seeds acquired through culm-felling by Rhabdomys were all eaten shortly after their discovery, leading to significant see

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Nasim, Muhammad. "Response of rice plants to plant growth regulators under saline conditions." Thesis, University of Aberdeen, 2003. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU164162.

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Responses of rice to plant growth regulators on germination and seedling growth under NaCl salinity were studied to identify possible means of increasing salinity tolerance. Gibberellic acid (GA) promoted germination processes and a-amylase activity and increased plumule but reduced radicle growth after emergence. GA partitioned more metabolites towards the plumule than the radicle. Chlormequat (CCC) showed no beneficial effects and abscisic acid (ABA) inhibited germination under saline conditions. Overall there was no large difference in the performance of three rice varieties, BR29, IR8 and

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Rosso, Stefano. "Power Plant Operation Optimization Economic dispatch of combined cycle power plants." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264350.

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As electricity production from renewable sources increases, higher flexibility is required by fossil fuel generation to cope with the inherent fluctuations of solar and wind power. This results in shorter operating cycles and steeper ramps for the turbines, and more uncertainty for the operators. This thesis work applies mathematical optimization and statistical learning to improve the economic dispatch of a combined cycle power plant composed by two separate blocks of two gas turbines and one steam turbine. The goal is to minimize the input fuel to the gas turbines while respecting a series o

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Tonello, Kelly Cristina. "Comportamento ecofisiologico de clones de Eucalyptus." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/256936.

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Orientador: Jose Teixeira Filho<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agrícola<br>Made available in DSpace on 2018-08-15T15:44:54Z (GMT). No. of bitstreams: 1 Tonello_KellyCristina_D.pdf: 3209931 bytes, checksum: ad807b85c48d80b43bb9c5e89fb27160 (MD5) Previous issue date: 2010<br>Resumo: O crescimento e o desenvolvimento dos vegetais é conseqüência de vários processos fisiológicos controlados pelas condições ambientais e características genéticas de cada espécie vegetal. Este estudo teve por objetivo caracterizar o comportamento ecofisiológico da tr

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Soares, Natalia Costa [UNESP]. "Variação intra-específica na fenologia de espécies de sub-bosque de floresta Atlântica e sua relação com variáveis microambientais." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/87852.

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Made available in DSpace on 2014-06-11T19:23:02Z (GMT). No. of bitstreams: 0 Previous issue date: 2011-04-29Bitstream added on 2014-06-13T18:50:12Z : No. of bitstreams: 1 soares_nc_me_rcla.pdf: 2043945 bytes, checksum: 87d8fa88bf79cb92e1c9e75b4726f821 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>Variação intra-específica na fenologia de espécies de sub-bosque de Floresta Atlântica e sua relação com variáveis microambientais - Fatores abióticos, como a umidade relativa, temperatura e luz, influenciam o estabelecimento, desenvolvimento e reprodução das espéc

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Sangwan, Veena. "Temperature sensing in plants." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=37831.

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It is now well established that cold-triggered calcium influx mediates cold-induced gene expression and development of freezing tolerance (cold acclimation). In this thesis, cold signaling events both upstream and downstream of calcium influx were examined.<br>First, it was shown that the studies on calcium mediation of cold acclimation in alfalfa cell suspension cultures could be applied to intact seedlings of Arabidopsis. Calcium chelators and channel blockers caused a strong reduction in the cold-induced accumulation of kin1 and kin2 transcripts, suggesting that calcium influx was an essent

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