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Relevant bibliographies by topics / Leaves – Morphology / Dissertations / Theses

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Dissertations / Theses on the topic 'Leaves – Morphology'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 September 2023

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1

Keller, Daniel L. "Leaf epidermal morphology : a survey of the genus Allium." Scholarly Commons, 1994. https://scholarlycommons.pacific.edu/uop_etds/2271.

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The epidermis from a range of species from the genus Allium was peeled from the base, middle, and tip of the adaxial and abaxial surfaces of leaf material. Epidermal peels were water mounted after being peeled using forceps, and photographed using Nomarski microscopy. The epidermis is composed of rows of cells which run parallel to one another, and to the long axis of the leaf. Guard cells are present on both surfaces of the leaf in most species, but some species lack guard cells on either the abaxial or adaxial surface. Guard cells are sunken to varying degrees in all species surveyed. Subsid

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2

Peeters, Paula J. (Paula Jane) 1969. "Relationships between leaf traits and herbivorous insect assemblages in a temperate Australian forest." Monash University, Dept. of Biological Sciences, 2001. http://arrow.monash.edu.au/hdl/1959.1/8792.

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3

LeBlanc, Deborra A. "Developmental morphology of galls induced by Diplolepis rosaefolii (Hymenoptera:, cynipidae) on the leaves of rosa virginiana and the influence of periclistus species on the D. rosaefolii galls." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ30059.pdf.

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4

O'Connell, Dean Michael, and n/a. "Plant-arthropod interactions : domatia and mites in the genus Coprosma (Rubiaceae)." University of Otago. Department of Botany, 2009. http://adt.otago.ac.nz./public/adt-NZDU20090807.160026.

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Plant-based defence mutualisms involve aspects of plant morphology that influence the performance of plant parasites, their natural enemies and trophic interactions. Leaf domatia, small indentations on the underside of leaves, can be structurally complex, and are often inhabited by potentially beneficial mites and other arthropods. Plant morphological traits such as domatia that enhance mutualistic relationships may result in increased plant growth rates, and reproductive success. New Zealand supports ~60 plant species that have domatia, the most speciose genus being Coprosma. The aim of this

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5

Bastias, Álamo Elliot. "The role of leaf litter quality and streambed hydro-morphology on in-stream leaf litter dynamics = El rol de la qualitat de la fullaraca i de la hidro-morfologia del tram fluvial en les dinàmiques de la fullaraca als rierols." Doctoral thesis, Universitat de Barcelona, 2018. http://hdl.handle.net/10803/586045.

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Understanding the dynamics of leaf litter inputs in streams involves assessment of retention, spatial distribution and processing of leaf litter inputs. However, leaf litter dynamics in streams has been mostly studied by determining the controlling factors of leaf litter processing, ignoring if leaf litter inputs are retained within the streams, and how these inputs are spatially distributed within the streambed. Furthermore, leaf litter processing in streams is not an isolated process because it can be linked with the dynamics of solutes of these streams. In fact, leachates from leaf litter

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6

Zhang, Rui. "Metabolic Disorder leads to Retinal degeneration: Function, morphology and metabolic pathway analysis." Thesis, The University of Sydney, 2020. https://hdl.handle.net/2123/25459.

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INTRODUCTION The retina prefers to metabolize glucose through glycolysis rather than oxidative phosphorylation (OXPHOS) to meet their energy demand even when oxygen is abundant, known as the “Warburg effect”, despite having abundant functional mitochondria. We created transgenic mice with selective knockdowns of key enzymes in glycolysis and OXPHOS including hexokinase (HK) 2, lactate dehydrogenase (LDH) A and pyruvate dehydrogenase (PDH) E1α in rods to study the importance of glycolysis and OXPHOS in retinal metabolism and the role of metabolic derangement in the pathogenesis of retinal dise

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7

Mzoughi, Olfa. "Analyse et description de la morphologie foliaire : application à la classification et l'identification d'espèces de plantes." Thesis, Paris, ENST, 2016. http://www.theses.fr/2016ENST0028/document.

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De nos jours, l’identification automatique des espèces de plantes par l’analyse d’images, devient incontournable pour faire perdurer, standardiser voire approfondir les connaissances relatives à la communauté végétale. Cette thèse aborde le problème d’identification automatique des espèces de plantes en utilisant les images de feuilles. Elle s’attaque à deux principaux challenges: Le premier challenge est le grand nombre et la large variabilité de la morphologie foliaire des espèces et le deuxième challenge est la variabilité intra-espèces qui se manifeste localement au niveau de régions parti

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8

McLain, John. "The Deletion of Exon 2 in the Nf2 Gene Leads to Changes in Morphology, Protein Expression, and Localization in Mouse Schwann Cells." Honors in the Major Thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1179.

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This item is only available in print in the UCF Libraries. If this is your Honors Thesis, you can help us make it available online for use by researchers around the world by following the instructions on the distribution consent form at http://library.ucf.edu/Systems/DigitalInitiatives/DigitalCollections/InternetDistributionConsentAgreementForm.pdf You may also contact the project coordinator, Kerri Bottorff, at kerri.bottorff@ucf.edu for more information.<br>Bachelors<br>Burnett School of Biomedical Sciences<br>Molecular Biology & Microbiology

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9

Netnou, Noluthando C. "A revision of the genera Dicoma cass. and Macledium cass.(Asteraceae, mutislae)." Thesis, 2008. http://hdl.handle.net/10210/243.

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A synopsis of the southern African members of the genera Dicoma Cass. and Macledium Cass. (family Asteraceae, subfamily Cichorioidiae, tribe Mutiseae, subtribe Gochnatiinae) is presented. The most recent monograph of Dicoma was done by Wilson (1923). It included 34 species, of which 17 are southern African, The southern African species were last treated by Harvey (1865). Traditionally Dicoma included 50 to 65 species, of which 23 occur in southern Africa. Ortiz (2001) reinstated the genus Macledium Cass., which was first described by Cassini (1825), following a phylogenetic study of Dicoma and

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10

Masia, Nthambeleni Dalton. "How seasonal patterns of leaf display impact life histories of savanna trees." Thesis, 2016. http://hdl.handle.net/10539/19324.

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A dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of requirements for the degree of Master of Science. August 2015.<br>iii ABSTRACT Global changes are likely to have negative impacts on many ecosystems including savannas. Semi-arid environments are notable for the wide range of seasonal patterns of leaf display in the tree communities. The environmental cues of leaf out and leaf drop are not consistent across species, and are not always directly linked to water availability, indicating that some species might be particularly sens

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11

Ntsangani, Luvo. "Assessing the effect of extreme temperature conditions on the morphology, anatomy and phytochemistry of Moringa Oleifera leaves." Thesis, 2018. https://hdl.handle.net/10539/26661.

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A thesis submitted to the Faculty of Science, in partial fulfilment of the requirements for the degree of Master of Science, 2018<br>Since its discovery in India many centuries ago, Moringa oleifera has been used largely in the tropics and subtropics where it is native for nutritional, medicinal and industrial benefits. These benefits are attributed to the antioxidant, antifungal and anti-inflammatory properties in the phytochemical compounds of M. oleifera. Agriculture of M. oleifera in South Africa is currently minimal despite its multiple benefits. Naturalisation of M. oleifera in t

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12

Leigh, Andrea. "The functional significance of leaf shape variation : morphology correlates with thermal and hydraulic properties." Phd thesis, 2007. http://hdl.handle.net/1885/149579.

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13

陳亭妤. "A Study on the Morphology of Leaves and Pollen Grains and Genetic Diversity Analysis by ISSR Markers in Coleus." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/06301977843714792073.

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碩士<br>國立嘉義大學<br>園藝學系研究所<br>99<br>Leaf morphology and anatomy, pollen grains morphology and pollen viability as well as inter simple sequence repeat (ISSR) molecular markers were carried out on the identification , classification and genetic diversity of 21 coleus cultivars. In the study of leaf morphology, 5 leaf shapes with ovate, lance-ovate, widely ovate, very widely ovate and cordate etc. were classified. Four leaf apexes were with acuminate, acute, obtuse and rounded. Six leaf bases were with narrowly cuneate, cuneate, obtuse, rounded, truncate and cordate etc. Five margin type of leaves

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14

Marques, Mário Pedro da Silva. "Monitoring of ripening-derived composition and morphology modifications in Arbutus unedo L. fruits, and characterization of vitrified tissues." Master's thesis, 2019. http://hdl.handle.net/10316/88099.

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Dissertação de Mestrado em Biodiversidade e Biotecnologia Vegetal apresentada à Faculdade de Ciências e Tecnologia<br>A familía Ericaceae é constítuida por várias espécies economicamente importantes, tais como as pertencentes ao género Rhododendron and Vaccinium. Entre elas, o arbusto mediterrânico Arbutus unedo L. destaca-se do ponto de vista pomológico e ornamental. Para aprofundar o conhecimento sobre esta espécie, analisaram-se as alterações morfológicas e composicionais que ocorrem na ontogenia dos frutos, com o objetivo de identificar fatores e eventos relacionados com a sua maturação. D

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15

Masna, Mahesh. "Regulation of Leaf Margin Development by TOOTH/MIR160A in Arabidopsis Thaliana." Thesis, 2015. http://hdl.handle.net/2005/2750.

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TOOTH/MIR160A regulates leaf margin outgrowth in Arabidopsis thaliana Unlike animals, a striking aspect of the plant development is that they have evolved a flexible pattern of post embryonic development. This exposes them to the challenges of many biotic and abiotic signals throughout their life. So, plants have to evolve/regulate various mechanisms to modulate their growth and development for accomplishing a successful life cycle in the prevailing environmental conditions. Auxin is involved in the initiation of lateral organs at the meristem and serration development along the leaf margin

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16

Murawski, Emily M. "Assessment of Cerebellar and Hippocampal Morphology and Biochemical Parameters in the Compound Heterozygous, Tottering/leaner Mouse." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-12-7380.

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Due to two different mutations in the gene that encodes the a1A subunit of voltage-activated CaV 2.1 calcium ion channels, the compound heterozygous tottering/leaner (tg/tgla) mouse exhibits numerous neurological deficits. Human disorders that arise from mutations in this voltage dependent calcium channel are familial hemiplegic migraine, episodic ataxia-2, and spinocerebellar ataxia 6. The tg/tgla mouse exhibits ataxia, movement disorders and memory impairment, suggesting that both the cerebellum and hippocampus are affected. To gain greater understanding of the many neurological abnormalitie

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17

Nigussie, Fikru. "Analysis of Hippocampal Cell Proliferation, Survival, and Neuronal Morphology in P/Q-Type Voltage-Gated Calcium Channel Mutant Mice." Thesis, 2013. http://hdl.handle.net/1969.1/149268.

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Tottering and leaner mutant mice carry mutations in the pore-forming subunit (1A) of P/Q-type (CaV 2.1) voltage-gated calcium ion (Ca2+) channels that result in reduced Ca2+ current density. Since Ca2+ influx via voltage-dependent Ca2+ channels regulates important Ca2+-dependent neuronal processes including neurotransmitter release and synaptogenesis, we assessed effects of these mutations on hippocampus volume, neuronal density, neuronal morphology of hippocampal pyramidal cells in adult (six-month-old) mice, and adult neurogenesis in three-week-old and six-month-old mice. Hippocampal volu

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18

Lee, Chin-Mei, and 李金梅. "Effects of different light environments on the seedling growth and leaf morphology of three native broad-leaved tree species in Taiwan." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/83010495254831980119.

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碩士<br>國立臺灣大學<br>森林學研究所<br>91<br>The objectives of this study were to investigate the changes of seedling growth and leaf morphology in different simulated light environments on 3 kinds of native broad-leaved species , namely, Ring-couple oak（Cyclobalanopsis glauca）,Camphor tree （Cinnamomum camphora）and Formosan ash（Fraxinus griffithii）.The simulated relative light intensities were 15%, 30%, 60% and 100%, respectively. The R/FR ratios were 0.6 and 1.3. Results showed that growth of these 3 species were affected by both light intensities and R/FR ratio. And the seedling growth were af

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