Relevant bibliographies by topics / Plant propagation – In vitro / Dissertations / Theses
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Dissertations / Theses on the topic 'Plant propagation – In vitro'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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1

Ong, Robert C. "In vitro propagation of Betula uber (Ashe) Fernald." Thesis, This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-03122009-040812/.

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2

Mlungwana, Asanda. "In-vitro propagation studies of the endangered succulents Drosanthemum Micans and Drosanthemum Hallii (Aizoaceae)." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2748.

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Thesis (MTech (Horticulture))--Cape Peninsula University of Technology, 2018.<br>Drosanthemum micans and Drosanthemum hallii are endangered succulent shrubs of horticultural and medicinal value. They are restricted to the Succulent Karroo, which is one of the world’s biodiversity hotspots. The species risk extinction from illegal over-harvesting for water-wise gardens, erosion by occasional flush floods from ephemeral rivers, competition from alien invasive species, overgrazing and clearing of land for agriculture and human settlement. Although seeds and cuttings may be used in propagating the
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3

Witbooi, Hildegard. "In vitro propagation of Agathosma betulina an indigenous plant of economic importance." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/841.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Horticultural Sciences in the Faculty of Applied Sciences at the CAPE PENINSULA UNIVERSITY OF TECHNOLOGY Supervisor: Dr L Kambizi Co-supervisor: Dr NP Makunga Cape Town December 2013<br>Agathosma betulina (Berg.) Pillans, previously known as Barosma betulina, is a member of the Rutaceae family, and indigenous to the fynbos botanical biome of the Western Cape of South Africa. It is commonly known as buchu. Extracts as well as powdered leaves have traditionally been used for the treatment of various ailments.
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4

Tisdall, Laurence. "Acclimatization of micropropagated 'Silvan' blackberry." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59835.

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Tissue-cultured shoots and plantlets usually have leaves with non-functional, open stomata and little epicuticular and cuticular wax, resulting in excess evapotranspiration after transplantation. Various strategies were evaluated to decrease ex vitro acclimatization difficulties for 'Silvan' blackberry, including transplanting unrooted shoots, increasing the medium agar concentration from 6 to 9 or 12 g/l and diluting the basal medium. Increased medium agar concentrations and medium dilution did not improve survival or growth. Stomatal function resumed sooner in new leaves of plantlets than sh
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5

Archambault, Jean. "Surface immobilization of plant cells." Thesis, McGill University, 1987. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=28397.

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A novel technique was developed to immobilize plant cells. The cells are deposited on a surface of man-made fibrous material which provides for strong binding of the plant tissue biomass growing in the submerged culture. It was shown that the plant cells need to be fully viable for the attachment process to occur.<br>The scale-up of this technique to laboratory size specifically designed bioreactors was performed successfully. The cell immobilizing matrix was formed into a vertical spirally wound configuration to provide for a high immobilizing area-to-volume ratio (0.8-1.2 cm$ sp{-1}$). A mod
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6

Ofisi, Mbulelo. "In vitro propagation studies of rare Argyroderma species strictly endemic to the Knersvlakte region of South Africa." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2714.

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Thesis (MTech (Horticulture)--Cape Peninsula University of Technology, 2017.<br>A study was conducted to investigate the effects of various media composition and wounding treating on the in vitro propagation of Argyroderma subalbum and A. testiculare explants derived from mature plants, antioxidants and plant growth regulators (PGR) concentrations. One experiment consisted of 3 medium types including Murashige and Skoog (MS) medium strength, vitamin supplement. Fifteen replicates were used for each treatment. The shoots were then sub-cultured to ten replicate regenerated medium consisting of v
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7

Silva, Vanda dos Santos. "Regeneração in vitro de embriões de Cocos nicífera L." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11144/tde-22102002-154541/.

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O setor de produção de coco é atingido por vários problemas que afetam sua produtividade especialmente o uso difundido de plantas sem seleção devido a características intrínsecas da cultura que dificultam a seleção de cultivares com características superiores. O uso eficiente dos recursos genéticos do coco tem encontrado dificuldades na coleta e troca de germoplasma. A cultura de tecidos tem por finalidade viabilizar a troca segura de germoplasma e facilitar o desenvolvimento de variedades produtivas em um programa de melhoramento genético, porém a regeneração de plantas através de técnicas in
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8

North, Jade Joan. "An investigation into the potential of developing an in vitro method for propagating strelitziaceae." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/838.

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Master of Technology: Horticulture in the Faculty of Applied Sciences at the Cape Peninsula University of Technology, 2011<br>A study was conducted to investigate the effects of: i) various media compositions and wounding treatments on the in vitro germination, growth and regeneration of Strelitzia reginae plantlets derived from zygotic embryos, ii) antioxidants, plant growth regulator (PGR) concentrations and plant tissue wounding treatments on phenolic compound production. One experiment consisted of 8 medium types including different combinations of Murashige and Skoog (MS) medium strength,
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9

Wann, Steven R. "In vitro isolation and propagation of mammatoxin-resistant aspen." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/5742.

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10

Kanashiro, Shoey. "Nitrogênio, fósforo, potássio, cálcio e o crescimento de plântulas de Aechmea blanchetiana (Baker) L.B.Smith in Vitro." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-16062005-141300/.

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Plântulas obtidas a partir de germinação de sementes in vitro da bromélia Aechmea blanchetiana foram cultivadas em meio líquido para o estudo do crescimento em diferentes concentrações de nitrogênio (7,5; 15; 30; 60 e 120 mM.L-1), fósforo (0,15; 0,30; 0,60; 1,25 e 2,50 mM.L-1), potássio (2,5; 5; 10; 20 e 40 mM.L-1) e cálcio (1,5; 3; 4,5; 6 e 12 mM.L-1). As plântulas foram cultivadas sob 93 µmol.m-2.s-1 de radiação fotossinteticamente ativa, sob fotoperíodo de 12 horas e temperatura de 25oC ± 1, durante 120 dias e subcultivos a cada 30 dias. As concentrações dos nutrientes foram formuladas c
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11

Gazis, Fotis. "Forsythia X intermedia cv. spectabilis (Zab.) in vitro propagation and raspberry ringspot virus elimination." Thesis, University of Bath, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334617.

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12

Perrin, Adrien. "Transmission des marques épigénétiques lors de la multiplication sexuée et de la propagation asexuée chez le pommier (Malus domestica)." Thesis, Angers, 2020. http://www.theses.fr/2020ANGE0010.

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Par son mode de propagation clonale(greffage), le pommier est un modèle intéressant pour les études épigénétiques. On observe en effet, une variabilité phénotypique au sein d’une même variété,suggérant une contribution de mécanismes épigénétiques. Au début de cette thèse les mécanismes de transmission de marqueurs épigénétiques, tel que la méthylation de l’ADN,étaient encore peu étudié chez les plantes pérennes.Pour mieux comprendre comment les marques épigénétiques sont transmises et contribuent à des traits phénotypiques, nous avons défini deux axes de recherche principaux: (i) En utilisant
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13

Juncker, Bertrand. "Le chêne (quercus robur l. ) in vitro : propagation, mode de croissance." Nancy 1, 1993. http://www.theses.fr/1993NAN10014.

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Des protocoles couvrant l'ensemble des étapes de la micropropagation depuis le conditionnement des pieds-mères, et l'introduction in vitro des explants primaires jusqu'à l'enracinement et le sevrage des plantules, ont été mis au point, en attachant une attention toute particulière à l'obtention d'un clonage efficace à long terme à partir de matériel juvénile et adulte. A cette occasion, des variations du mode de croissance des pousses développées in vitro correspondant à une disparition progressive de la croissance rythmique endogène caractéristique de l'espèce, ont été observées. L'étude des
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14

Amaral, Antonio Francisco de Campos. "Comportamento in vitro de explantes de matrizes de cenoura (Daucus carota L.) tratadas com variáveis níveis de potássio." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/11/11144/tde-14082003-165946/.

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O crescimento de plantas, órgãos, tecidos e células in vitro depende do desenvolvimento de meios de cultura otimizados para a perfeita interação de componentes essenciais como fitorreguladores, fonte de carbono e nutrientes minerais. Os fatores que limitam o crescimento de órgãos ou tecido in vitro são similares a aqueles que limitam o crescimento in vivo. Com o objetivo de testar a influência do estado nutricional de plantas matrizes de cenoura Daucus carota Link em potássio na morfogênese in vitro, plantas obtidas de sementes germinadas em substrato e cultivadas em vasos com areia em
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15

Oliveira, Annie Carolina Araújo de. "Morfogênese e calogênese in vitro em jenipapeiro (Genipa americana L.)." Universidade Federal de Sergipe, 2016. https://ri.ufs.br/handle/riufs/3018.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Plant tissue culture has shown to be effective in multiplication and conservation of plant genetic resources. The genipap (Genipa americana L.), from the Rubiaceae family stands out for its plurality of uses, either as a forest species, fruit production or in traditional medicine. This study was divided into two parts. The first study investigated the effects of NAA concentrations (0.0, 0.2, 0.4 and 0.6 mg L-1) in combination with 1.0 mg L-1 of BAP in the morphogenesis of genipap zygotic embryos and embryonic axis of Núcleo
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Moller, Anelle. "In vitro propagation and leaf ultrastructure of bush tea (Athrixia phylicoides) derived from nodal explants." Diss., University of Pretoria, 2009. http://hdl.handle.net/2263/25368.

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Athrixia phylicoides (bush tea) is one of many plants from the Asteraceae family used as a traditional herbal medicine. With very few cultivated plants, natural growing plants currently serve as the main resource for plant material. The plant is not yet commercialised and its medicinal value is known and used only by a few people. With the long term aim at commercial scale propagation, this study consists of three parts. Firstly we developed a protocol for in vitro propagation of A. phylicoides. Secondly, the ultrastructure and morphology of leaves were studied microscopically and thirdly, com
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17

Constabel, Eva Caroline. "In vitro selection of red clover for resistance to Fusarium roseum L. and evaluation of regenerated plants." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61957.

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18

Lemos, Oriel Filgueira de. "Mutagênese e tecnologia in vitro no melhoramento genético da pimenta-do-reino (Piper nigrum L.)." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/11/11137/tde-07042003-161151/.

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O presente trabalho teve por objetivo desenvolver tecnologia in vitro e associá-la à mutagênese, e avaliar plantas V 5 e V6 quanto aos caracteres agronômicos de produção em área de ocorrência da doença fusariose, visando ao melhoramento genético da pimenta-do-reino para obtenção de plantas tolerantes e/ou resistentes à doença fusariose. A aplicação das técnicas in vitro iniciou-se através da obtenção de plantas doadoras de explantes, a partir de estacas em casa-de-vegetação e, de sementes e embriões zigóticos in vitro. O processo de micropropagação foi desenvolvido a partir de gemas de plantas
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19

Beldjabri, Nacéra. "Culture in vitro chez diverses plantes florales (Lisianthus, pétunia, tabac et pervenche de Madagascar) dans le but d'embryogenèse somatique : obtention de cals et de régénérations." Vandoeuvre-les-Nancy, INPL, 1997. http://www.theses.fr/1997INPL116N.

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Dans ce travail, l'embryogenèse somatique a été tentée chez différentes espèces florales : le Lisianthus (Eustoma grandiflorum) le pétunia (Petunia hybrida), le tabac (Nicotiana glutinosa et Nicotiana langsdorfii) et la pervenche de Madagascar (Catharanthus roseus). Les expérimentations ont consisté en la culture in vitro de différents organes : anthères, ovaires, fragments de feuilles, fragments d'entre-nœuds et de pédoncules floraux de chacune des espèces étudiées. Les essais réalisés ont porté sur l'influence du prétraitement au froid, de la composition du milieu de culture, de la taille de
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20

Grimaldi, Fernanda. "Seleção de genótipos de Pyrus communis L. com potencial para portaenxerto e desenvolvimento de protocolo de micropropagação." Universidade do Estado de Santa Catarina, 2014. http://tede.udesc.br/handle/handle/517.

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Made available in DSpace on 2016-12-06T17:42:05Z (GMT). No. of bitstreams: 1 PGPV14DA008.pdf: 1515332 bytes, checksum: 0e69f0adeb0a1a547c9cf883320c34c0 (MD5) Previous issue date: 2014-07-30<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The development of a breeding program for the pear culture has great importance to the expansion of the culture and the creation/selection of new rootstocks with traits of interest is able to impulse its productivity. Thus, main objective of this study was to select new genotypes from rootstocks seedlings of Pyrus communis L. providing plan
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Blain, François 1964. "Phytotoxicity and pathogenicity of Fusarium roseum against red clover." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61848.

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22

Mollel, Margaret Huruma Naftali. "Towards a novel fruit crop : Micropropagation and genetic transformation of the indigenous fruit tree marula, Sclerocarya birrea subsp.caffra." Thesis, University of Limpopo ( Turfloop campus), 2005. http://hdl.handle.net/10386/1302.

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Thesis ( PhD. (Biotechnology )) --University of Limpopo, 2005<br>The marula tree (Sclerocarya birrea subsp. caffra), an indigenous, multipurpose, drought tolerant tree of Africa harbors great economic potential. Acceptance of marula-derived products internationally will directly increase the demand for marula resource. Rapid multiplication of marula trees of superior quality forms the basis of sustainable export growth. In vitro propagation and genetic improvement offer the opportunity for accelerated multiplication of selected tree material as well as to dramatically increase production, qual
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Aflatuni, A. (Abbas). "The yield and essential oil content of mint (Mentha ssp.) in Northern Ostrobothnia." Doctoral thesis, University of Oulu, 2005. http://urn.fi/urn:isbn:9514277465.

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Abstract Peppermint (Mentha x piperita L.) oil is one of the most popular and widely used essential oils, mostly because of its main components menthol and menthone. Peppermint oil is used for flavouring pharmaceuticals and oral preparations. Corn mint is the richest source of natural menthol. Carvone-scented mint plants, such as spearmint (M. spicata), are rich in carvone and are widely used as spices, and they are cultivated in several countries. Studies were made into the yield and essential oil content of several mint species and the original. The general aim of the work was to examine the
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Edesi, J. (Jaanika). "The effect of light spectral quality on cryopreservation success of potato (Solanum tuberosum L.) shoot tips in vitro." Doctoral thesis, Oulun yliopisto, 2018. http://urn.fi/urn:isbn:9789526219219.

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Abstract Cryopreservation enables storage of genetic resources at ultra-low temperatures (&#60;-150&#176;C) while maintaining viability and regeneration capability. The method is especially suitable for long-term preservation of plant materials that cannot be stored as seeds. The genetic resources of potato (Solanum tuberosum L.), one of the most important food crops in the world, are preserved almost entirely by vegetative preservation. Cryopreservation is therefore increasingly applied for securing potato genetic resources in plant genebanks. A major challenge is, however, that recovery perc
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25

Maarri, Khalil al. "Micropropagation in vitro du pommier (M9), du poirier ("williams" et "passe crassane") et du cognassier de Provence : problèmes posés par l'état physiologique du matériel." Paris 6, 1986. http://www.theses.fr/1986PA066057.

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Au cours du travail présenté dans ce mémoire, nous sommes parvenus à obtenir, de façon systématique, la micropropagation in vitro et l'acclimatation ex vitro non seulement des poiriers juvéniles issus de pépins de "passe crassane", mais aussi du cognassier de Provence et de deux cultivars de poirier, "williams" et "passe crassane". Les conditions de culture concernant les différentes phases de la micropropagation et l'acclimatation ont été étudiées. Plusieurs problèmes d'ordre physiologique (dormance des bourgeons in vitro, anomalie des pousses formées, nécrose des apex) ont pu être surmontés
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Capaldi, Flávia Regina. "Avaliação de diferentes fontes de nitrogênio em explantes de Cryptomeria japonica D.Don. "elegans" cultivados in vitro: análises bioquímicas e relações entre reguladores vegetais." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-30072002-162030/.

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A Cryptomeria japonica D. Don. "elegans" é uma conífera pertencente à família Taxodiaceae, que apresenta crescimento rápido e boas respostas à fertilização. Dez variações nas concentrações de nitrato e amônio presentes no meio de cultura MS foram realizadas no cultivo 'in vitro' de brotações obtidas a partir de explantes primários de ápices caulinares durante 90 dias. A cada 30 dias foram avaliados, a taxa de crescimento relativo e o incremento em massa vegetal seca. Ao final de 90 dias, foram realizadas análises dos teores de proteínas solúveis totais, aminoácidos solúveis totais, carboidrato
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27

Louerguioui, Ali. "Techniques de multiplication par clonage "in vitro" du genre eucalyptus." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37615472r.

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28

Bekkaoui, Faouzi. "Microbouturage in vitro et culture de méristèmes de Douglas (Pseudotsuga menziesii) : problèmes liés à l’âge et au milieu de culture." Paris 6, 1986. http://www.theses.fr/1986PA066383.

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La multiplication des microboutures au cours des subcultures est caractérisée par une évolution de l'état physiologique qui dépend de l’âge, des réserves nutritives et du milieu de culture. Parmi les problèmes qui limitent la multiplication végétative: l'hyperhydrie et le gonflement des tiges des microboutures. Le premier est caractérisé par une teneur en eau élevée, par des rapports p/na, k/na et cytokinines/auxine élevés. Le deuxième est caractérisé par une teneur élevé en zéatine+zéatine-riboside. Les méristèmes de plantes d'âges différents ont une réactivité distincte aux niveaux morpholog
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Selamoglu, Birsen Irem. "The Plant Propagation Algorithm for discrete optimisation." Thesis, University of Essex, 2017. http://repository.essex.ac.uk/20198/.

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The thesis is concerned with novel Nature-Inspired heuristics for the so called NP-hard problems of optimisation. A particular algorithm which has been recently introduced and shown to be effective in continuous optimisation is the Plant Propagation Algorithm or PPA. Here, we intend to extend it to cope with combinatorial optimisation. In order to show that our extension is viable and effective, we consider three types of problems which are good representatives of the whole topic. These are the Travelling Salesman Problem or TSP, the Knapsack Problem or KP and the scheduling problem of Berth A
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CHOUFFOT, STRUYCKEN BARBARA. "Contribution a l'etude des capacites de multiplication vegetative du shorea curtisii dyer ex king, diphterocarpaceae de malaisie." Strasbourg 1, 1986. http://www.theses.fr/1986STR13138.

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Surexploitee pour son bois, infeodee pour son developpement a une mycorhization, dependant d'une production de semences episodique et d'une germination aleatoire, shorea curtisii, incapable en outre de multiplication vegetative spontanee ou par les procedes traditionnels, est tres representatif des dipterocarpacees asiatiques menacees d'extinction rapide. Une mise au point d'un procede de micropropagation in vitro contribuerait a sauvegarder l'espece. L'observation, chez shorea curtisii, de galles epiphylles a organisation de bourgeon abortif suggerant une certaine aptitude des feuilles a la n
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Richez-Dumanois, Christine. "Multiplication vegetative et conservation in vitro d'un clone selectionne de chanvre a fibres (cannabis sativa l. ) : influence sur le developpement et la teneur en cannabinoides." Paris 6, 1987. http://www.theses.fr/1987PA066602.

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Le chanvre fait l'objet de nombreux travaux de selection portant sur la qualite de la fibre et le contenu en cannabinoides des plantes. Le but de cette etude est la mise au point pour un clone de chanvre a fibre, de methodes de multiplication vegetative et de conservation, adaptees a la selection varietable du chanvre. L'etude du bouturage horticole dans differentes conditions thermiques et photoperiodiques a montre l'effet positif de l'alternance des temperatures sur le developpement morphologique et chimique des boutures ainsi que la necessite d'un eclairement continu pour le maintien des pl
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Jingchao, Sun. "Prediction of Sound Propagation From Power Transmission Plant." Thesis, KTH, MWL Marcus Wallenberg Laboratoriet, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-121356.

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In ABB, Soundplan is the usually used software to predict the industrial noise for power transmission plants. However, the sound sources in Soundplan are modeled as point sources between which there are no sound reflections. For the real situation, the sound sources are very big and can be regarded as noise barriers. So it is important to take the reflections between sound sources into consideration.COMSOL Multiphysics is Finite Element Method (FEM) software which can model acoustic object with sound-reflective boundaries. First, the COMSOL model for single component inside the power transmiss
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Declerck-Leblanc, Véronique. "Micropropagation du rhododendron à l'échelle industrielle : aspects qualitatifs et quantitatifs." Rouen, 1988. http://www.theses.fr/1988ROUES028.

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Aspects scientifiques de la production in vitro en relation avec l'activité "recherche-développement" d'un laboratoire industriel (LBV France). Mise au point d'une technique pour 30 variétés. Détermination d'un milieu de culture optimal pour chacune des phases de développement. Recherche de marqueurs précoces de la conformité et de l'identité variétale. Utilisation de l'électrophorèse, application à 14 systèmes enzymatiques. Proposition d'essai de modélisation appliqués à la planification et à la gestion de la production. Simulation de la généralisation de la cinétique de production sur 200 va
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Xego, Sibusiso. "Hydroponic propagation of Siphonochilus aethiopicus: an endangered medicinal plant." Thesis, Cape Peninsula University of Technology, 2017. http://hdl.handle.net/20.500.11838/2421.

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Thesis (MTech (Horticultural Sciences))--Cape Peninsula University of Technology, 2017.<br>The increasing demand for medicinal plants has led into serious over-harvesting of wild populations and presents an opportunity for potential profitable cultivation. Production of medicinal plants in controlled environments particularly hydroponic technology provides opportunities for high quality biomass accumulation and optimizes production of secondary metabolites. Water availability and supplies are becoming scarce, thus search for innovative irrigation practices is desirable and vital. The proper ir
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Newell, Christopher Jack. "In vitro soil-less (IVS) rooting medium." Newell, Christopher Jack (2006) In vitro soil-less (IVS) rooting medium. PhD thesis, Murdoch University, 2006. http://researchrepository.murdoch.edu.au/227/.

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The principle hypothesis of this thesis is that hypoxia, in agar-based media, compromises rooting in vitro. From a practical point of view this is important because most plant tissue culture activities require the material to be successfully acclimatised in a nursery environment. Compromised rooting often results in excessive losses at this stage which are costly and inconvenient. In addition, many plants with commercial and/or scientific interest remain unavailable as they are not able to be rooted and acclimatised reliably. The use of agar as a rooting medium has limited the capacity of plan
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Worthey, Susan S. "Propagation of blueberries in compost amended media." Thesis, Mississippi State University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1587016.

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<p> The objective of this study was to determine the effects of propagation media containing composted material on the rooting of hardwood and softwood blueberry cuttings. The physical properties were measured at the end of the experiment. The media used were pine bark fines, composted pine bark with ammoniated nitrogen added, hardwood bark and composted chicken manure, pine bark and cotton gin waste, and control (peat moss and perlite, 1:1). All treatments resulted in a low number of rooted hardwood cuttings compared to the control. The total number of roots per cutting and alive cuttings ha
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Plume, Catherine Ann 1961. "Vegetative propagation of Arizona sycamore (Platanus wrightii) by cuttings." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277324.

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The objective of this study was to determine potential propagation of Arizona sycamore (Platanus wrightii) from cuttings for use in riparian revegetation projects. Cuttings gathered from trees in Superior, Arizona during Fall 1988 and Spring 1989, and from Madera Canyon near Tucson, Arizona in Fall 1989 were treated with various concentrations of indolebutyric acid (IBA). In all studies, numbers of rooted cuttings decreased when concentrations of greater than 5,000 ppm IBA were used. Cuttings from young trunk sprouts in Fall 1988 had a higher rooting frequency than cuttings from other source t
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Henfrey, R. D. "In vitro transcription of exogenous plant DNA." Thesis, University of Hertfordshire, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381604.

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Kibbler, Harry. "Adventitious root formation in Backhousia citriodora F. Muell : the stock plant barriers /." St. Lucia, Qld, 2002. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16741.pdf.

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Siu, Lai-ping, and 蕭麗萍. "Conservation and in vitro propagation of Hong Kong Camellias." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B31210545.

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Yardin, Catherine. "Induction, propagation, et blocage de l'apoptose neuronale in vitro." Limoges, 2000. http://www.theses.fr/2000LIMO101A.

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Hagen, Randall H. 1956. "Vegetative propagation of Cercidium, Parkinsonia, and Prosopis species." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/277321.

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Two methods of vegetative propagation, stem cuttings under mist and air layering, were examined for the 'Desert Museum' hybrid palo verde and species of Cercidium, Parkinsonia, and Prosopis. Basal cuttings of 'Desert Museum' gave higher rates of rooting than apical cuttings and showed better rooting in April than September. Two-node cuttings produced more rooted cuttings for an equal stem length than three- or four-node cuttings. Cuttings of six other species and hybrids of Cercidium and Parkinsonia, as well as six species and hybrids of Prosopis, were also successfully rooted. Indolebutyric a
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Swart, Pierre André. "Horticultural propagation of the threatened species, Syncarpha revurvata (L.f.)B. Nord." Thesis, Nelson Mandela Metropolitan University, 2006. http://hdl.handle.net/10948/613.

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Syncarpha recurvata (L.f.) B. Nord. (Asteraceae, Gnaphalieae) is listed as a vulnerable (intermediate priority) species. The propagation methods of achene germination, stem cuttings, air layering and micropropagation were investigated to obtain an efficient propagation method. Smoke water dilutions of 1:100, 1:50 and 1:10 significantly increased germination, with the 1:100 smoke water dilutions showing the highest germination percentage (22.4 percent). Achenes collected between August and October 2005 showed higher germination and viability than achenes collected between May and July 2006. Fif
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Kanakis, Andreas G. "In vitro plant regeneration studies with Capsicum annuum." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.380371.

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Herrington, Edward John. "Light quality effects on in vitro shoot proliferation of Spiraea nipponica." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/28809.

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The work on Spiraea in vitro shoot cultures was done to determine the feasibility of using light quality to modify endogenous phytohormone balances to decrease apical dominance. Such an effect would enable a reduction in the high levels of exogenous cytokinin benzyladenine (BA) applied in culture and thus reduce potential side-effects. The Spiraea in vitro light quality response was characterized by examining the effects of different light wavelengths on growth. A mixture of red/FR induced rates of shoot proliferation with 0.25 mg/1 BA that were as high as rates obtained under white light wit
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Pillai, Vilasini. "In vitro genetic manipulation of ornamental Compositae." Thesis, University of Nottingham, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238296.

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Louw, Merika. "Propagation and stress physiology of selected Subtropical Thicket species : towards increasing biodiversity at rehabilitation sites." Thesis, Nelson Mandela Metropolitan University, 2012. http://hdl.handle.net/10948/d1021115.

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Sundays Thicket and Spekboomveld vegetation in the Eastern Cape have experienced intensive and extensive degradation due to over-browsing by domestic stock. The Subtropical Thicket Restoration Project aims to take advantage of the high carbon sequestration potential of Portulacaria afra (Spekboom) and other Thicket species, to rehabilitate degraded Thicket by restoring biodiversity and ecosystem services, create job opportunities and socio-economic upliftment in local communities, and promote the trade of carbon credits generated by planting and „farming‟ with Spekboom truncheons, rather than
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Aissa, Abdi Fatima. "Mitochondrial complex I dysfunction enhances in vitro plant organogenesis." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS136/document.

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La régénération in vitro est un processus complexe largement utilisé pour la multiplication végétative ainsi qu'en recherche fondamentale pour étudier l'organogenèse. Malgré les diverses applications de la caulogenèse in vitro, les mécanismes de régulation impliqués restent mal caractérisés. Avant le début de mon doctorat, nous avons identifié un mutant d'Arabidopsis thaliana chez lequel un défaut du complexe I de la chaîne de transport d'électrons mitochondriale (CTEm) entraîne une augmentation du taux de régénération comparé au sauvage, mesurée sur des cals issus de
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Oagile, Otsoseng. "African yam bean : morphology, clonal propagation and nitrogen fixation." Thesis, University of Nottingham, 2005. http://eprints.nottingham.ac.uk/12946/.

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Morphological and growth observations made on landraces of African yam bean (AYB) used in this study confirm that this species is the most morphologically variable in the genus (Potter, 1992). Morphological characters such as seed colour, stem colour, internode length, leaf size and number of leaves per plant were found to vary between landraces. Growth and development was controlled by both genotype and environment. Flowering was observed only when plants were grown at 25°C, rather than at 30°C, with a 12 h photoperiod. Tuber formation occurred only in AYBS and not in other landraces. Growth
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Wilson, Zoe Amanda. "A study of the tissue culture and genetic manipulation of rubber (Hevea brasiliensis)." Thesis, University of Nottingham, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235687.

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