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Dissertations / Theses on the topic 'Ghanean plants'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Komlaga, Gustav. "Search for antiplasmodial compounds from Ghanaian medicinal plants." Thesis, Université Paris-Saclay (ComUE), 2015. http://www.theses.fr/2015SACLS265/document.

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Une enquête ethnobotanique a été menée en Bosomtwi et Sekyere Est Districts de la Région Ashanti, au Ghana, en utilisant des questionnaires validés pour identifier les plantes traditionnellement utilisées pour gérer le paludisme. Cinq plantes avec une utilisation élevée ont été sélectionnés et une extraction préliminaire des matières végétales sélectionnées effectuées avec de l'eau, le methanol, l'acétate d'éthyle et d'éther de pétrole. Les extraits ont été dosés pour l'activité antiplasmodiale utilisant les méthodes antiplasmodiales in vitro. Les deux les plus prometteuses plantes, Phyllanthu

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2

Domozoro, Charles Yaw Fosu. "Ethnobotany and molecular identification of poisonous plants affecting ruminant livestock in Ghana." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25814.

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3

Pesewu, George Antepim. "Antibacterial activity of plants used in traditional medicines of Ghana." Thesis, University of East London, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.532984.

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The work presented in this thesis involves scientific investigation of 25 plant species, used in traditional medicine of Ghana to treat skin disease and/or to treat antimicrobial (viral, bacterial or protozoan) infections which were identified through an ethnobotanical survey. It also involves antimicrobial screening, matrix-assisted laser desorption/ionization time of-flight mass spectrometry (MALDI-ToF-MS) for the identification of antibacterial compounds of low molecular mass in aqueous extracts of Cryptolepis sanguinolenta roots and Alchornea cordifolia leaves. The thesis consists of 3 rel

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4

Yahaya, Ewura Seidu. "The effect of three Ghanaian plants on fibroblast migration, inflammation and bacterial growth in vitro." Thesis, University of Pretoria, 2018. http://hdl.handle.net/2263/70048.

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Medical conditions which cause morbidity and mortality, such as chronic wounds and infection, lead to significant medical costs. Much of the world's population is dependent on alternative medicine, of which herbal medicine forms a crucial part. In Ghana and other countries around the world, an estimated 70% of the population rely on alternative treatments like herbs for management of various forms of disease. However, even though medicinal plants are widely used for treatment, most have not been scientifically proven to be safe and efficacious. Hence there is need to assess the biological acti

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5

Osei-Djarbeng, Samuel Nana. "Bioactivity-guided isolation and characterization of antimicrobial and wound healing constituents of some Ghanaian medicinal plants." Thesis, University of East London, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.533012.

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Screening of ethnomedicinal plants for antimicrobial activity among plants used in Ghanaian folklore medicine to treat infectious conditions was conducted on Alstonia boonei (Apocynaceae), Balanites aegyptiaca (Balatinaceae), Bidens pilosa (Compositae), Distemonanthus benthamianus (Leguminosae), Funtumia elastica (Apocynaceae), Kigelia africana (Bignonaceae), Mitracarpus villosus (Rubiaceae), Parquetina nigrescens (Asclepiadaceae) and Penianthus zenkeri (Menispermaceae). The selection of the plants was based on ethnomedicinal use and literature search and the aim was to investigate the scienti

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6

Brew-Hammond, John Peter Abeeku. "Technological accumulation and electric power generation in Sub-Saharan Africa : the case of Volta River Authority, Ghana." Thesis, University of Sussex, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363360.

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7

Boateng, Kwasi. "Improving Cocoa Production Through Lean: A Case Study of the Ghanaian Cocoa Industry." TopSCHOLAR®, 2014. http://digitalcommons.wku.edu/theses/1330.

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Cocoa has been useful in several ways, especially to countries that produce it and consumers all over the world. Its benefits range from improving economies to satisfying millions all over the world who desire one cocoa product or the other. The production of cocoa however is not without its own attendant problems. Aging tree stock, spread of diseases, and production capacity problems are, but a few of many challenges that seed gardens that produce cocoa face. This study investigated the pollination process on selected seed gardens in Ghana, the second largest world producer of cocoa. The purp

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8

Akpabey, Felix Jerry. "Quantification of the cross-sectoral impacts of waterweeds and their control in Ghana." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005435.

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The Akosombo Dam on the Volta River in Ghana was built in 1963 to provide cheap energy to fuel industry and to accelerate the economic growth of the country. It provides hydroelectric power, enhanced fishing and water transportation upstream, and improved opportunities for irrigated farming, especially in the lower reaches, and their attendant economic multiplier effects. A few years after the construction of this major dam, a rapid expansion of industrialization took place in Ghana. This brought about an exponential increase in demand for more electrical power. This led to the construction of

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9

Addo, Samuel. "Development of targeted insecticide treatment for improved storage of maize cobs on traditional platforms in Ghana." Thesis, University of Greenwich, 2003. http://gala.gre.ac.uk/10337/.

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Improvements to maize cob storage on farms in the Volta Region of Ghana were investigated with a view to limiting the damage and losses associated with the Larger Grain Borer (Prostephanus truncatus) and weevils (Sitophilus spp). The study was initiated by a survey of those technologies adopted following an earlier project to help farmers protect maize against P. truncatus. The study included farmers’ perceptions of their own storage problems and was designed to provide background information on how farmers might benefit from a novel technique of applying pesticide to only the basal layers of

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10

Yankey, Egya Ndede. "The lethal disease of coconut in Ghana : developing molecular markers and pathogen quantification techniques for the breeding of resistant or tolerant varieties." Thesis, University of Nottingham, 2012. http://eprints.nottingham.ac.uk/13953/.

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Lethal diseases (LD) of coconut caused by phytoplasmas have destroyed millions of palms globally and pose a serious threat to the coconut industry in Ghana. This study investigated the genetic basis of resistance/tolerance of coconut varieties and hybrids to LD. The study was also aimed at developing molecular markers for cultivar verification to be used for the sustainable breeding of high value varieties and hybrids. Using PCR diagnosis and monitoring of symptoms of LD over a three year period, the study determined that escapee palms of the West African Tall ecotype (WAT) found in LD-devasta

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11

Naab, JB, SMB Chimphango, and FD Dakora. "N2 fixation in cowpea plants grown in farmers' fields in the Upper West Region of Ghana, measured using 15N natural abundance." Symbiosis, 2009. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001478.

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Abstract Few studies have assessed the levels of symbiotic N nutrition in legumes grown by fanners in Africa. In this study, the shoots of cowpea plants were sampled from 63 farms in 12 villages within 5 districts of the Upper West Region of Ghana, and assessed for growth and symbiotic N nutrition. The data revealed considerable differences in cowpea plant density per m2 , plant growth, 15N natural abundance (OI5N), %Ndfa, and N-fixed among different farms under one village, and between villages under the same district, and between districts in the Upper West Region. In farms where there were

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12

Belane, AK, and FD Dakora. "Measurement of N, fixation in 30 cowpea (Vigna unguiculata L. Walp.) genotypes under field conditions in Ghana, using the 15N natural abundance technique." Balaban, 2009. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001672.

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Abstract In 2005 and 2006, 30 and 15 cowpea genotypes were respectively evaluated for plant growth and symbiotic performance at Manga in Northern Ghana, in order to identify Nz-fixing potential of these cowpea genotypes as source of N for cropping systems. The results showed differences in biomass production by the 30 or 15 cowpea genotypes. In 2005, cultivars Fahari, Mchanganyiko, IT97K-499-39, IT93K-2045-29 and IT84S-2246 produced the most shoot biomass, while Apagbaala, Brown Eye, ITH98-46, Vita 7 and Iron Grey produced the least. Of the 15 genotypes tested in 2006, cv. TVu1l424 produced th

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13

Belane, AK, and FD Dakora. "Symbiotic N2 fixation in 30 field-grown cowpea (Vigna unguiculata L. Walp.) genotypes in the Upper West Region of Ghana measured using 15N natural abundance." Springer, 2009. http://encore.tut.ac.za/iii/cpro/DigitalItemViewPage.external?sp=1001434.

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Abstract In this study, 30 cowpea genotypes were assessed for symbiotic N2 fixation in 2005, and 15 of them were reevaluated in 2006 using the 15N natural abundance technique. Shoot dry matter yield of cowpea genotypes increased significantly in cvs. Vuli-1, Glenda, IT93K-2045- 29, IT90K-59, Omondaw, Apagbaala, and IT84S-2246 in 2005 producing about 3.0 to 3.6-fold more biomass relative to cv. Vallenga. In 2006, seven out of the 15 cowpea genotypes tested (namely, IT97K-499-39, TVu11424, Botswana White, IT84S-2246, Sanzie, Brown Eye, and Glenda) also produced more dry matter than cv. CH14. Sho

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14

Kennedy, Claire Anne. "How do students learn about distant places? : a critical analysis of how students' perceptions of Ghana change over a unit of work." Thesis, University of Cambridge, 2018. https://www.repository.cam.ac.uk/handle/1810/270725.

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This thesis draws upon poststructuralist theory, case study methodology, and multiple research methods to explore children’s representations of distant places, particularly African places such as Ghana. It investigates the ways in which a particular group of children’s representations of Ghana can be understood as exemplifying an ‘exoticist’ way of thinking explored by Edward Said in his seminal studies Orientalism (1978) and Culture and Imperialism (1993), and it explores how and to what extent these representations shifted over the course of a unit of geography teaching on Ghana. The researc

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15

Somevi, Joseph Kwame. "The potential role of strategic environmental assessment (SEA) in the development of sustainable energy policies, plans and programmes for Ghana." Thesis, Oxford Brookes University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247794.

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16

Koney, Enoch B. M. "Seasonal prevalence and distribution of ticks on the Accra Plains of Ghana and their association with dermatophilosis." Thesis, University of Edinburgh, 1992. http://hdl.handle.net/1842/29839.

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The professional and scientific literature on the epidemiology, treatment and economic importance of dermatophilosis has been reviewed, particular attention being paid to the role of ticks, especially <i>Amblyomma variegatum</i> in causing overt disease and tick associated losses. In addition chemical and alternative methods of tick control including the use of resistant breeds of cattle, modification of vegetation and the microclimate, the introduction of tick-resistant grasses and host vaccination against ticks are discussed. An experiment herd of 26 animals and five local herds containing 6

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17

Owusu, Victor Lord. "The Making of Development Policies and Plans : The Case of Ghana s relationship with the international monetary fund and the world bank." Thesis, Durham University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505887.

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18

Claon, Jean Stéphane. "Exposition au mercure, à l'arsenic et au sélénium de l'écosystème et des populations riveraines de la lagune Aby (Côte d'Ivoire - Ghana) : recherche de bioindicateurs." Montpellier 1, 2004. http://www.theses.fr/2004MON13505.

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La cholécystokinine (CCK) est une hormone peptidique impliquée dans de nombreuses réponses biologiques, dont la régulation de la satiété au travers de sa liaison sur le récepteur CCK1. Elle induit également l'activation de la voie p38 MAP kinase. Cette protéine joue un rôle majeur dans les maladies inflammatoires. De ce fait, de nombreux inhibiteurs ont été développés, comme les composés SB202190 et SB203580. Cependant, il a été démontré que le composé SB203580 était capable d'inhiber significativement l'activité d'autres protéines kinases. Nous avons observé que le SB202190 et le SB203580 ont

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19

Thorn, Jessica Paula Rose. "Ecosystem services, biodiversity and human wellbeing along climatic gradients in smallholder agro-ecosystems in the Terai Plains of Nepal and northern Ghana." Thesis, University of Oxford, 2016. https://ora.ox.ac.uk/objects/uuid:3319dafc-5b0c-436a-b653-a623fc3e8de4.

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Increasingly unpredictable, extreme and erratic rainfall with higher temperatures threatens to undermine the adaptive capacity of food systems and ecological resilience of smallholder landscapes. Despite growing concern, land managers still lack quantitative techniques to collect empirical data about the potential impact of climatic variability and change. This thesis aims to assess how ecosystem services and function and how this links with biodiversity and human wellbeing in smallholder agro-ecosystems in a changing climate. To this end, rather than relying on scenarios or probabilistic mode

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20

Angnuureng, Donatus Bapentire. "Shoreline response to multi-scale oceanic forcing from video imagery." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0094/document.

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Le but de cette étude était de développer une méthodologie pour évaluer la résilience des littoraux aux évènements de tempêtes, à des échelles de temps différentes pour une plage située à une latitude moyenne (Biscarrosse, France). Un site pilote des tropiques, la plage de Jamestown (Ghana), non soumis aux tempêtes, a également été analysé. 6 ans (2007-2012) de données sur la position du trait de côte,obtenues quotidiennement par imagerie vidéo, ainsi que les prévisions hydrodynamiques (ECMWF EraInterim) ont été analysées. Le climat de vagues est dominé par les tempêtes (Hs> 5% de seuil de

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21

Darko, Isaac N. "Ghanaian Indigenous Health Practices: The Use of Herbs." Thesis, 2009. http://hdl.handle.net/1807/18072.

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Herbal medicines remain integral part of indigenous health care system in Ghana. Most conventional health medicines are directly or indirectly derived from plants or herbs. Despite its significant role in modern medicine indigenous herbal practices has been on the low light for some time due to perceived antagonistic relationship that exists between practitioners of herbal medicine and their counterpart in the conventional system. Using an indigenous knowledge discursive framework, the thesis examined the relevance of herbal medicine to the contemporary Ghanaian society. The thesis also examin

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22

Coppin, Julia. "A study of the nutritional and medicinal values of Moringa oleifera leaves from sub-Saharan Africa Ghana, Rwanda, Senegal and Zambia." 2008. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17294.

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23

Caldwell, Katherine I. "Assigning medicinal plant value and estimating traditional environmental knowledge in Ghana, Africa using ethnobotanical measures." 2007. http://www.lib.ncsu.edu/theses/available/etd-05022007-144848/unrestricted/etd.pdf.

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24

Dietrich, Kathleen Ann Tschakert Petra. "Managing water resources under climate variability and change perspectives of communities in the Afram Plains, Ghana /." 2008. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-2774/index.html.

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