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Rozprawy doktorskie na temat „Clover”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Heeb, Nick. "The Lucky Clover." Bowling Green State University / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1522146192847002.

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Kuschel, Nolberto German Teuber. "Investigation of physiological factors determining white clover persistence in grass/clover swards." Thesis, Queen's University Belfast, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333854.

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3

Steinkraus, Emma. "Catalpa, burdock, clover, worm." Thesis, University of Iowa, 2016. https://ir.uiowa.edu/etd/3196.

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This work is regarded as casting symbolic spells: spells for the health of degraded prairie remnants, the thriving of bats, fearlessness, romantic love. Spells are a call for transformation, and images of transformation occur throughout the work - snakes molting, mummies decaying, insects in metamorphosis. Whether examining a construction site or the end of a relationship, the author is asking herself "when is change good and when is it catastrophic?" Right now the author is looking closely at punk, witchy contemporary artists like Rosy Keyser, Maria Loboda, Marisa Merz, Victor Man, and Sterl

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4

Walsh, Mark. "Mud, Twigs, and Clover." PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/5181.

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The stories collected within this thesis are, by and large, tales of loss. To be more specific, the following losses occur: one brother, two lovers, a doting former sister-in-law, one's own health, certain freedoms, (including a room with a view,) life itself (twice,) and innocence, forever gone in an absent-minded moment of brutality. Chronology is toyed with somewhat, more so towards the beginning of this collection, less so towards the end. The opening story, "Three Kitchens," is comparatively unique in that it is the sole work written in the first person. While it fits thematically within

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5

Youlin, Tang M. S. "Response of Leaf Protein to Ozone in Two White Clover Clones." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/46494.

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A white clover ( Trifolium repens ) system, based on one ozone-sensitive (NC-S) and one ozone-resistant (NC-R) clone, has been developed as an indicator to estimate the effects of tropospheric ozone on plant biomass production. A reduction in the vegetative biomass ratio (NC-S/NC-R) of the clones was correlated with increasing concentrations of ozone during a 28-day exposure period. However, the mechanism of ozone sensitivity or tolerance at the biochemical or molecular level is not known. Superoxide dismutase isozyme activities in the two clones did not respond differently to ozone treatment.

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6

Lee, Lai-ying Rosita. "Genetic diversity and phylogenetic relationships of sweetclovers (Melilotus) germplasm resources /." Hong Kong : University of Hong Kong, 1999. http://sunzi.lib.hku.hk/hkuto/record.jsp?B21090208.

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7

Montpetit, Jean-Marc. "Inheritance and agronomic significance of adventitious root development in red clover (Trifolium pratense L.)." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=60530.

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Adventitious root growth from the crown of red clover constitutes a major portion of the root system in older stands. Two 2 yr old production fields and 3 yr old research plots were sampled in springs of 1988 and 1989 to determine the relationship between spring vigor and two root types of red clover. A higher average spring vigor rating was generally associated with the presence of well developed adventitious roots.<br>Five hundred and fifty-six red clover plants were dug in the fall of 1988 from a space planted (1 x 1 m centers) nursery established in the spring of the same year. Two diverge

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8

李麗瑩 and Lai-ying Rosita Lee. "Genetic diversity and phylogenetic relationships of sweetclovers (Melilotus) germplasm resources." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1999. http://hub.hku.hk/bib/B31221269.

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9

Chapman, Ross. "The effect of slurry in the maintenance of the clover component in mixed grass/clover swards." Thesis, University of Aberdeen, 1988. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU022515.

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Low input grassland systems depend on cheap fertiliser sources, such as clover or animal manures, to maintain sward productivity. Clover is a poor competitor for phosphate (P2O5) and potash (K2O), a mixed sward will therefore require adequate inputs of these nutrients. Nitrogen (N) leads to the suppression of clover. Recycling of cattle slurry would be followed by small N and P2O5 but large K2O effects. The K2O and P2O5 would be expected to have a beneficial effect on the clover while the N would be detrimental. Two investigations into the balance between these aspects of cattle slurry on clov

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10

Symon, David. "Taxonomy and biology of Australasian solanaceae with additional studies of associated vegetation components /." Title page, contents and abstract only, 1995. http://web4.library.adelaide.edu.au/theses/09SD/09sds9878.pdf.

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11

Sparks, Bret Andrew. "Reduced Inputs Turfgrass Through White Clover Inclusion." UKnowledge, 2014. http://uknowledge.uky.edu/pss_etds/41.

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Most managed turfgrass species require frequent inputs to maintain an acceptable level of quality. Among these inputs, nitrogen (N) fertilization is usually the most limiting in terms of growth and development. However, N fertilization is also linked to non-point source (NPS) pollution. White clover (WC) is known for its ability to provide N when mixed into stands of turfgrass, and does not pose a threat for NPS pollution. Two field studies were designed to investigate the effects of WC inclusion in stands of cool-season turfgrasses. In the first field study, three cultivation techniques were

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12

Baines, R. N. "Interactions between white clover and pasture grasses." Thesis, University of Reading, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.383598.

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13

Gros, SeÌbastien Alexandre Adrien. "Characterisation of an exogam clover germanium detector." Thesis, University of Liverpool, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.427018.

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14

Delhaize, Emmanuel. "Biosynthesis of copper metalloenzymes in subterranean clover." Thesis, Delhaize, Emmanuel (1986) Biosynthesis of copper metalloenzymes in subterranean clover. PhD thesis, Murdoch University, 1986. https://researchrepository.murdoch.edu.au/id/eprint/51718/.

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Subterranean clover (Trifolium subterraneum L. cv. Seaton Park) was grown in solution cultures containing adequate nitrogen both with and without copper. After copper deficiency had developed, Cu2+ was added to some deficient plants and copper content, protein content and activities of three copper met a 11oenzymes, (diamine oxidase DAO; [EC 1.4.3.63, ascorbate oxidase EEC 1.10.3.33 and .o-diphenol oxidase EEC 1.10.3.13), were assayed in young and recently matured leaf blades over 11 days during the development of the next three leaves. Copper deficiency had little effect on protein concen

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15

Nichols, Phillip Geoffrey Harwood. "Evolution in sown mixtures of subterranean clover (Trifolium subterraneum L.)." University of Western Australia. School of Plant Biology, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0008.

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[Truncated abstract] Evolution in two genetically diverse sown populations of subterranean clover (Trifolium subterraneum L.) was examined over 16 years at Mt Barker, a long growing season site, and at Nabawa, a short growing season site, in south-west Western Australia. One population consisted of a mixture of 40 strains sown in equal proportions, while the other was a bulk-hybrid population consisting of F2 seed from 253 crosses. Seed harvested annually and kept in cold storage was grown in an irrigated common garden at the University of Western Australia Field Station at Shenton Park, alon

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16

Harrod, Richy J. "Demography and disturbance ecology of Iliamna longisepala and Trifolium thompsonii, two endemic species of the Wenatchee Mountains, Washington /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/5594.

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17

Kempster, Valerie N. "Soil microbes as potential control agents for plant-parasitic nematodes in pasture /." Title page, contents and summary only, 2000. http://web4.library.adelaide.edu.au/theses/09ACP/09acpk32.pdf.

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18

Braine, Lee Valentin. "Design and implementation of an object-oriented functional language." Thesis, University College London (University of London), 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325601.

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19

Cepeda, Hernandez Martha Lucia. "Phenotypic characterization of rhizobia that nodulate ball clover." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2636.

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A total of 43 Rhizobium leguminosarium bv. trifolii isolates were obtained from soil samples of two ball clover (Trifolium nigrescens) pastures from Iola and Kilgore (Texas) using ball clover as capture plants. The isolates were phenotypically characterized by intrinsic antibiotic resistance (IAR) against a range of concentrations of eight antibiotics, and by the utilization of 95 different carbon sources (BIOLOG system). The rhizobial isolates were also evaluated for their tolerance to salinity, high temperatures and low pH. The isolates showed two different ranges of growth rates: fast-growi

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20

Monks, D. P. "The vegetative and reproductive development of balansa clover." Lincoln University, 2009. http://hdl.handle.net/10182/1337.

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The vegetative and reproductive development of balansa clover (Trifolium michelianum Savi.) were quantified in relation to the environmental drivers of each phenophase in field and controlled environments. In a grazed experiment over 6 years, balansa clover sown with cocksfoot (Dactylis glomerata) contributed 1.6 t DM/ha/year, or ~20% of the total DM production. However, grazing management for increased seed production during flowering in the establishment year strongly influenced balansa clover regeneration. The earliest closed plot (September) averaged between 2.2 and 4.3 t DM/ha/year of bal

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21

Berrington, A. C. "Co-evolution of white clover to associated mycorrhizae." Thesis, Bangor University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381917.

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22

Clark, Sonya A. "Herbicide effects on white clover growth and nodulation." Thesis, University of Canterbury. Microbiology, 1987. http://hdl.handle.net/10092/6909.

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Five herbicides commonly used for suppression of weed growth in white clover seed crops were tested for toxicity against white clover (Trifolium repens), Rhizobium trifolii and the nitrogen fixing symbiosis formed between these two organisms. Trials were carried out on R.trifolii on solid and in liquid media to determine if growth of this bacterium was affected by the presence of the 5 herbicides. Paraquat and MCPB substantially inhibited bacterial growth on solid medium. Bentazone, fusilade and kerb caused very small zones of growth inhibition of R.trifolii on solid agar at high concentration

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23

Heshmati, Sara [Verfasser], Johannes [Akademischer Betreuer] Isselstein, Johannes [Gutachter] Isselstein, Stefan [Gutachter] Siebert, and Klaus [Gutachter] Dittert. "Effect of white clover and perennial ryegrass genotype on yield and forage quality of grass-clover and grass-clover-forb mixtures / Sara Heshmati ; Gutachter: Johannes Isselstein, Stefan Siebert, Klaus Dittert ; Betreuer: Johannes Isselstein." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2019. http://d-nb.info/1186372702/34.

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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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25

Sivesind, Evan. "Factors affecting isoflavone concentration in red clover (Trifolium pratense L.)." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=84075.

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Red clover (Trifolium pratense L.) contains isoflavones, which are of interest because of their benefits for human health as well as their adverse effects on the fertility of farm animals. Isoflavone concentration in 10 cultivars ranged from 8923 to 12753 mug g-1 DM averaged across sites, harvests, and years. One cultivar, 'Start', distinguished itself with particularly low isoflavone levels. Concentrations varied according to plant part with leaves having the highest levels followed by stems and inflorescences, when averaged across maturity levels and cultivars (11970, 4896 and 3297 mu

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26

Enríquez, Hidalgo Daniel. "Strategies to optimise white clover (Trifolium repens L.) content in grass white clover swards to consistently replace inorganic nitrogen in grazing systems." Thesis, Queen's University Belfast, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.673846.

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Mixed perennial ryegrass white clover (WC) swards (GWc) provide a sustainable nitrogen source for grazing systems and improve herbage quality, but sward WC content and nitrogen fixation can be suppressed by fertiliser nitrogen application. Differences in structural characteristics between the species can affect dairy cow digestion process and performance. In this thesis aspects related to the effect of nitrogen fertilizer application on intensively grazed GWc and grass only swards (GO) and the effects of grazing both swards on dairy cow feeding behaviour, herbage depletion rate, rumen function

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27

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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Kemball, W. D. "Source-sink interrelationships in white clover (Trifolium repens L.)." Thesis, Bangor University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333705.

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Martin, Pierre. "Genetic studies on resistance to alfalfa mosaic virus (AMV) and tolerance to white clover mosaic virus (WCMV) in red clover (Trifolium pratense L.)." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61820.

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30

Trowbridge, R. L. "Effects of Trifolium-Rhizobium symbiosis on Pinus contorta regeneration, forest soil, and selected native plant species." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/29199.

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This study reports on the early effects of the Trifolium hybridum-Rhizobium symbiosis on Pinus contorta Doug, ex Loud (lodgepole pine), soil, and selected native plant species. Four rates of seeding (0, 10, 20, and 30 kg/ha) using inoculated Trifolium hybridum (alsike clover) seed were applied to three different site preparation treatments (broadcast burn, windrow burn, and mechanical scraping) using a split-plot design. Alsike clover and the Rhizobium inoculant were found to have excellent establishment and infectivity, and the symbiosis was assessed to be fixing nitrogen effectively. No ef

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Atal, Chomali Vicente. "La era inflamatoria del universo en teorias de bigravedad: perspectivas teóricas y observacionales." Tesis, Universidad de Chile, 2012. http://www.repositorio.uchile.cl/handle/2250/111125.

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Magíster en Ciencias, Mención Astronomía<br>Este trabajo representa un primer intento para unir el paradigma inflacionario con teorías de bigravedad. Por una parte, inflación es un período hipotético dentro de la historia del Universo durante del cual el Universo hubo de expandirse aceleradamente. Este tipo de expansión podría dar cuenta de la homogeneidad y geometría del Universo, además que explicaría el origen de las estructuras que hoy medimos en el Universo. Por otra parte, es bien sabido que la teoría de Relatividad de Einstein necesita de modificaciones, tanto por su incompatibilidad co

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32

Kongkiatngam, Prasert. "Short-term biomass production of red clover (Trifolium pratense L.) and its inheritance." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61152.

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The objective of this study was to evaluate the short-term (one-year) biomass production in red clover and to obtain an estimate of the heritability of this characteristic. Progenies from parents with high biomass had higher biomass than those from parents with low biomass or having one parent in each category. The narrow-sense heritability estimated from mid-parent offspring regression was 0.23, from parent-offspring correlation was 0.22, and realized heritability was 0.15, indicating that progeny testing would be required for successful selection of populations with greater biomass productio

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33

Thompson, L. "The influence of radiation quality on the behaviour of grassland species." Thesis, Bangor University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234470.

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Newton, P. C. D. "The establishment, growth and fate of white clover plants : With special reference to the physiology of stolon growth." Thesis, Bangor University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379353.

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Shakeel, Mohammad Arshad. "The pest status of some invertebrate species associated with white clover Trifolium repens L." Thesis, Queen's University Belfast, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329393.

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Srinivasan, Indira. "Isolation and detection of bean yellow mosaic, clover yellow vein and peanut stunt viruses from Trifolium L. species." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09122009-040402/.

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Phelps, Debbie. "Isoflavonoid induction and nitrogen assimilation in AM colonized red clover." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26744.

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This study postulates that the symbiosis between red clover, Trifolium pratense L., and the arbuscular mycorrhizal (AM) fungus, Glomus intraradices Schenck & Smith, enhances secondary phenolic metabolism and nitrogen assimilation. To test this hypothesis, the four objectives set forth were to determine the impact of AM colonization and/or rhizobial inoculation in red clover on the: (1) growth parameters; (2) nitrogen assimilation, via the activity of glutamine synthetase (GS, E.C. 6.3.1.2), total N content and soluble protein concentration; (3) contents of isoflavonoids (e.g. genistein, daid

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Lemieux, Claudel. "Influence of barley, red clover and weeds on timothy stands." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=75357.

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Two experiments were conducted between 1983 and 1985. In each case, timothy was established with or without barley, red clover, broadleaf weeds and grassy weeds. Four and six weeks after seeding, botanical composition, soil water-content, soil nutrient-content, light interception, and plant coverage data were obtained. The plots were then harvested once during establishment year and twice during subsequent years. At harvest, yield, botanical composition, and forage quality were obtained. Companion-cropping precluded forage cut during establishment and decreased forage yield during the first pr

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Franzmayr, Benjamin. "Metabolic Engineering of Isoflavonoid Biosynthesis in Tobacco and White Clover." Thesis, University of Canterbury. Biological Sciences, 2011. http://hdl.handle.net/10092/5568.

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Isoflavonoids are a class of plant secondary metabolites which have multiple biological roles in plants as pest feeding deterrents, phytoalexins and signals to rhizobial microbes. Some isoflavonoids, or their breakdown products, are estrogenic when ingested by animals, and pastures with high levels of the isoflavonoid formononetin can cause sterility in ewes. White clover has low levels of isoflavonoids and is susceptible to pests like the clover root weevil. The overall aim of this project was to test whether isoflavonoids could be manipulated in white clover through metabolic engineering. T

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40

Weng, Ziming. "Replication and recombination of the Red clover necrotic mosaic virus." Diss., The University of Arizona, 2002. http://hdl.handle.net/10150/280079.

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In this study, Red clover necrotic mosaic virus (RCNMV) was used to better understand the functions of replication proteins and to identify the terminal promoter element involved in viral replication. RCNMV genome contains two positive-sense, single-stranded RNAs. RNA-1 encodes two proteins essential for viral replication: p27 and p88. p88 is a fusion protein containing p27 at its N terminus and RNA dependent RNA polymerase motifs at its C-terminal domain. The function of p27 is not known. In this work, studies of RNA-1 chimerical clones between a highly infectious clone and a poorly infectiou

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41

Nurjaya, I. Gusti Made Oka. "Studies on the competitive ability of white clover (Trifolium repens L.) in mixtures with perennial ryegrass (Lolium perenne L.) : the importance of non-structural carbohydrate reserves and plant traits /." Title page, contents and summary only, 1996. http://web4.library.adelaide.edu.au/theses/09APSP/09apspi11.pdf.

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Garand, Marie-Josée. "Management of nitrogen from underseeded clover and manures in spring wheat." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ50167.pdf.

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Stone, Carol E. "Rhizobium strain selection by white clover under conditions of acidity stress." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.335442.

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44

Fowbert, John A. "Nodulation and nitrogen fixation by white clover (Trifolium repens L.) in the presence of mineral nitrogen." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329349.

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Parmenter, Graeme. "The effect of soil water shortage on ryegrass and white clover growing in mixtures." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.278085.

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46

Kertulis, Gina Marie. "Effects of nitrogen and cutting management on root growth and productivity of a Kentucky bluegrass (Poa pratensis L.) and white clover (Trifolium repens L.) pasture." Morgantown, W. Va. : [West Virginia University Libraries], 2001. http://etd.wvu.edu/templates/showETD.cfm?recnum=1882.

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Thesis (M.S.)--West Virginia University, 2001.<br>Title from document title page. Document formatted into pages; contains ix, 101 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 78-87).

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47

Payne, Kathryn Marie. "ENHANCED EFFICIENCY NITROGEN FORMULATION EFFECT ON GRASS-LEGUME PASTURE PRODUCTIVITY." UKnowledge, 2019. https://uknowledge.uky.edu/pss_etds/113.

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The use of nitrogen (N) fertilizer is generally restricted on mixed species forage systems due to its stimulatory effect on grasses which increases competition with legume species. Reduced legume growth from this competition can compromise forage nutritive value and prospective yields. The controlled-release nature of several enhanced efficiency fertilizer N products holds the potential to improve legume persistence in mixed species pastures while providing supplemental N required by the grass component. The studies contained in this dissertation evaluated the effect of different enhanced effi

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48

McLean, Nancy L. "A genetic study of somatic embryogenesis in red clover (Trifolium pratense L.)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24779.pdf.

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Greyson, Philip R. "Corn (Zea mays L.) production in a grass/clover living mulch system." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ36453.pdf.

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Cook, Robyn. "Selection and evaluation of rhizobial strains beneficial to red clover and potato." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ49332.pdf.

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