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Tesis sobre el tema "Barley Physiology"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 28 de enero de 2023

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1

Foroutan-Pour, Kayhan. "Aspects of barley post-anthesis nitrogen physiology." Thesis, McGill University, 1994. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22730.

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The protein concentration of cereal grains is low and the production of cereal crops with increased grain protein concentrations is desirable. This work investigates the physiological aspects of protein accumulation potential in barley grain. A recently developed perfusion system was used in four experiments conducted in 1993 and 1994. In the field experiment, plants were allowed to take up urea at 15 or 30 mM N, or ethephon at 15 $ mu$ M. Abscisic acid and 2,4-D decreased total seed weight spike$ sp{-1}$. Gibberellic acid and 2,4-D increased seed protein concentration and content, while ABA d

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2

Carden, David Eoin. "The cell physiology of barley salt tolerance." Thesis, University of Sussex, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.298670.

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3

Robert, Louis. "Weight of grains in cultivars of spring barley (Hordeum vulgare L. emend. Lam.) in relation to tillering and plant density." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65347.

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4

Ma, Baoluo. "The apical development, and the effects of chlormequat and ethephon on the development, physiology and yield of spring barley /." Thesis, McGill University, 1991. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70213.

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Plant growth regulator(s) (PGR) can be used as lodging inhibitors and/or yield promoters for spring barley (Hordeum vulgare L.). From 1987 to 1990 four field experiments were conducted to monitor barley main-stem apical development and to determine the effects of chlormequat (CCC) and ethephon on the development, physiology and yield of spring barley. Our data provide a description of barley apical development and the general pattern of leaf and spikelet primordium production under field conditions. In general, PGR treatment reduced the apical dominance of dominant sinks allowing the survival

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5

Chalmers, Kenneth James. "The development and utilization of genetic markers for barley." Thesis, University of St Andrews, 1992. http://hdl.handle.net/10023/14402.

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The development of new and novel polymorphic assay methods represents one of the most significant developments in plant and animal biology. The exploitation of these genetic markers is of relevance to both applied and fundamental research. Recombinant DNA technology provides the opportunity to develop phenotypically neutral genetic markers in any organism from which DNA can be extracted. The research described in this thesis has focused on the development, evaluation and exploitation of genetic markers in barley. Both protein and DNA based molecular markers were evaluated as a means of detecti

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6

Ramirez, Herbert 1959. "Flower and seed size in barley (Hordeum vulgare L.)." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291929.

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This study was designed to explore correlations between flower and seed characters and the relationship of flower and seed characters to yield. Thirty six lines selected from Composite Cross XXXII material were planted in a randomized block design with four replications. At anthesis, spikes from each plot were collected and fixed in 70% alcohol. At the same time, an equivalent spike was tagged to be harvested at maturity. Measurements of flower characters were made on the preserved spikes and seed. Length, width and weight were obtained on the mature spikes. Flower volume was calculated by mul

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7

Hindley, Eve Madelaine. "The effects of experimental fungicides on the yield physiology of wheat and barley." Thesis, University of Nottingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288783.

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8

Smith, Oliver. "Small RNA-mediated regulation, adaptation and stress response in barley archaeogenome." Thesis, University of Warwick, 2012. http://wrap.warwick.ac.uk/57032/.

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Small RNA are short, 18-25 nt molecules that regulate gene expression in plants and animals. Two main types, microRNA (miRNA) and short interfering RNA (siRNA) perform this regulation by transcript silencing, translation inhibition, DNA methylation and chromatin remodeling. This thesis is an investigation into small RNA activity in archaeological plant material, specifically barley grain from Qasr Ibrim, a multi-period archaeological site in southern Egypt. It is of particular interest due to its unusual phenotype, suggestive of stunted development that is unexpected in a staple, domesticated

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9

Voltas, Velasco Jordi. "Barley improvement and yield constraints in Mediterranean environments: binterfacing crop physiology with plant breeding." Doctoral thesis, Universitat de Lleida, 1998. http://hdl.handle.net/10803/8345.

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L'ordi (Hordeum vulgäre L.) és un cereal de zones temperades conreat extensament en<br/>climes mediterranis. Es desenvolupa favorablement en àrees de pluviometria mitjana anual<br/>superior a 250 mm. Durant les darreres dècades, els increments en rendiment deguts a activitats<br/>de millora genètica han estat poc importants a causa, probablement, de la limitació que la sequera<br/>i altres estressos abiòtics exerceixen sobre el creixement. Futurs increments poden veure's<br/>accelerats per un millor coneixement dels processos que controlen el creixement i<br/>desenvolupament i que limiten la p

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10

Naidu, Bodapati Purushothama. "Variability in the accumulation of amino acids and glycinebetaine in wheat and barley under environmental stress /." Title page, table of contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phn155.pdf.

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11

Muhammed, Amal Abbas. "Investigations into the characteristics of historic barley varieties with reference to fungal diseases and physiology." Thesis, University of Sunderland, 2012. http://sure.sunderland.ac.uk/3532/.

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The aim of this study was to characterise modern and historic barley varieties for agronomic and growth characteristics and to assess their resistance to Fusarium and mildew diseases. Barley is a major agricultural crop cultivated throughout the world providing an important source of energy and protein for humans and animals. To achieve its potential, however, it must be carefully managed to avoid diseases particularly those caused by fungi which can cause serious economic losses and affect food safety and quality. Contemporary barley varieties have been selected for yield and disease resistan

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12

Hetherington, P. R. "An investigation of some physiological effects of freezing and flooding on winter barley (Hordeum vulgare L.)." Thesis, University of Newcastle Upon Tyne, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373901.

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Some physiological effects of freezing and flooding were studied on winter barley (Hordeum vulgare L.). The effects of freezing on plants grown under field conditions were determined by comparing plants exposed to naturally-occurring freezing temperatures with plants protected from such temperatures by thermostatically-controlled soil heating cables. The results from field trials in 1982/83 and 1983/84 showed the effects of freezing to include: (i) A reduction in the establishment of late-sown plants due to soil heaving. (ii) A retardation of plant and apical development. (iii) Occasional tran

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13

Luna, Ruiz Jose de Jesus 1959. "The crown system of barley: I. Temperature, seeding depth and genotypic effects II. Classification and description." Thesis, The University of Arizona, 1992. http://hdl.handle.net/10150/291560.

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Little is known about the crown system and its association with plant growth and development in spring cereals. This study investigated temperature, seeding depth and genotypic effects on crown development of barley; relationships between crown and seminal root systems; and classification and description of crown systems under deep seeding. Two greenhouse experiments were performed using PVC tubes. Low temperature and deep seeding reduced percentage and rate of emergence but increased crown number, crown depth, and crown weight in most genotypes. Crown number, crown depth and crown weight show

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14

Harrouni, Moulay Cherif. "The effect of water stress on growth and development of barley (Hordeum distichum (L.) Lam.) and tef (Eragrostis tef (Zucc.) Trotter)." Thesis, Bangor University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.236436.

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15

Materechera, Simeon Albert. "The influence of soil organic matter on changes in leaf water potential of barley (Hordeum vulgare L.) during repeated cycles of moisture stress /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63288.

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16

Ugarte, Huanca Edwin Gonzalo. "Energy value in llamas (Lama glama) fed with alfalfa hay (Modicago sativa) and barley (Hordeum vulgare) for apparent digestibility in vivo in the National Camelid Germplasm Bank (CEAC)." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/5442.

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In this experiment, we used four male llamas that were three to four years of age from the Khara race. They were divided into two ad libitum feeding groups. The digestible energy (ED) was determined using samples that were sent to the laboratory. These samples were derived from a conventional in vivo assay using the method of total fecal collection in order to determine the difference between energy consumed and energy excreted. Metabolizable energy was calculated by deducting digestible energy, energy loss in the urine and energy loss in the gases (methane). Urinary energy was determined thro

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17

Hodge, Brian Allen. "Occurrence, Diversity, and Impact of Viruses in Ohio." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1606307407425512.

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18

Unver, Turgay. "Detection And Characterization Of Plant Genes Involved In Various Biotic And Abiotic Stress Conditions Using Ddrt-pcr And Isolation Of Interacting Proteins." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609805/index.pdf.

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The main objective of this thesis dissertation is functionally characterizing the genes involved in biotic and abiotic stresses of plants at molecular level. Previously, upon pathogen attack Rad6 gene expression was found to be changed in wheat and barley plants. To functionally characterize the Rad6 gene, VIGS (Virus induced gene silencing) system was used. HR (Hypersensitive response) like symptoms was detected in every silenced barley and wheat plants. To figure out, transcriptomes and proteomes of Rad6 silenced plants were analyzed. 2-D PAGE analysis was also performed on silenced and cont

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19

Gentine, André. "Modeles theoriques et physiques, dependants ou independants de la gravite dans l'epreuve calorique du vestibule chez l'homme : definition, apport et interpretation de l'epreuve monothermique bidirectionnelle." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13007.

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Proposition d'un modele mecanique global du fonctionnement du canal semi-circulaire (csc) en considerant celui-ci comme une structure gonflable. Decomposition en un modele hydrostatique et un modele tenant compte des deplacements liquidiens sous l'action des contraintes internes et des variations de pression osmotique. Test sur un modele physique du csc et simulation sur ordinateur

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20

CHEN, XIU-YU, and 陳琇瑜. "THE EFFECTS OF WATER DEFICIENCY ON THE PHYSIOLOGY AND YIELD OF MAIZE AND BARLEY." Thesis, 1990. http://ndltd.ncl.edu.tw/handle/67824249470734720739.

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博士<br>國立中興大學<br>植物學研究所<br>79<br>Water is one of the important environmental factors that effect plant growth. In Taiwan, the cultivations of field crops are often failed by the water stress due to the geographical and weather conditions. Therefore, it is necessary to understand the response of plants under water stress condition, and the relationship between drought-resistance and yield capacity for the purpose of improving the rotation system of cultivated crops. In the present experiment

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21

Naidu, Bodaparti Purushothama. "Variability in the accumulation of amino acids and glycinebetaine in wheat and barley under environmental stress." 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phn155.pdf.

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22

Naidu, Bodapati Purushothama. "Variability in the accumulation of amino acids and glycinebetaine in wheat and barley under environmental stress / by Bodapati Purushothama Naidu." Thesis, 1987. http://hdl.handle.net/2440/18636.

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23

Szczerba, Mark. "Physiology of Potassium Nutrition in Cereals: Fluxes, Compartmentation, and Ionic Interactions." Thesis, 2008. http://hdl.handle.net/1807/11267.

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Potassium (K+) is an essential nutrient and the most abundant cation in plant cells. Plants possess two transport systems for K+ acquisition: a high-affinity system (HATS), operating at external K+ concentrations ([K+]ext) below 1 mM, and showing reduced transport activity in the presence of ammonium (NH4+); and, a low-affinity system (LATS), operating at [K+]ext above 1 mM, that is not affected by NH4+. K+ transport and compartmentation were investigated in barley (Hordeum vulgare L.) and rice (Oryza sativa L.) using the non-invasive technique of compartmental analysis by tracer efflux (CATE)

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