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Tesi sul tema "Barley Nutrition"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 gennaio 2023

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1

Lonergan, Paul Francis. "Genetic characterisation and QTL mapping of zinc nutrition in barley (Hordeum vulgare)." Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phl847.pdf.

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2

Gould, Nicholas. "The role of phloem in K'+ nutrition of barley (Hordeum Vulgare L.)." Thesis, University of Birmingham, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.395733.

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3

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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4

Genc, Yusuf. "Screening for zinc efficiency in barley (Hordeum vulgare L.)." Title page, table of contents and summary only, 1999. http://web4.library.adelaide.edu.au/theses/09PH/09phg324.pdf.

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Bibliography: leaves 229-250. The aims of the study were to develop a reliable method for screening for Zn efficiency as an alternative to the current field-based methods, and to determine the extent of genotypic variation in tolerance to Zn deficiency in barley.

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5

Ramesh, Sunita. "Molecular mechanism of zinc uptake and regulation in cereals." Title page, table of contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phr1724.pdf.

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Abstract (sommario):

Bibliography: leaves 174-204. "This work provides a starting point for understanding the molecular mechanisms of zinc uptake and the regulation of zinc transport in cereals. Zinc efficient cereals would yield more on soild with low zinc and could potentially result in increased zinc content grain."

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6

Ali, Arshad. "Growth and yield of barley (Hordeum vulgare L.) as affected by salinity and mixed ammonium and nitrate nutrition." Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186385.

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Absorption and utilization of N by plants has been shown to be affected by the N form supplied and salinity. This study was conducted to determine the growth and N uptake of barley grown in modified Hoagland-Arnon nutrient solution containing different NH₄⁺-N / NO₃⁻-N ratios and various salinity levels in the growth chamber. The first experiment was conducted to study the N uptake rate at five different NH₄⁺-N/NO₃⁻-N ratios and three salinity levels (0, 6 and 12 bars). No ¹⁵N was applied in this experiment. The second experiment was conducted with the same objectives with modification in the s

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7

Khazaal, Kamal Abdul-Rahim. "Improving the nutritive value of barley straw for ruminants : effects of treatment with ligninase enzyme or white-rot fungi on composition and digestibility in vitro." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.252722.

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8

Coaquira, Arratia Karla. "Metabolic profile and live weight of male llamas (Lama glama) fed with barley hay, alfalfa, and quinoa scrub." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/5350.

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In recent years llamas have attracted great national and international interest for their qualities of human food production, fiber production for high-quality textiles, and for being an ecological animal. These qualities have allowed a resurgence of cultivating them for commercial ends. One of the principal limits is secure food for allowing a constant, sustainable growth. The objective of this study was to evaluate the metabolic profile and live weight of male llamas (Lama glama) fed with barley hay, alfalfa hay, and quinoa scrub. The fieldwork occurred in metabolic chambers in a closed envi

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9

Sadeghzadeh, Behzad. "Mapping of chromosome regions associated with seed zinc accumulation in barley." University of Western Australia. School of Earth and Geographical Sciences, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0204.

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[Truncated abstract] Zinc deficiency in crops is the most widespread micronutrient deficiency, with about 50% of the cereal-growing areas worldwide containing low levels of plant-available Zn. Zinc plays multiple key roles in different metabolic and physiological processes; its deficiency in crops reduces not only grain yield, but also the nutritional quality of grains. Insufficient micronutrient intake, particularly Zn and Fe, afflicts over 3 billion people in the world, mainly in developing countries. Increasing the amount of Zn in food crops can contribute to improving the Zn status of peop

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10

Llanos, Pérez Martha Jesusa. "In vivo digestibility in llamas (Lama glama), fed with barley and paja brava at the C.E.A.C." BYU ScholarsArchive, 2005. https://scholarsarchive.byu.edu/etd/5384.

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The Highlands of Bolivia present a great diversity of native botanical species with strong forage characteristics, providing them with a considerable potential for usage as a resource in the feeding of cattle. The following work was performed with the idea of taking advantage of the zone’s native species as a source for the feeding of llama cattle. In order to accomplish it, we took into consideration the following variables: food consumption, water consumption, amount of fecal excretions, urine volume, body weight, and the digestibility of the nutrients found in the food prepared with paja br

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11

Matoka, Charles Mboya. "Bacterial community responses to soil-injected liquid ammonium nutrition and effect of temperature on Barley (Hordeum vulgare L.) grain yield formation." Göttingen Cuvillier, 2007. http://d-nb.info/987473530/04.

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12

Matoka, Charles Mboya. "Bacterial community responses to soil-injected liquid ammonium nutrition and effect of temperature on Barley (Hordeum vulgare L.) grain yield formation /." Göttingen : Cuvillier, 2008. http://d-nb.info/987473530/04.

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13

Badresingh, Vera. "Evaluation of low phytate barleys and in vitro procedure for predicting phosphorus availability in organic and inorganic sources of phosphorus /." free to MU campus, to others for purchase, 2001. http://wwwlib.umi.com/cr/mo/fullcit?p3025597.

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14

Castro, Calvache Egresado Hever Patricio. "Formulation of Balanced Diets in Base of Grains of Left-over of Corn, Wheat, and Barley for Guinea pigs (Cavia porcellus)." BYU ScholarsArchive, 2002. https://scholarsarchive.byu.edu/etd/5345.

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The present investigation was carried out in the rural community La Rinconada, located in the canton Ibarra of the province of Imbabura. The field work was developed during 12 months. Previous activities were developed to the rehearsal like socialization of the program; training in areas of: poscosecha of grains, alfalfa cultivation and systems of growth of guinea pigs. The rehearsal lasted 70 days and it was developed in the property of three families of the community. The formulation of diets balanced based on grains of waste of corn, wheat and barley for the growth and increment of weight o

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15

Gutierrez, Jenny Lourdes Mamani. "Evaluation of diets with different levels of barley sprouts (Hordeum vulgare) in the basic feed of guinea pigs (Cavia aperea porcellus) in the phases of growth." BYU ScholarsArchive, 2001. https://scholarsarchive.byu.edu/etd/5375.

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The study was done in the department of La Paz, providence of Ingavi in the community of Letanias (16° 39’ 15” S; 69° 60’ 18” W), in the Benson Institute building, located 3 kilometers from Viacha. The objectives were: to evaluate the growth and increase in weight and consumption of food in Guinea pig male and females under the effect of diets with different levels of barley sprout in the phases of growth; to determine the nutritional conversion; to determine the optimal level of use of the barley sprouts in the basic feeding of Guinea pigs; and to evaluate the results of the diets from the po

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16

Van, der Baan Annelize. "The determination of digestibility of Atriplex nummularia cv. De Kock with different techniques." Diss., Pretoria : [s.n.], 2008. http://hdl.handle.net/2263/25996.

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The aim of the study was to determine the digestibility of Atriplex nummularia cv. De Kock, supplemented with three levels (15%, 30%, and 45%) of either maize or barley, using different in vitro techniques. An in vivo digestibility trial was conducted, together with a number of in vitro trials. An important development has been the introduction of biological methods (Jones&Theodorou, 2000). Three digestion techniques that simulate the digestion process are currently available to determine the nutritive value of ruminant feeds: <ol> <li>Digestion with rumen micro-organisms as in the work of Til

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17

Matoka, Charles Mboya [Verfasser]. "Bacterial community responses to soil-injected liquid ammonium nutrition and effect of temperature on barley (Hordeum vulgare L.) grain yield formation / by Charles Mboya Matoka." Göttingen : Cuvillier, 2008. http://d-nb.info/988772698/34.

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18

Soleimani, Behnaz [Verfasser]. "Genetic regulation of juvenile plant growth under contrasting levels of phosphorus, potassium and carbon dioxide nutrition in the wild barley introgression library S42IL / Behnaz Soleimani." Halle, 2018. http://d-nb.info/1162134348/34.

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19

Ticona, Benique Eduardo. "Concentration of metabolites and behavior of live weight in llamas (Lama glama) fed with natural grass and barley during gestation, postpartum, and new born phases in Turco, department of Oruro." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/5438.

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The llama, a potential socioeconomic resource in the Bolivian highlands, faces serious nutritional deficiencies during the gestational and postpartum stages that negatively affect production. This study was conducted at the Tika Huta Experimental Center in the Llachu community of the Oruro prefecture. Our objectives were to determine metabolite concentration in blood plasma as well as live weight performance of pregnant and postpartum female llamas. Adult and juvenile llamas were fed diets of either plain natural grass or natural grass combined with 0.4 kg of barley hay. In addition, we determ

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20

Quant, Anthony David. "Standardized ileal digestible tryptophan to lysine ratios in growing pigs fed U.S.-type and non-U.S.-type feedstuffs." Lexington, Ky. : [University of Kentucky Libraries], 2008. http://hdl.handle.net/10225/973.

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Thesis (M.S.)--University of Kentucky, 2008.<br>Title from document title page (viewed on February 2, 2009). Document formatted into pages; contains: ix, 146 p. : ill. (some col.). Includes abstract and vita. Includes bibliographical references (p. 138-145).

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21

Capper, Brian Stephen. "Factors influencing the nutritive value of barley straw for ruminants." Thesis, University of Reading, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.238166.

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22

McCann, M. E. E. "Studies on the nutritive value of barley for growing pigs." Thesis, Queen's University Belfast, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390889.

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23

Draw, Paul John. "Exogenous enzymes and irradiation of barley reduce the anti-nutritional activity of non-starch polysaccharides in broilers." Pretoria : [s.n.], 2008. http://upetd.up.ac.za/thesis/available/etd-01302009-123908.

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24

Drew, Paul John. "Exogenous enzymes and irradiation of barley reduce the anti-nutritional activity of non-starch polysaccharides in broilers." Diss., University of Pretoria, 2008. http://hdl.handle.net/2263/25985.

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Abstract (sommario):

Interactions between non-starch polysaccharide (NSP) level, dietary lipid type, exogenous carbohydrase enzymes and irradiation were investigated. Ten treatment diets were fed to broilers in a performance and digestibility trial. Eight of the diets contained high levels of NSP, achieved by a high barley inclusion of 55% of the diet. Four of the treatments made use of non-irradiated barley, whereas the barley included in the other four diets was irradiated. By adding either 10% soya oil or yellow grease (fat) as the lipid source, sub groups were created which differed in fatty acid profile. Last

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25

Mayberry, Dianne. "Getting into the guts of a salty problem : poor animal production from saltbush pastures is due to inefficient rumen fermentation." University of Western Australia. School of Animal Biology, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0071.

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The main hypothesis tested in this thesis was that poor animal production from saltbush pastures is due to the negative effects of high sodium chloride (NaCl) and potassium chloride (KCl) on the ruminal environment, and subsequent effects on microbial populations and products of rumen fermentation. This main hypothesis was tested in two experiments. In the first experiment (Chapter Four) the effects of saltbush and a formulated high-salt diet on the ruminal environment and microbial populations were measured over 24-hours following feeding. Feeding both the saltbush and high-salt diet increase

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26

Fard, Ebrahim Rowghani Haghighi. "Chemical and nutritional characteristics of whole-crop barley ensiled at different dry matter contents with or without silage additives." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.307930.

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27

Schmidt, Daiana. "Multi-method research strategy for understanding changes in barley grain protein composition and its relation to improved nutritional quality." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11137/tde-30092015-113900/.

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Barley (Hordeum vulgare L.) is the fourth largest produced cereal worldwide. About two thirds of barley production is used to animal feed. When used to feed monogastric animals, the main shortcoming of barley grains is the deficiency of essential amino acids, especially lysine, threonine and methionine. The unbalanced amino acid composition is due to the main storage protein, the hordeins, which account for about 50% of total grain protein content. The nitrogen fertilization promotes C-hordein expression and accumulation, the hordein subgroup with the lowest content of essential amino acids, a

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28

Savage, Darryl B. "Nutritional influences on reproductive performance of beef cattle in the Barkly Tableland /." St. Lucia, Qld, 2004. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe17977.pdf.

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29

Alagón, Huallpa Gilbert. "USE OF BARLEY, WHEAT AND CORN DISTILLER'S DRIED GRAIN WITH SOLUBLES IN DIETS FOR GROWING RABBITS: NUTRITIVE VALUE, GROWTH PERFORMANCE AND MEAT QUALITY." Doctoral thesis, Universitat Politècnica de València, 2013. http://hdl.handle.net/10251/27648.

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La producción mundial de biocombustibles denominados bioetanol y biodiesel se ha incrementado en la última década, como alternativa a los combustibles fósiles. Brasil produce etanol a partir de la caña de azúcar, EEUU a partir de maíz, mientras que en Europa y Canadá, el insumo más utilizado es el grano de trigo. En España las principales plantas de biocombustible utilizan maíz, trigo y cebada, para obtener etanol, básicamente. Esta situación ha generado cambios importantes en el mercado mundial de granos, por un lado, encareciéndo el precio de las materias primas tradicionales y en consecuen

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30

Hosseini, Seyed Abdollah Verfasser], Nicolaus von [Akademischer Betreuer] [Wirén, Klaus [Akademischer Betreuer] Humbeck, and Thomas [Akademischer Betreuer] Schmülling. "Role of the potassium nutritional status on drought stress-induced leaf senescence in barley / Seyed Abdollah Hosseini. Betreuer: Nicolaus Wirén ; Klaus Humbeck ; Thomas Schmülling." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2015. http://d-nb.info/1075492874/34.

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31

Bambrick, Hilary Jane, and Hilary Bambrick@anu edu au. "Child growth and Type 2 Diabetes Mellitus in a Queensland Aboriginal Community." The Australian National University. Faculty of Arts, 2003. http://thesis.anu.edu.au./public/adt-ANU20050905.121211.

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Globally, the prevalence of Type 2 diabetes is rising. The most affected populations are those that have undergone recent and rapid transition towards a Western lifestyle, characterised by energy-dense diets and physical inactivity.¶ Two major hypotheses have attempted to explain the variation in diabetes prevalence, both between and within populations, beyond the contributions made by adult lifestyle. The thrifty genotype hypothesis proposes that some populations are genetically well adapted to surviving in a subsistence environment, and are predisposed to develop diabetes when the dietary en

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32

Srichaikul, Korbua (Kristie). "Barley Protein-enriched Flour, Coronary Heart Disease and Cancer Risk." Thesis, 2010. http://hdl.handle.net/1807/25808.

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This thesis assessed whether advantages existed for animal (calcium caseinate) versus vegetable protein (barley protein-enriched flour) foods when fed at 30 g protein per day to 23 healthy hyperlipidemic subjects for 4 weeks in a randomized crossover study. Outcomes included serum lipids, serum markers of oxidative stress and the growth response of LNCaP prostate and MCF-7 breast cancer cells when incubated in vitro with individual subject’s study serum as an indication of whether the treatment promoted or inhibited cell growth. There was no treatment effect on blood lipids or biomarkers of ox

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33

Lonergan, Paul F. "Genetic characterisation and QTL mapping of zinc nutrition in barley (Hordeum vulgare) / Paul Francis Lonergan." 2001. http://hdl.handle.net/2440/21718.

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Includes bibliographical references (leaves 192-211).<br>x, 211 leaves : ill. ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Maps major genes or quantitative trait loci associated with zinc nutrition in the vegetative and reproductive tissues of barley (Hordeum vulgare)<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Plant Science, 2001

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34

Long, Nigel R. "Characterisation and mapping of chromosome regions associated with improved growth and grain yield of barley on sandy soils of low fertility / by Nigel Richard Long." 2003. http://hdl.handle.net/2440/21993.

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"August, 2003"<br>Includes bibliographical references (leaves 260-292)<br>v, 294 leaves : ill. (some col.), plates (col.), maps (col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, School of Agriculture and Wine, 2003

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35

Long, Nigel R. "Characterisation and mapping of chromosome regions associated with improved growth and grain yield of barley on sandy soils of low fertility / by Nigel Richard Long." Thesis, 2003. http://hdl.handle.net/2440/21993.

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"August, 2003"<br>Includes bibliographical references (leaves 260-292)<br>v, 294 leaves : ill. (some col.), plates (col.), maps (col.) ; 30 cm.<br>Thesis (Ph.D.)--University of Adelaide, School of Agriculture and Wine, 2003

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36

Ramesh, Sunita A. "Molecular mechanism of zinc uptake and regulation in cereals / Sunita Ramesh." 2002. http://hdl.handle.net/2440/21811.

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Bibliography: leaves 174-204.<br>xiii, 204 leaves : ill. (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>"This work provides a starting point for understanding the molecular mechanisms of zinc uptake and the regulation of zinc transport in cereals. Zinc efficient cereals would yield more on soild with low zinc and could potentially result in increased zinc content grain."<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Horticulture, Viticulture and Oenology, 2002?

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37

Ramesh, Sunita A. "Molecular mechanism of zinc uptake and regulation in cereals / Sunita Ramesh." Thesis, 2002. http://hdl.handle.net/2440/21811.

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Abstract (sommario):

Bibliography: leaves 174-204.<br>xiii, 204 leaves : ill. (some col.) ; 30 cm.<br>"This work provides a starting point for understanding the molecular mechanisms of zinc uptake and the regulation of zinc transport in cereals. Zinc efficient cereals would yield more on soild with low zinc and could potentially result in increased zinc content grain."<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Horticulture, Viticulture and Oenology, 2002?

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38

Balkos, Konstantine Dino. "Optimization of Nitrogen Acquisition, and Metabolism, by Potassium in Rice, and Barley." Thesis, 2009. http://hdl.handle.net/1807/18163.

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We present the first characterization of K+ optimization of N uptake and metabolism in an NH4+-tolerant species, tropical lowland rice (cv. IR-72). 13N radiotracing showed that increased K+ supply reduces futile NH4+ cycling at the plasma membrane, diminishing the excessive rates of both unidirectional influx and efflux. Pharmacological testing showed that low-affinity NH4+ influx may be mediated by both K+ and non-selective cation channels. Suppression of NH4+ influx by K+ occurred within minutes of increasing K+ supply. Increased K+ reduced free [NH4+] in roots and shoots by 50-75%. Plant bi

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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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40

Zarrinkalam, Mohammad-Reza. "Application of a " Glucose Release Index " to assess physical and chemical characteristics of cereal grains that may influence starch digestion and subsequent energy supply to monogastrics." 2002. http://hdl.handle.net/2440/37826.

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Abstract (sommario):

In the pig and poultry production industries, energy forms the largest and the greatest cost pressure when a diet is formulated. In Australia, cereal grains such as barley, sorghum, and wheat are the main dietary energy sources, comprising more than 60 % of the diet in many cases. Traditionally, during diet formulation, the energy value of a grain has been represented by a single figure for that particular grain type. However, several studies have indicated that the energy availability from different grains fed to pigs and poultry varies significantly even within one grain cultivar. Given thes

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41

Zarrinkalam, Mohammad-Reza. "Application of a " Glucose Release Index " to assess physical and chemical characteristics of cereal grains that may influence starch digestion and subsequent energy supply to monogastrics." Thesis, 2002. http://hdl.handle.net/2440/37826.

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Abstract (sommario):

In the pig and poultry production industries, energy forms the largest and the greatest cost pressure when a diet is formulated. In Australia, cereal grains such as barley, sorghum, and wheat are the main dietary energy sources, comprising more than 60 % of the diet in many cases. Traditionally, during diet formulation, the energy value of a grain has been represented by a single figure for that particular grain type. However, several studies have indicated that the energy availability from different grains fed to pigs and poultry varies significantly even within one grain cultivar. Given thes

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42

Holloway, R. E. (Robert Edgcumbe). "Zinc as a subsoil nutrient for cereals." 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phh7454.pdf.

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Bibliography: leaves 290-324. This thesis investigates two avenues suggested by Graham and Ascher (1993) for approaching the problems of subsoil infertility, with particular reference to zinc. Field experiments with wheat and barley were established at Minnipa, on Eyre Peninsula in South Australia to investigate the effects of applying nutrients (principally zinc, nitrogen and phosphorus) to the subsoil to a depth of 0.4 m with a modified deep ripper. A deep pot experiment was designed to measure the zinc efficiencies (in terms of dry matter production) of a range of species grown in siliceous

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Holloway, R. E. (Robert Edgcumbe). "Zinc as a subsoil nutrient for cereals / by R.E. Holloway." Thesis, 1996. http://hdl.handle.net/2440/18920.

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Abstract (sommario):

Bibliography: leaves 290-324.<br>xxii, 324 leaves, [5] leaves of plates : col. ill. ; 30 cm.<br>This thesis investigates two avenues suggested by Graham and Ascher (1993) for approaching the problems of subsoil infertility, with particular reference to zinc. Field experiments with wheat and barley were established at Minnipa, on Eyre Peninsula in South Australia to investigate the effects of applying nutrients (principally zinc, nitrogen and phosphorus) to the subsoil to a depth of 0.4 m with a modified deep ripper. A deep pot experiment was designed to measure the zinc efficiencies (in terms

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44

Grace, Emily Jane. "Functional characterisation of phosphorus uptake pathways in a non-responsive arbuscular mycorrhizal host." 2008. http://hdl.handle.net/2440/58644.

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Abstract (sommario):

AM plants acquire Pi via two pathways; the direct uptake pathway via plant roots and the AM pathway via external fungal hyphae and colonised cortical cells. It has been assumed that these two pathways are additive and therefore in non-responsive plants the AM pathway is often considered to be non-functional. However, data from ³²P uptake studies indicates that the AM pathway is functional in many non-responsive symbioses and in some instances supplies the majority of plant P. In recent years the high-affinity Pi transporters involved in both direct and AM Pi uptake pathways have been identifie

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45

Grace, Emily Jane. "Functional characterisation of phosphorus uptake pathways in a non-responsive arbuscular mycorrhizal host." Thesis, 2008. http://hdl.handle.net/2440/58644.

Testo completo

Abstract (sommario):

AM plants acquire Pi via two pathways; the direct uptake pathway via plant roots and the AM pathway via external fungal hyphae and colonised cortical cells. It has been assumed that these two pathways are additive and therefore in non-responsive plants the AM pathway is often considered to be non-functional. However, data from ³²P uptake studies indicates that the AM pathway is functional in many non-responsive symbioses and in some instances supplies the majority of plant P. In recent years the high-affinity Pi transporters involved in both direct and AM Pi uptake pathways have been identif

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46

"The use of enzyme supplementation for wheat-barley diets in poultry as a means of improving productive performance." Thesis, 2010. http://hdl.handle.net/10413/2169.

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The objective of the study was to evaluate the effect of an exogenous multi-blend enzyme ( -glucanase and xylanase) on the performance of the broiler chickens and laying hens fed diets based on wheat and barley. Experiments were conducted on a flock of broilers and two flocks of laying hens. In both cases feed and water were provided ad libitum. The enzyme effect of enzyme addition on the broiler performance involved 2080 day-old male and female chicks in 48 pens, allocated one of four dietary treatments (0, 50, 100 or 200g/ton enzyme supplementation), to 35 days of age. On day 35, ten birds f

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47

Neskar, Michael Frank. "Effects of enzyme supplementation on the nutritional value of barley in chicken diets." 1988. http://hdl.handle.net/1993/16756.

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48

Johnson, Ntinya C. "The nutritive value of pearled deoxynivalenol (DON)-contaminated barley (Hordeum vulgare L.) for swine." 2006. http://hdl.handle.net/1993/20760.

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49

Boyd, Lindsey. "Effects of heat treatments on the safety and nutritional properties of whole grain barley." 2016. http://hdl.handle.net/1993/31020.

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Abstract (sommario):

Health claims for barley β-glucan (BG) have prompted the development of more food products using barley. Some new products do not use any form of heat treatment which could become an issue as barley has been found to have high microbial contamination. The aim of this research was to evaluate current commercial barley products for microbial and BG quality and determine the effects of different heat treatments on the safety and physicochemical properties of BG of whole grain barley. Three heat treatments (micronization, roasting and conditioning) were performed on 3 cultivars of barley (CDC Ratt

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50

Kalinga, Danusha Nilakshi. "Delivering β-glucan via selected bakery systems : cake". Thesis, 2010. https://vuir.vu.edu.au/15799/.

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Abstract (sommario):

In the western world intake of dietary fibre is low and fat consumption is high. This leads to many diet related diseases, such as, type 2 diabetes, colorectal cancer and cardiovascular disease. Fibre enrichment and fat replacement are effective ways in developing a health-promoting diet. β-glucan, a soluble dietary fibre present in cereal grains, has many health benefits, which include reduction in blood cholesterol and, improving insulin response. Due to its viscosity enhancing and water binding properties, β-glucan is considered as a potential fat replacer. In this thesis β-glucan from oat

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