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Дисертації з теми "Apple (Malus x domestica Borkh.)"

Автор: Grafiati
Опубліковано: 11 березня 2023

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1

KERSCHBAMER, EMANUELA. "Identification of selective sweeps in domesticated apple (Malus × domestica Borkh.)." Doctoral thesis, country:IT, 2015. http://hdl.handle.net/10449/25045.

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Анотація:
The domesticated apple (Malus × domestica) is one of the most cultivated plant over the world and is one of the most genetically polymorphic agricultural species. Studying the genetic diversity of the apple germplasm could provide important hints about the domestication process as giving a valuable resource for high reso- lution genetic mapping, QTL analysis and breeding programs. Advances in next generation sequencing technologies have driven the costs of DNA sequencing down to the point that whole genome re-sequencing (WGS) is now feasible for high di- versity, large genome species. T
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2

Kerschbamer, Emanuela. "Identification of selective sweeps in domesticated apple (Malus × domestica Borkh.)." Doctoral thesis, Università degli studi di Padova, 2015. http://hdl.handle.net/11577/3424163.

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Анотація:
The domesticated apple (Malus × domestica) is one of the most cultivated plant over the world and is one of the most genetically polymorphic agricultural species. Studying the genetic diversity of the apple germplasm could provide important hints about the domestication process as giving a valuable resource for high resolution genetic mapping, QTL analysis and breeding programs. Advances in next generation sequencing technologies have driven the costs of DNA sequencing down to the point that whole genome re-sequencing (WGS) is now feasible for high diversity, large genome species. The aim of
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3

Soeker, Mogamat Khashief. "Genetic mapping of fruit quality traits in apple (malus x domestica borkh.)." University of the Western Cape, 2011. http://hdl.handle.net/11394/4797.

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Анотація:
Philosophiae Doctor - PhD<br>Apple fruit quality is of utmost importance to apple farmers and breeders in the selection and commercialization of new cultivars. Fruit size, colour, texture, firmness and taste are all traits that affect the quality of fruit. In this study the genetic contribution of these traits, and others were evaluated in order to generate the genetic markers required for the application of marker assisted selection in fruit quality breeding. Three mapping populations, ‘Prima’ x ‘Anna’, ‘Golden Delicious’ x ‘Priscilla’ and ‘Golden Delicious’ x ‘Anna’, consisting of 87, 87 and
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4

Maharaj, Ramsey. "Genetic analysis of resistance to apple scab (Venturia inaequalis) in apple (Malus x domestica Borkh)." Thesis, University of the Western Cape, 2007. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_4347_1258010463.

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Анотація:
<p>Amongst the many problems facing the apple industry, apple scab is one of the most challenging experienced by producers. This disease is caused by Venturia inaequalis, which causes lesions to develop on both the fruit and leaves. The fungus is usually controlled by extensive use of sprays, but molecular genetics have made more environmentally friendly techniques available. This study was aimed at constructing a genetic linkage map from apple, which would be used in marker-assisted selection (MAS).</p>
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5

Marondedze, Claudius. "Functional genomic characterization of fruit quality traits in apple (Malus x domestica Borkh)." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_7794_1286309138.

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<p>&nbsp<br></p> <p align="left">The domesticated apple (<i><font face="TimesNewRomanPS-ItalicMT">Malus </font><font face="TimesNewRomanPSMT">x </font><i><font face="TimesNewRomanPS-ItalicMT">domestica </font><font face="TimesNewRomanPSMT">Borkh.), belonging to the </font><i><font face="TimesNewRomanPS-ItalicMT">Malus </font><font face="TimesNewRomanPSMT">genus of the Rosaceae family, is one of the edible pomaceous fruits. Since it is one of the important commercial fruit crops worldwide, the quality of the fruit is crucial to breeders and farmers as it ultimately determines acceptance of a cu
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6

Zhu, Hong. "Investigation of Regulatory Mechanisms of Chemical-Mediated Fruit Thinning in Apple (Malus X Domestica Borkh.)." Diss., Virginia Tech, 2010. http://hdl.handle.net/10919/30220.

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Fruit thinning is critical to the success of apple industry because most apple trees are prone to biennial bearing characterized by heavy bloom and over-cropping in the â onâ year and low or no cropping in the â offâ year. Fruit thinning can improve fruit size, increase return bloom, and reduce alternate bearing habit of apple trees. Chemical thinning has been widely used as a horticultural practice by growers for years in apple and other fruit production. However, its thinning results are often variable and very difficult to predict since parameters as well as their interactions (e.g. c
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7

Bulley, Sean M. W. "Modification of gibberellin biosynthesis in apple (Malus x domestica Borkh.) for an improved dwarfing habit." Thesis, Open University, 2002. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.394756.

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8

Labuschagne, Iwan Frederick. "An investigation into the genetic variation of chilling requirement in apple (Malus x domestica Borkh.) progenies." Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52677.

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Thesis (PhD)--Stellenbosch University, 2002.<br>ENGLISH ABSTRACT: Various experiments were undertaken over a period of five years to investigate the feasibility of initiating a large-scale programme of controlled apple breeding and selection for the improvement of climatic adaptation, using budbreak number (NB) as a practical criterion of selection. NB is preferred to time of budbreak as sole criterion on the grounds that early budbreak is associated with low NB under local conditions. Variation within and between adult and juvenile seedling families was investigated and the genetic contr
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9

Xia, Rui. "MicroRNAs and Trans-acting siRNA pathways in Apple (Malus x domestica Borkh.) and Peach (Prunus persica)." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/19364.

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Анотація:
The unveiling of small RNA (sRNA)-mediated gene regulatory pathways has profoundly shaped our understanding of the complexity of gene regulation. In eukaryotes, sRNAs have been found to control cellular metabolism, growth and differentiation, to maintain genome integrity, and to combat viruses and mobile genetic elements. To gain insight into the roles of small RNAs in apple and peach, we conducted sRNA-seq, computational analysis and molecular experiments to genome-widely characterize their microRNAs (miRNAs) and trans-acting siRNA (tasiRNA) pathways. <br />We identified totally 75 miRNAs or
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10

Nosarzewski, Marta. "SORBITOL DEHYDROGENASE EXPRESSION IN APPLE FRUIT." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_diss/485.

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Анотація:
Sorbitol, the primary photosynthate and translocated carbohydrate in apple (Malus x domestica Borkh.), is converted to fructose by SORBITOL DEHYDROGENASE (SDH; EC 1.1.1.14) which is active in apple fruit throughout fruit development. Apple fruit set and early development is very sensitive to carbohydrate availability, but details on carbohydrate metabolism during this phase are limited. The first objective of this work was to determine if SORBITOL DEHYDROGENASE, the primary enzyme responsible for metabolism of the major phloem-transported carbohydrate sorbitol, is present and active during app
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11

Baison, John. "Mapping and identification of disease resistance candidate genes in three Malus populations using SSRs, DArT and Infinium SNP markers and Illumina sequencing technology." University of the Western Cape, 2014. http://hdl.handle.net/11394/4678.

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Анотація:
Philosophiae Doctor - PhD<br>Apple scab, powdery mildew and woolly apple aphid are a major concern for apple breeders and producers. Control of these diseases is a significant economic and marketing priority for the South African apple industry. Application of chemicals and orchard management practices are the main methods for controlling these diseases. These diseases require an average of 15 chemical sprays per season, which leads to increased production costs for the farmer. The increased cost of chemical based control programs and demand from consumers for ‘organic apples’ grown with very
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12

Hüsselmann, Lizex Hollenbach Hermanus. "Analysis of the early events in the interaction between Venturia inaequalis and the susceptible Golden Delicious apple (Malus x domestica Borkh.)." University of the Western Cape, 2014. http://hdl.handle.net/11394/4449.

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Анотація:
Philosophiae Doctor - PhD<br>Apple (Malus x domestica) production in the Western Cape, South Africa, is one of the major contributors to the gross domestic product (GDP) of the region. The production of apples is affected by a number of diseases. One of the economically important diseases is apple scab that is caused by the pathogenic fungus, Venturia inaequalis. Research to introduce disease resistance ranges from traditional plant breeding through to genetic manipulation. Parallel disease management regimes are also implemented to combat the disease, however, such strategies are increasingly
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13

Van, der Merwe Anreza. "Quantification of genotypic variation and consumer segmentation related to fruit quality attributes in apple (Malus x domestica Borkh.)." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/79932.

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Анотація:
Thesis (PhD)--Stellenbosch University, 2013.<br>ENGLISH ABSTRACT: Limited information is available on the apple preferences of the South African consumer market, which is characterised by diverse consumers from different age and ethnic groups with different food preferences. White, coloured and black consumers from different age groups were selected from the Stellenbosch area, Western Cape, South Africa. Consumer preference analysis for apple eating quality and appearance, and descriptive sensory analysis (DSA) were performed on nine commercial apple cultivars. Analysis of variance (ANOVA
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14

Mafofo, Joseph. "Saturation sequencing, characterisation and mapping of the NBS-LRR resistance gene family in apple, Malus x domestica (Borkh)." Thesis, University of the Western Cape, 2008. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9535_1269996826.

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Анотація:
<p>To date five classes of resistance proteins have been identified in plants and these include the intracellular protein kinases, receptor-like protein kinases with extracellular leucinerich repeat (LRR) domain, LRR proteins that encode membrane bound extracellular proteins, toxin reductase and intracellular LRR proteins with a nucleotide-binding site (NBS). These proteins recognise &ldquo<br>invading pathogen&rdquo<br>and in turn trigger defence response systems that act to protect plants from invading pathogens. The NBS-LRR genes which constitutes the major class encode a family of resistan
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15

Schupp, James R. "The influence of time of root pruning on vegetative and reproductive growth of apple (Malus X domestica Borkh.)." Connect to resource, 1985. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1133548904.

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16

Khanal, Bishnu Prasad [Verfasser]. "Mechanical properties of apple (Malus x domestica Borkh.) fruit skin and their potential role in fruit russeting / Bishnu Prasad Khanal." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2014. http://d-nb.info/1053415575/34.

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17

Rupasinghe, H. P. Vasantha. "Biochemical and molecular characterization of Ã-farnesene biosynthesis in relation to superficial scald development in apple (Malus x domestica Borkh.)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58311.pdf.

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18

Teparkum, Sirasak. "Interaction Between Insects and Apple (Malus X Domestica Borkh.): Insect Behavior, Genotypic Preference, and Plant Phenolics With Emphasis on Japanese Beetle (Popillia Japonica Newman)." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/27920.

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Анотація:
Leaves and fruit of nine apple (Malus x domestica Borkh.) genotypes were evaluated for insect injury in 1998 and 1999. Foliar and fruit injury from 12 insect species was inconsistently affected by genotype. Spraying trees with oil affected neither fruit insect injury nor fruit phytotoxicity. In choice feeding assays, incidence of Japanese beetle (JB) feeding and leaf area consumed was greater for 'Liberty' than for 'York.' Genotypes did not differ in no-choice feeding assays. Choice and no-choice feeding assays between apple and oak indicated that JB could distinguish host plants in an artif
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19

Kaçal, Emel Koyuncu Fatma. "Elmalarda (Malus x domestica Borkh) meyve tutumu, meyve kalitesi ve çiçek tomurcuğu farklılaşması üzerine yeni çiçek seyrelticilerinin etkileri /." Isparta : SDÜ Fen Bilimleri Enstitüsü, 2009. http://tez.sdu.edu.tr/Tezler/TF01336.pdf.

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20

Hove, Paidashe. "SSR-based genetic mapping of QTLs determining chilling requirements for time of initial vegetative budbreak in domesticated apple (Malus x domestica Borkh.) cultivar ‘Anna’ x ‘Austin’." Thesis, University of the Western Cape, 2012. http://hdl.handle.net/11394/4372.

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>Magister Scientiae - MSc<br>The Rosaceae family contains major temperate crops such as the domesticated apple(Malus x domestica Borkh.), peach (Prunus persica L. Batsch) and European pear (Pyrus communis L.). However, despite its evident economic importance, it is generally poorly studied in genomic terms, relative to the other major crop groups. Microsatellite and Diversity Array Technology (DArT) genetic markers have been exploited in this work and are essential tools in genetic map construction and marker-assisted selection (MAS) of high quality apples and other rosaceous crops. Microsatel
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21

Boudichevskaia, Anastassia [Verfasser], W. Eberhard [Akademischer Betreuer] Weber, Klaus [Akademischer Betreuer] Pillen, and Viola [Akademischer Betreuer] Hanke. "Genetic and molecular characterisation of resistance factors and candidate genes for scab resistance in apple (Malus x domestica Borkh.) / Anastassia Boudichevskaia. Betreuer: W. Eberhard Weber ; Klaus Pillen ; Viola Hanke." Halle, Saale : Universitäts- und Landesbibliothek Sachsen-Anhalt, 2009. http://d-nb.info/1024859738/34.

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22

Buergy, Alexandra. "Modulation de la texture et de la fragmentation tissulaire de fruits lors de traitements thermiques par les modes de culture et la maturation : impact sur la texture des purées Pectin modifications in raw fruits alter texture of plant cell dispersions Apple puree’s texture is independent from fruit firmness Pectin degradation explains tissue fragmentation of fruits during thermomechanical processes for puree production." Thesis, Avignon, 2021. http://www.theses.fr/2021AVIG0282.

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L’objectif de cette thèse était de comprendre comment les caractéristiques structurales des pommes peuvent être liées aux facteurs structurels des purées après cuisson et fragmentation tissulaire. Les caractéristiques structurales du fruit ont été modulées par les cultivars, les pratiques culturales et la maturation, et les conditions du procédé (thermique : 50–95 °C et mécanique : 100–3000 tr/min) ont été modulées grâce à un cuiseur-broyeur. La structure de la purée (volume occupé par les particules, taille des particules, viscosité du sérum) et la texture (viscosité, seuil d’écoulement, G’ e
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23

Rosário, Ana Catarina Silva de Matos. "Monda em macieira Gala (Malus domestica Borkh.). Estudo de novas substâncias ativas." Master's thesis, ISA/UL, 2013. http://hdl.handle.net/10400.5/7396.

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24

Pretorius, Jeremia Jesaja Bierman. "Environmental and endogenous influences on carbohydrate assimilation and allocation of apple trees (Malus domestica Borkh)." Thesis, Stellenbosch : Stellenbosch University, 2006. http://hdl.handle.net/10019.1/49198.

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Stellenbosch University. Faculty of AgriSciences. Dept. of Horticulture.<br>Thesis (PhD (Agric))--Stellenbosch University, 2006.<br>ENGLISH ABSTRACT: Market preferences for larger fruit have forced producers to adopt cultural practices that will ensure bigger fruit even if this comes at the expense of reduced total yields. In order to obtain acceptable fruit size there must be an adequate supply of photosynthetic carbon products especially during the cell division stage of fruit growth. Competition between fruits and between fruit and vegetative growth, as well as adverse climatic conditio
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25

Monteiro, Victor MagalhÃes. "Abelhas visitantes florais e potenciais polinzadores da macieira (Malus domestica Borkh.) no semiÃrido brasileiro." Universidade Federal do CearÃ, 2014. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=13833.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>Esse estudo teve como objetivos estudar os aspectos da biologia floral e possÃveis fatores limitantes à polinizaÃÃo e investigar a utilizaÃÃo da abelha Apis mellifera e o papel de outros insetos visitantes na polinizaÃÃo de macieira (Malus domestica Borkh.) em cultivos na regiÃo do semiÃrido nordestino brasileiro. O estudo foi realizado em uma Ãrea experimental que possui 0,5 hectare da fazenda FrutaCorÂ, municÃpio de Russas, CearÃ. Foram estudadas a variedade Julieta, utilizada como doadora de pÃlen e Princesa como receptora. A que
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26

Curti, Fabiana. "Efeito da maçã gala (Malus domestica Borkh) na lipidemia de ratos hipercolesterolêmicos." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11141/tde-18052004-165636/.

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Hábitos de vida saudáveis e uma dieta balanceada aliados ao alto consumo de frutas e vegetais, estão associados à prevenção de doenças e à manutenção da saúde. A maçã possui em sua composição compostos bioativos que podem agir na prevenção e no controle das dislipidemias. Tendo em vista a preocupação da Saúde Pública em encontrar uma fonte alternativa na redução das doenças cardiovasculares, esse trabalho teve como objetivo analisar a composição química da maçã, variedade Gala, e estudar os efeitos do seu consumo no ganho de peso, consumo alimentar, níveis sanguíneos de colesterol total, HDL-C
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27

Mekdaschi, Studer Rima. "Interactions between green apple aphids (Aphis pomi De Geer) and apple plants (Malus domestica Borkh.) subjected to water stress /." [S.l.] : [s.n.], 1994. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=10704.

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28

Monteiro, Victor Magalhães. "Abelhas visitantes florais e potenciais polinzadores da macieira (Malus domestica Borkh.) no semiárido brasileiro." reponame:Repositório Institucional da UFC, 2014. http://www.repositorio.ufc.br/handle/riufc/19002.

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Анотація:
MONTEIRO, Victor Magalhães. Abelhas visitantes florais e potenciais polinzadores da macieira (Malus domestica Borkh.) no semiárido brasileiro. 2014. 75 f. : Dissertação (Mestrado) - Universidade Federal do Ceará, Centro de Ciências, Departamento de Zootecnia, Programa de Pós-Graduação em Zootecnia. Fortaleza-CE, 2014.<br>Submitted by Eric Santiago (erichhcl@gmail.com) on 2016-08-09T11:39:36Z No. of bitstreams: 1 2014_dis_vmmonteiro.pdf: 2091949 bytes, checksum: 0578cdd85a4d533affaf893a2765b9a6 (MD5)<br>Approved for entry into archive by Nádja Goes (nmoraissoares@gmail.com) on 2016-08-09T13:07:
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29

Gamiet, Sharmin. "Vesicular-arbuscular mycorrhizae and apples (Malus domestica Borkh.) in the nursery and in apple replant desease." Thesis, University of British Columbia, 1989. http://hdl.handle.net/2429/27453.

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The purpose of this study was to determine if different clonal rootstock from apple (Malus domestica Borkh.) formed different vesicular arbuscular mycorrhizal (VAM) associations. Different fertilizers and VAM fungi were tested to determine their effects on apple seedling growth in apple replant diseased (ARD) soils. VAM associations in apple stoolbed nursery were low. Over 80% of all samples had less than 10% mycorrhizal colonization. This reduction in VAM colonization amongst various rootstock clones is a result of detrimental management practices in the stoolbed nursery. Apples grown in a bu
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30

Felicetti, David Andrew. "Apple (Malus domestica borkh.) fruit skin disorders and changes in pigment concentrations associated with the disorders." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Dissertations/Spring2007/d_felicetti_041807.pdf.

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31

Falavigna, Vítor da Silveira. "Perfil transcricional de genes relacionados à dormência em gemas de macieira." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/72371.

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Анотація:
A macieira (Malus x domestica Borkh.) é uma frutífera de clima temperado que possui grande importância econômica mundialmente, sendo sua produtividade intimamente relacionada à saída do processo de dormência hibernal. Este processo pode ser definido como a incapacidade da planta iniciar o crescimento meristemático mesmo sob condições favoráveis e os mecanismos de controle molecular da dormência em macieiras ainda são pouco compreendidos. O objetivo do presente trabalho foi investigar o perfil gênico diferencial entre cultivares de macieiras contrastantes para requerimento de frio. As cultivare
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32

Picolotto, Patrícia Regina Dhein. "Estudo do potencial biotecnológico dos genes codificadores de galactinol sintases(Gols) como marcadores do processo de ecodormência de gemas em macieira (Malus x domestica Borkh.)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/170133.

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Анотація:
A macieira (Malus x domestica Borkh.), uma das frutíferas mais importantes das regiões de clima temperado, é caracterizada pela cessação de crescimento visível durante o inverno, processo este chamado de dormência. A dormência de gemas permite que a planta sobreviva às baixas temperaturas e é determinante para a eficiência na produção de maçãs. Entender o processo de dormência, assim como seus mecanismos de controle, tornou-se fundamental para contornar as perdas na produção, seja por meio de técnicas de manejo ou pela geração de variedades comerciais melhor adaptadas às regiões de cultivo. A
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33

Pagliarani, Giulia <1981&gt. "Genomic and transcriptional analysis of allergen genes in apple (Malus x domestica)." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2629/1/Pagliarani_Giulia_Tesi.pdf.

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Apple consumption is highly recomended for a healthy diet and is the most important fruit produced in temperate climate regions. Unfortunately, it is also one of the fruit that most ofthen provoks allergy in atopic patients and the only treatment available up to date for these apple allergic patients is the avoidance. Apple allergy is due to the presence of four major classes of allergens: Mal d 1 (PR-10/Bet v 1-like proteins), Mal d 2 (Thaumatine-like proteins), Mal d 3 (Lipid transfer protein) and Mal d 4 (profilin). In this work new advances in the characterization of apple allergen gene fa
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34

Pagliarani, Giulia <1981&gt. "Genomic and transcriptional analysis of allergen genes in apple (Malus x domestica)." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2629/.

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Apple consumption is highly recomended for a healthy diet and is the most important fruit produced in temperate climate regions. Unfortunately, it is also one of the fruit that most ofthen provoks allergy in atopic patients and the only treatment available up to date for these apple allergic patients is the avoidance. Apple allergy is due to the presence of four major classes of allergens: Mal d 1 (PR-10/Bet v 1-like proteins), Mal d 2 (Thaumatine-like proteins), Mal d 3 (Lipid transfer protein) and Mal d 4 (profilin). In this work new advances in the characterization of apple allergen gene fa
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35

Petersen, Romina [Verfasser]. "Molecular genetic causes of columnar growth in apple (Malus x domestica) / Romina Petersen." Mainz : Universitätsbibliothek Mainz, 2014. http://d-nb.info/1053846010/34.

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36

Eccher, Giulia. "Setting up of molecular tools for studying abscission in apple (Malus x domestica)." Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427507.

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Abscission is a natural self-regulatory mechanism whereby fruit trees shed part of the fruitlets, and is an important agricultural event from the farmer’s point of view because it directly affects the final size and quality of the commodity. In spite of this self-regulatory mechanism, fruit trees set too many fruitlets negatively affecting not only the final quality, but also the returning bloom. To avoid these effects, farmers perform blossom or fruitlet thinning to adjust crop load and ensure a satisfactory fruit quality at harvest for commercial purposes. Chemical thinning is nowadays a com
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37

Zonin, Elisabetta. "A preliminary survey of molecular factors involved in apple (Malus Domestica Borkh. CV Granny Smith) superficial scald development." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423559.

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Apple storage in controlled atmosphere (CA) can increase the marketing window of apples but at the same time it is an expensive practice and on the basis of cultivar, season, harvest time and storage condition (low O2, low/high CO2, low temperature) apples can develop different physiological disorders. It appears as a darkened area due to necrosis of hypodermal cells especially in Granny Smith and Red Delicious cultivars. Superficial scald annually causes the major economic loss to apple growers worldwide. It can arise after a relative long period (2-4 months) of cold storage with an increase
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38

Degenhardt, Juliana. "Transcript analysis of apple scab susceptible and resistant Malus domestica Borkh. cultivars and establishment of a mannose selection transformation system for apple." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981902340.

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39

Garcia-Villanueva, Eduardo. "Développement conjoint des systèmes aérien et racinaire chez deux génotypes de pommier (Malus X domestica Borkh)." École nationale supérieure agronomique (Montpellier), 2004. http://www.theses.fr/2004ENSA0020.

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L'objectif de la thèse était d'étudier l'existence d'une coordination entre les croissances aériennes et racinaires chez le pommier, en prenant en compte une possible variation intra spécifique. Deux génotypes hybrides créés à l'INRA ont été étudiés à deux stades de développement. D'une part, des arbres ont été observés au verger, sur leurs propres racines (SPR) et greffés sur M9. La topologie des systèmes aériens des deux arbres par modalité a été décrite pour trois années de croissance, et les durées de croissance des pousses moyennes et longues ont été observées au cours de deux saisons de
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40

Chiumarelli, Marcela 1981. "Aplicação de coberturas comestíveis à base de fécula de mandioca e cera de carnaúba em maçãs minimamente processadas." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/255130.

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Orientador: Miriam Dupas Hubinger<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos<br>Made available in DSpace on 2018-08-19T05:28:02Z (GMT). No. of bitstreams: 1 Chiumarelli_Marcela_D.pdf: 10154093 bytes, checksum: 4be89909f1529f8962f3865aa403c013 (MD5) Previous issue date: 2011<br>Resumo: Este estudo visou formular uma cobertura comestível à base de fécula de mandioca, cera de carnaúba e ácido esteárico ou palmítico, avaliando suas propriedades e seus efeitos quando aplicados em maçãs minimamente processadas. Em uma primeira etapa, foram realiza
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41

Falavigna, Vítor da Silveira. "Análise funcional e potencial biotecnológico de desidrinas e galactinol sintases de macieira." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/158089.

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A macieira (Malus x domestica Borkh.) é uma frutífera de clima temperado de grande importância econômica, e sua produtividade está diretamente relacionada à dormência. Além dos genes responsáveis pelo controle molecular, uma série de proteínas e metabólitos também é recrutada para proteger a integridade da gema dormente, destacando-se as desidrinas (DHN) e as enzimas galactinol sintases (GolS). As DHNs são proteínas que atuam na resposta adaptativa vegetal a estresses abióticos, enquanto que GolS são enzimas responsáveis pela síntese de galactinol, essencial à síntese de oligossacarídeos da fa
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42

Gerber, Jaqueline Muniz. "Qualidade de maçã ‘Fuji’ influenciada pela aplicação de fósforo ao solo." Universidade do Estado de Santa Catarina, 2016. http://tede.udesc.br/handle/handle/2435.

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Submitted by Claudia Rocha (claudia.rocha@udesc.br) on 2018-03-05T15:03:53Z No. of bitstreams: 1 PGCS16MA132.pdf: 848698 bytes, checksum: 5897528fb935abd45691ddc9a7e601c1 (MD5)<br>Made available in DSpace on 2018-03-05T15:03:53Z (GMT). No. of bitstreams: 1 PGCS16MA132.pdf: 848698 bytes, checksum: 5897528fb935abd45691ddc9a7e601c1 (MD5) Previous issue date: 2016-01-19<br>Capes<br>Phosphorus (P) fertilization in apple orchards has received less attention than nitrogen (N) and potassium (K) fertilization. In Brazil there is no information about apple response to P application to the soil. Thus,
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43

Sigal-Escalada, Valeria. "INTERACTIONS OF AVG, MCP AND HEAT TREATMENT ON APPLE FRUIT RIPENING AND QUALITY AFTER HARVEST AND COLD STORAGE." UKnowledge, 2006. http://uknowledge.uky.edu/gradschool_diss/448.

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The effects of AVG, an inhibitor of ethylene synthesis, in combination with MCP or heat treatment (HT) on quality traits of several apple cultivars after harvest (AH) or cold storage (ACS), and the involvement of ethylene in the regulation of SDH activity during the last weeks of fruit development were studied. AVG was applied to Royal Gala, Lodi, Senshu, Redchief Delicious and Red Fuji trees 4 weeks before normal harvest (H1). Control and AVG-treated (AVG) fruit were harvested at H1 and treated with MCP or air-heated. Fruit were ripened at room temperature (RT) AH or ACS. Some AVG fruit were
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44

Weigl, Kathleen. "Ansätze zur Verbesserung der Effektivität der Züchtung von Apfel (Malus ×domestica BORKH.) mittels gezielter Verkürzung der juvenilen Phase." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-227968.

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Die Effektivität der Züchtung von Apfel (Malus ×domestica BORKH.) sowie anderen mehrjährigen hölzernen Obstkulturen hängt stark von der langen juvenilen Phase der Sämlinge ab. Die juvenile Phase bei Apfelsämlingen dauert meist fünf bis zehn Jahre. Während dieser Phase sind die züchtungsrelevante Bildung von Blüten und Früchten und die Selektion von Nachkommen anhand adulter Merkmale ausgeschlossen. Die Juvenilität verlängert somit einzelne Kreuzungszyklen drastisch, was einen hohen Zeit- und Kostenaufwand für die Züchter bedeutet. Das Rapid Cycle Breeding System von Apfel ist eine neue Züchtun
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45

Dufour, Magali. "Callogénèse et organogénèse in vitro chez des variétés greffons de pommier cultivé (Malus x domestica Borkh. ) et des variétés porte-greffes (Malus spp. )." Montpellier 2, 1988. http://www.theses.fr/1988MON20203.

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Cette etude constitue la mise au point d'un systeme efficace de regeneration pour l'etude de la variation somaclonale (organogenese apres callogenese) ou pour l'utilisation dans les techniques modernes d'amelioration genetique (organogenese directe). La premiere partie consiste en l'amelioration du microbouturage et de l'enracinement in vitro afin de disposer d'explants en bonnes conditions physiologiques pour les etudes de callogenese et d'organogenese. La callogenese a ensuite ete mise au point et optimisee sur differents types d'explants. Les cals ont ete caracterises morphologiquement et h
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46

Torres, Lezcano Estanis. "Desarrollo de métodos de predicción de la incidencia de 'bitter pit' en plantaciones de manzanas ‘Golden Smoothee’ (Malus domestica, L. Borkh.)." Doctoral thesis, Universitat de Lleida, 2018. http://hdl.handle.net/10803/665244.

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El bitter pit és la fisiopatia més important en molts cultivars de pomes. No obstant, no existeix una estratègia completament efectiva per al seu control, per aquest motiu, un mètode de predicció que identifiqui anys i plantacions amb un alt potencial de desenvolupar la fisiopatia permetrà evitar pèrdues econòmiques, especialment durant la conservació i confecció. L’objectiu principal de la present tesi doctoral va ser la posada a punt d’un sistema de predicció de la incidència del bitter pit en plantacions de poma ‘Golden Smoothee’. Per això, es van investigar diferents mètodes basats en t
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47

Spolti, Piérri. "Epidemiologia e controle de fuligem e sujeira de mosca em macieiras (Malus x domestica Borkh) no Sul do Brasil." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/83832.

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A cultura da macieira no Brasil ocupa uma área de 35 mil hectares, concentrada nos estados do Sul do país. Apesar do alto patamar técnico atingido, a cultura sofre o ataque e perdas por inúmeras doenças, dentre as quais, incluem-se a Fuligem e a Sujeira de Mosca (F&SM). Classificadas como doenças secundárias, reduzem o valor de comercialização dos frutos in natura, pela formação de manchas escuras na epiderme dos frutos como resultado da colonização epífita por fungos na superfície das maçãs. No Brasil, dados referentes à biologia de F&SM restringem-se a testes de eficiência de fungicidas ou p
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48

Tessele, Carolina. "Mapeamento genético em populações de maçã (Malus X domestica Borkh) de caracteres agronômicos associados à exigência de frio hibernal." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/143789.

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A macieira necessita de estímulo do frio para a queda das folhas ao final do ciclo, à dormência hibernal e a sua quebra desta. A não ocorrência adequada de frio no período do inverno resulta em brotação e florescimento irregular, resultando em desenvolvimento vegetativo e reprodutivo deficientes. Os objetivos deste trabalho foram de caracterizar indivíduos da população F1 para caracteres associados ao requerimento de frio hibernal como data de brotação e floração, construir um mapa genético de ligação em população clonal F1 e mapear QTLs associados a estes caracteres. Os genótipos da população
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49

Schiller, Doreen [Verfasser], Wilfried [Akademischer Betreuer] Schwab, and Peter [Akademischer Betreuer] Schieberle. "Funktionelle Charakterisierung von Lipoxygenasen des Kulturapfels (Malus x domestica Borkh.) / Doreen Schiller. Gutachter: Peter Schieberle ; Wilfried Schwab. Betreuer: Wilfried Schwab." München : Universitätsbibliothek der TU München, 2015. http://d-nb.info/1068002263/34.

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50

Lezzer, Paolo <1980&gt. "Architectural development and dry matter production in a multisite trial on single and multiaxis apple trees (Malus domestica Borkh) grafted on different rootstocks." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2011. http://amsdottorato.unibo.it/3969/1/lezzer_paolo_tesi.pdf.

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In two Italian sites, multiaxis trees slightly reduced primary axis length and secondary axis length of newly grafted trees, and increased the number of secondary shoots. The total length, node production, and total dry matter gain were proportional to the number of axis. Growth of both primary and secondary shoots, and dry matter accumulation, have been found to be also well related to rootstock vigour. A great variability in axillary shoot production was recorded among different environments. Grafted trees had higher primary growth, secondary axis growth, and dry matter gain than chip bud
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