Dissertations / Theses on the topic 'Rootstock'
Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles
Consult the top 50 dissertations / theses for your research on the topic 'Rootstock.'
Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.
You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.
Browse dissertations / theses on a wide variety of disciplines and organise your bibliography correctly.
Young, Deborah, Bob Beede, and Talbott Starlings. "Pistachio Rootstock Evaluation." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/215742.
Full textBIANCHI, DAVIDE. "GRAPEVINE ROOTSTOCK CHARACTERIZATION FOR DROUGHT TOLERANCE." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/896313.
Full textWright, Glenn C., and Marco A. Peña. "Lemon Rootstock Trials in Arizona – 2002-03." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/198117.
Full textWright, Glenn C., and Marco A. Peña. "Lemon Rootstock Trials in Arizona – 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198101.
Full textWright, Glenn C., and Marco A. Peña. "Lemon Rootstock Trials in Arizona - 2006-07." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223663.
Full textWright, Glenn C., and Marco Peña. "Lemon Rootstock Trials in Arizona - 2001-02." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/223675.
Full textTaylor, Kathryn C. "Molecular Basis of Rootstock-Scion Incompatibility in Macrophylla Decline May Reveal Useful Information for Screening Compatible Rootstock-Scion Combinations." College of Agriculture, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/220565.
Full textJacobs, Johannes N. (Johannes Nicolaas). "Rootstock and dormancy studies in apple and pear." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52441.
Full textENGLISH ABSTRACT: Delayed foliation is commonly observed in apple and pear producing countries with warm and/or short winter climates, resulting in less synchronised budburst, of fewer buds and reduced yield. Applications of rest-breaking agents minimise the symptoms of delayed foliation. According to chilling models used in fruit producing areas of the world, the climate of South Africa is not suitable for deciduous fruit production, however fruit has been successfully produced here for a long time. This study aimed to quantify the effects of freezing temperatures, different chilling temperatures and the period of chilling, to obtain a better knowledge of bud dormancy release on apple and pear shoots. The chilling period was the most important factor influencing the progression of dormancy. While in some cases the chilling temperature and the freeze treatment effects were significant, the contribution to differences in the progression of dormancy was negligible. Our findings indicate that currently used chilling models should emphasise the time of exposure to low temperatures more than the difference in temperatures between I to ro-c. The South African apple and pear industry made good progress in moving towards high density plantings, but large variation in soil types, non-optimum growing conditions, replant situations and a lack experience with dwarfing rootstocks limited further development. However, there is sti II an urgency to obtain higher early yields of good quality fruit applying the most efficient production practices. We aimed to quantify the field performance of locally available apple and pear rootstocks, in particular from data outside of previously reported local trials, as well as early production of newly planted trials. Information obtained form the industry indicates that BPI and BP3 are the preferred pear rootstocks. From production records of 'Packham's Triumph' pears, it appeared that BP3 and OHxF97 produced the best yields compared to the other rootstocks. Production of 'Doyenne du Cornice' was the best on QA and BP3. In newly planted 'Rosemarie', 'Flamingo', and 'Forelle' trials, different rootstocks were evaluated. 'Rosemarie' showed indications 01 incompatibility with QA and QC5 I, but on BPI and QA with a 'Beurre Hardy' interstock produced good initial yields although BPI induced slightly larger trees. 'Flamingo' on QA and QC51 produced the best yields. 'Forelle' on BPI, BP3, and QA produced similar yields up to the 4th leaf. For apples M793 seems to be the preferred rootstock in the South African industry. From production records of 'Golden Delicious' and 'Granny Smith' apples, it appeared that M793 and MM 106 produced the best yields when compared to Seedling rootstock. In a 'Cripps' Pink' trial, MMI09, M793 and M25 were more vigorous than M7, MMlll and MMI06. MMI06 was cumulatively, over four years from planting, the most yield efficient, although no consistent trend regarding fruit quality was observed between the rootstocks evaluated.
AFRIKAANSE OPSOMMING: Vertraagde bot word algemeen opgemerk in appel en peer produserende lande met n' warm enlof kort winter klimaat, wat veroorsaak dat bot van minder knoppe, meer ongelyk plaasvind en gevolglik lei tot swakker opbrengste. Toediening van rus-breek middels beperk die simptome van vertraagde bot. Volgens koue modelle wat in vrugte produserende areas in die wereld gebruik word, is Suid Afrika se klimaat nie geskik vir die verbouing van sagtevrugte nie alhoewel sagtevrugte al vir n lang tyd met groot sukses hier verbou word. Hierdie studie is daarop gemik om die effek van vries temperature, verskillende koue temperature en die periode van koue op die vrystelling van dormansie op knoppe van appel en peer lote te kwantifiseer. Die peri ode van koue was die mees belangrikste faktor wat die ontwikkeling van dormansie beinvloed het. In sommige gevalle was die effek van die koue temperature betekenisvol, maar die bydrae tot die verskille in die ontwikkeling van dormansie was weglaatbaar klein. Ons bevindinge dui aan dat die huidige koue modelle wat gebruik word, meer klem moet le op die periode van blootstelling aan koue as aan die effek van verski llende temperature tussen 1 en 10°e. Die Suid Afrikaanse appel en peer bedryf het goeie vordering in die beweging na hoe digtheid aanplantings gemaak, maar groot verskille in grond tipes, sub-optimale groei toestande, herplant probleme en n' tekort aan ondervinding met dwergende onderstamme het verdere ontwikkeling beperk. Ten spyte hiervan is daar steeds n' dringendheid om hcer produksies, van goeie kwaliteit vrugte so vroeg as moontlik te kry deur die toepassing van die mees effektiewe produksie praktyke. Ons het gepoog om die prestasie van plaaslik beskikbare appel en peer onderstamme te kwantifiseer, in besonder deur data wat nog nie van tevore oor verslag gedoen is nie en ook deur te meld van vroee produksies op nuut aangeplante proewe. lnformasie uit die bedryf het aangedui dat BP 1 en BP3 die voorkeur peer onderstamme is. Deur na die produksie geskiedenis van 'Packham's Truimph' pere te kyk kom dit voor of BP3 en OHxF97 die beste produksies in vergelyking met die ander onderstamme gelewer het. Die produksie van 'Doyenne du Com ice' was die beste op QA en BP3. In nuut geplante 'Rosemarie', 'Flamingo', en 'Forelle' pro ev e was verskillende onderstammc gecvalueer. 'Rosemarie' het tekens van onverenigbaarheid getoon met QA en Q 51, maar op BP 1 en QA met n 'Beurre Hardy' tussenstam het 'Rosemarie' goeie aanvanklike opbrengste gel ewer, al was bome op BP 1 effens grater. 'Flamingo' op QA en QCS 1 het die beste opbrengste gelewer. 'Forelle' op BP 1, BP3, en QA het ongeveer ewe veel tot die 4dc blad geproduseer. By appels is M793 die voorkeur onderstam van die Suid-Afrikaanse appel bedryf. M793 en MM 106 gee beter opbrengste as Saailing onderstam wanner die produksie geskiedenis van 'Golden Delicious' en 'Granny Smith' appels evalueer word. In n' 'Cripps' Pink' proefwas MMI09, M793 en M2S meer groeikragtig as M7, MMlil en MMI06. MM I 06 het kumulatief meer geproduseer en was ook meer produsie doeltreffend tot en met die 4de blad na plant. Daar was egter geen konstante neiging rakende vrug kwaliteit tussen die verskillende onderstamme wat getoets is nie.
CARAMANICO, LEILA. "STUDY OF GRAPEVINE ROOTSTOCK RESPONSE TO WATER STRESS." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/707586.
Full textMadeira, Cláudia Isabel Delgado. "Estudo comparativo do comportamento agronómico de cinco clones de perreira (Pyrus communis L.) cv. Rocha em três porta-enxertos." Master's thesis, ISA/UTL, 2012. http://hdl.handle.net/10400.5/5327.
Full textWith the aim of evaluating the potential of five ‘Rocha’ pear clones (1, 2, 4c, T and Z), a field trial was conducted at APAS orchard, located in Cadaval (Sobrena). All the clones were grafted onto Provence BA-29, EMA and Sydo rootstocks and trees grown under identical soil and climate conditions. The agronomic characteristics and economic results were evaluated from 2006 until 2011 corresponding to the 5th and 10th year of the orchard. The field trial indicated that there isn’t an ideal combination of clone/rootstock leading to earlier pear production, trees with medium vigour, high fruit size, rounded shape fruits and good fruit quality. Combinations of Z/Sydo, 2/Sydo and T/Sydo reached the highest yields per unit/tree while the most productive was T/Sydo followed by Z/Sydo with a revenue of 42.968,3 €.ha-1 and 38.551,7 €.ha-1, respectively. Among the clones there were slight differences in fruit quality, the clones 4c, 1 and T produced pears with the highest fruit size and roundest shape fruits while the fruits of the clone T had the highest total solid soluble content. The rootstock Sydo achieved better results when comparing to BA-29 and EMA, resulting in earlier production of pears and increased yields, high fruit size and better shaped fruits.
Wright, G. C., and M. Wilcox. "Cultivar and Rootstock Research for the Arizona Citrus Industry." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/220556.
Full textHirst, Peter Michael. "Rootstock effects on growth, bud development and flowering of apple /." The Ohio State University, 1994. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487856906261525.
Full textPeccoux, Anthony. "Molecular and physiological characterization of grapevine rootstock adaptation to drought." Thesis, Bordeaux 2, 2011. http://www.theses.fr/2011BOR21864/document.
Full textClimate change raises concerns about temporal and spatial water availability in many grape growing countries. The rapidly increasing world population and the scarcity of suitable land for agricultural food production, together with a changing climate, will increase competition with grape-producing areas for the use of land and resources. Consequently, other practices that can potentially improve water management of vineyards and water acquisition by grapevines need to be considered. Aside from canopy systems and their management, the choice of plant material is a key issue. Therefore, in the present work, the role of different rootstocks, regarding their tolerance to drought, was investigated for their potential effects on i) water uptake, ii) water transport and iii) shoot water use, using a combination of ecophysiological, modelling and transcriptomic approaches. Experiments were conducted under controlled conditions to decipher short and long term responses to drought of different rootstocks grafted with the same scion. An ecophysiological model was used to investigate the roles of rootstock genotypes in the control of stomatal aperture. Long-term steady state water-deficit conditions were used to examine the responses of i) whole plant growth, root anatomy and hydraulic properties and ii) transcriptome remodelling in the roots.Our model showed that rootstock affect stomatal aperture of the grafted scion via coordinated processes between root traits, hydraulic signals and chemical signals. Stomatal conductance, transpiration rate and leaf-specific hydraulic conductance were higher and better maintained under well-watered and moderate water-deficit conditions in the drought-tolerant genotype (110 Richter) compared to the drought-sensitive one (Vitis riparia cv. Gloire de Montpellier). We identified several genotype-specific parameters which play important roles, like root-related parameters, in the control of stomatal regulation. Additionally, root system architecture and root hydraulic properties are important constitutive traits identified between rootstocks.Long-term water-deficit induced genotype adaptive responses in the roots were evaluated. The drought-tolerant genotype exhibited a substantial shift in root tips xylem conduit diameter under moderate water-deficit while the drought-sensitive genotype did not respond. Transcriptomic analysis identified genotype-specific transcripts that are regulated by water-deficit levels. The comparison between stress levels and genotypes identified 24 significant genes in “treatment×genotype” interactions, most of them were involved in lipid metabolism and cell wall processes. These genes displayed genotype-specific water-deficit response curves. Protection against drought-induced oxidative damage was found to be an important mechanisms induced by the drought-tolerant rootstock, while the drought-sensitive one responds to water-deficit by modification of cell wall properties
Berdeja, Aramayo Mariam. "Effects of water stress and rootstock genotype on grape berry composition." Thesis, Bordeaux 2, 2013. http://www.theses.fr/2013BOR22103/document.
Full textClimate change is expected to influence crop production and to impact negatively the agricultural sector in the future. Among the major crops cultivated worldwide, grapevine provides berries that are the basis of high added value products (wines, liquors, and secondary metabolites used in the pharmaceutical and cosmetological industry) and whose metabolism is strongly sensitive to climate (vintage effect). However, the response of berry composition and the molecular mechanisms underlying the ability of rootstock/scion interaction to influence grape berry metabolism under drought stress are still poorly understood. In this context, this work aimed to fill the gaps on the aforementioned questions by combining comprehensive ecophysiological measurements, detailed metabolite analysis, and whole-genome transcriptome analysis. Vitis vinifera cv. Pinot noir grafted on either rootstock 110R (drought tolerant, mid- to high vigor) or 125AA (drought sensitive, high vigor) were studied during three growing seasons (2009, 2010, and 2011) in the field under normal rainfall or water shortage conditions. We characterized different physiological parameters (water status and yield components) and berry metabolomic profiles (sugars, organic acids, free amino acids and anthocyanins) during four developmental stages (E-L 33, E-L 35, E-L 36, E-L 38). Besides we also performed a microarray analysis in two years (2009 and 2010) at two critical and representative developmental stages (E-L 35 and E-L 36). Overall, this work provides novel insights into the response of grape berry metabolites to rootstock and to drought and uncovers some possible molecular mechanisms underlying the berry response to different rootstock/water status combinations
Bach, Dan. "The Double-Cut Techniques for Grafting Cacti to Trichocereus pachanoi Rootstock." University of Arizona (Tucson, AZ), 2009. http://hdl.handle.net/10150/556561.
Full textWright, Glenn C. "Early Results of Scion and Rootstock Trials for Lemon in Arizona." College of Agriculture, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/220560.
Full textWright, Glenn C. "Results of Scion and Rootstock Trials for Citrus in Arizona - 1997." College of Agriculture, University of Arizona (Tucson, AZ), 1998. http://hdl.handle.net/10150/220571.
Full textWright, Glenn C., Philip A. Tilt, and Marco A. Peña. "Results of scion and rootstock trials for citrus in Arizona - 1998." College of Agriculture, University of Arizona (Tucson, AZ), 1999. http://hdl.handle.net/10150/222514.
Full textWright, Glenn C., and Marco A. Peña. "Results of Scion and Rootstock Trials for Citrus in Arizona -- 1999." College of Agriculture, University of Arizona (Tucson, AZ), 2000. http://hdl.handle.net/10150/223842.
Full textWright, Glenn C., and Marco A. Peña. "Results of Scion and Rootstock Trials for Citrus in Arizona - 2000." College of Agriculture, University of Arizona (Tucson, AZ), 2002. http://hdl.handle.net/10150/226096.
Full textHolefors, Anna. "Genetic transformation of the apple rootstock M26 with genes influencing growth properties /." Alnarp : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5477-8.pdf.
Full textFacey, Shaina Thomasina. "Detection of grapevine leafroll associated virus 3 in South African rootstock clones." Diss., University of Pretoria, 2019. http://hdl.handle.net/2263/77814.
Full textDissertation (MSc)--University of Pretoria, 2019.
Microbiology and Plant Pathology
MSc
Unrestricted
Scott, Lance V. "Precision Drought Stress in Orchards: Rootstock Evaluation, Trunk Hydration and Canopy Temperature." DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/5407.
Full textCampen, R. "The control of rooting of MM106 apple tree rootstocks." Thesis, De Montfort University, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.384508.
Full textExadaktylou, Efstathia. "Vegetative propagation of Gisela 5 cherry rootstock and its susceptibility to commercially significant pathogens." Thesis, University of Essex, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.495531.
Full textCherif, Hayett. "EFFECT OF IBA AND DMSO ON IMPROVING BENCHGRAFT RESPONSE OF VITIS CHAMPINI 'DOG-RIDGE' ROOTSTOCK." Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275367.
Full textFallahi, Esmaeil, David Ross Rodney, and Herbert McDonald. "Influence of Rootstocks on Yield and Quality of "Redblush" Grapefruit." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/215692.
Full textThomson, C. C. "Rootstock and canopy density effects on grape berry composition : organic acid composition, potassium content and pH." Lincoln University, 2006. http://hdl.handle.net/10182/772.
Full textBirks, Peter Melville. "Relationships between climate indices, phenology and berry composition of Touriga Nacional in the Dão wine region." Master's thesis, ISA/UL, 2012. http://hdl.handle.net/10400.5/8611.
Full textDespite the expansion and increasing popularity of Touriga Nacional in Portugal, there has not been extensive research into the variety’s response to different climate characteristics. The objective of this research was to test the relationships between different climate indices and berry composition and Phenology in Touriga Nacional in the Dão winegrowing region of Portugal. From the available data we can also explore any evolution of the climate, berry composition and phenology during the recorded years. Climate and plant data were analysed from records collected at the ‘Centro de Estudos Vitivinícolas do Dão’ in the Dão wine region of northern Portugal between 1963-2010. Six common climate indices were calculated from the climate data for each year of the recorded period. Berry composition and phenology records of Touriga Nacional planted at the research centre from the same period were also analysed. Any trends or changes in climate or plant data were analysed over the recorded period. All climate indices were correlated against the plant data results to investigate any relationships. An increase in the Growing Season Temperature Index (GST) during the studied period was observed that agreed with studies over a similar period in other parts of Europe. Various climate indices had some correlations with grape and vine parameters; generally acidity showed a reduction with increases in temperature-based indices. Budburst and harvest dates were confirmed to be hastened by higher temperatures. Also yield had a positive correlation with the Huglin Index (HI). HI had a better correlation with plant parameters because it is calculated over a 6-month (instead of 7-month) period. Understanding the relationship between Touriga Nacional and climate indices can help producers maximise the potential of this important Portuguese variety, as well as aid its expansion into other Portuguese regions and other regions throughout the world
Hatch, Tremain Archer. "Groundcover, rootstock and root restriction effects on vegetative growth, crop yield components, and fruit composition of Cabernet Sauvignon." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/78134.
Full textMaster of Science
Wicks, T. J. "Phytophthora crown rot of almond and cherry trees : pathogens, rootstock and scion susceptib[i]lity and control /." Title page, table of contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phw637.pdf.
Full textHill, Brycen Thomas. "Root restriction, under-trellis cover cropping, and rootstock modify vine size and berry composition of Cabernet Sauvignon." Thesis, Virginia Tech, 2017. http://hdl.handle.net/10919/75223.
Full textMaster of Science
Chia, Po-Lung. "End-of-day Far-red Light Quality and Dose Effects on Elongation of Tomato Rootstock Seedling Hypocotyls." Thesis, The University of Arizona, 2009. http://hdl.handle.net/10150/193454.
Full textPimentel, Junior Adilson 1992. "Comportamento da videira Niagara Rosada em diferentes porta-enxertos e sistemas de condução do cordão principal /." Botucatu, 2017. http://hdl.handle.net/11449/150446.
Full textBanca: Sarita Leonel
Banca: Mara Fernandes Moura
Resumo: Objetivou-se avaliar a influência dos sistemas de condução do cordão principal e de porta-enxertos no desenvolvimento vegetativo, na fertilidade de gemas, na produção, nas características físico-químicas dos cachos e bagas e na evolução da maturação da uva 'Niagara Rosada'. O experimento foi realizado nos ciclos produtivos de 2014 e 2015 no município de São Manuel-SP (22° 44' S e 48° 34' O e 740 m). As plantas foram sustentadas em espaldeira baixa no espaçamento de 2,0 x 0,80 m. O delineamento experimental foi em blocos casualizados em esquema fatorial 2 x 2, correspondendo aos dois porta-enxertos ('IAC 766' e 'IAC 572') e dois sistemas de condução do cordão principal (unilateral e bilateral). Foram avaliados o número de gemas do cordão principal e o número de ramos por planta, fertilidade de gemas, comprimento, diâmetro e massa fresca dos mesmos. Durante o ciclo foram avaliadas a duração dos estádios fenológicos e a evolução da maturação das uvas. Na colheita, avaliaram-se: número de cachos por planta, produção; produtividade; massa fresca, comprimento e largura de cachos, bagas e engaços; número de bagas por cacho e relação entre comprimento e largura da baga. O mosto da uva foi avaliado quanto ao teor de sólidos solúveis (SS), acidez titulável (AT), relação SS/AT, pH e açúcares redutores. De modo geral, o sistema de condução recomendado para produção de uvas com qualidade comercial para a 'Niagara Rosada' consiste no cordão bilateral com o porta-enxerto 'IAC 766' sustentad... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The aim of this study was to evaluate the influence of training systems main cord and rootstock 'IAC 766' and 'IAC 572' in the vegetative development, bud fertility, production and the physicochemical characteristics of bunches and berries of grape 'Niagara Rosada'. The experiment was conducted in the productive cycles of 2014 and 2015 at the Experimental Farm of the Faculty of Agricultural Sciences/UNESP, located in São Manuel, SP (22º 44' S and 48º 34' W and 740 m). The plants were spaced 2,0 x 0,80 m, in espalier support system low. The treatments consisted of the combination of two rootstocks ('IAC 766' and 'IAC 572') and two training systems of the main cord (unilateral and bilateral). Were avaluated the bud number of the main cord and the number of branches per plant, the fertility evaluation of bud, length, diameter and fresh weight thereof. During the cycle were evaluated, the duration of phenological stages and the evolution of maturation the grapes. At harvest, were evaluated: number of bunches per plant; production; productivity; fresh weight, length and width of bunches, berries and stems; number of berries per cluster and the relationship between length and width of berry. The must grape was evaluated for soluble solids (SS), titratable acidity (AT), relationship SS/AT, pH and reducing sugars. In general, the recommended conduction system for commercial quality grapes for 'Niagara Rosada' consists of the bilateral cord with the 'IAC 766' rootstock, which is supported by a low espalier in the central-western region of the State of São Paulo ...
Mestre
Wright, Glenn C., and Marco A. Peña. "Results of New Cultivar Selection Trials for Orange in Arizona - 2003." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/198092.
Full textWright, Glenn C., and Marco A. Peña. "Results of New Cultivar Selection Trials for Lemon in Arizona - 2002." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/198109.
Full textWright, Glenn C., and Marco A. Peña. "Established ‘Lisbon’ Lemon Trials in Arizona – 2002-03." College of Agriculture, University of Arizona (Tucson, AZ), 2003. http://hdl.handle.net/10150/198116.
Full textAdams, Stuart W. "The Effects of Rootstock, Scion, Grafting Method and Plant Growth Regulators on Flexural Strength and Hydraulic Resistance of Apple." DigitalCommons@USU, 2016. https://digitalcommons.usu.edu/etd/5075.
Full textThompson, Ashley A. "The Effects of Rootstock Selection and Carbon-based Fertility Amendments on Apple Orchard Productivity and Soil Community Ecology." Diss., Virginia Tech, 2016. http://hdl.handle.net/10919/83441.
Full textPh. D.
Morales, Alfaro Julia. "Effect of Rootstock on the Fruit Quality of Mandarins "Clemenules" and "Tango", and Blood Oranges "Tarocco Rosso" and "Moro"." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/165858.
Full text[CA] La citricultura s'enfronta constantment a escenaris ambientals canviants que provoquen diferents estressos biòtics i abiòtics. El patró sobre el qual s'empelta una varietat específica és una important eina per a millorar la seua adaptabilitat agronòmica en cada àrea de cultiu. En la present Tesi s'ha dut a terme l'estudi de l'efecte del patró sobre la qualitat físic-química i nutricional de la fruita en varietats de gran interés comercial, mandarines 'Clemenules' i 'Tango' i, taronges sanguines 'Tarocco Rosso' i 'Moro'. En 'Clemenules' es va dur a terme l'avaluació de la qualitat de la fruita d'arbres empeltats sobre huit patrons en tres moments de collita, en dues campanyes. Entre els patrons avaluats, Forner-Alcaide 13 i C-35 van destacar per avançar el canvi de color. D'altra banda Forner-Alcaide V17 va destacar per mantindre nivells òptims d'acidesa fins al final de la campanya i va presentar el major contingut en vitamina C, flavonoides, glucosa i fructosa. Carrizo Citrange també va induir altes concentracions de sacarosa i vitamina C en la fruita. 'Tango' és una mandarina de recent introducció en l'àrea mediterrània amb gran interés pel seu període de recol·lecció que comença quan finalitza el de les clementines. En la present Tesi es van estudiar els canvis en la qualitat físic-química, nutricional i sensorial de la mandarina Tango empeltada sobre dos patrons (Carrizo Citrange i Forner-Alcaide 5) durant el període de collita en les dues àrees principals de producció d'Andalusia. La qualitat de la fruita es va veure influenciada per la localització, la qual cosa es va relacionar amb la composició de la textura del sòl. En totes dues localitzacions, Forner-Alcaide 5 va ser el patró que va induir major contingut en acidesa, sòlids solubles totals, sacarosa, vitamina C i àcid cítric en la fruita. Les determinacions físic-químiques i l'avaluació sensorial van permetre establir el moment òptim de recol·lecció depenent de les diferents condicions estudiades. També s'ha inclòs un estudi del comportament postcollita d'aquesta varietat, ja que no existien dades en les nostres condicions de cultiu. La mandarina 'Tango' va presentar símptomes externs de danys per fred a partir dels 20 dies emmagatzemada a 1°C i 5°C. Es va realitzar un estudi micro-estructural per a caracteritzar l'alteració provocada per les baixes temperatures. Els fruits del patró Forner-Alcaide 5 van presentar una menor incidència dels danys per fred. L'emmagatzematge a 9°C no va comprometre la qualitat externa o interna d'aquesta varietat. Dins del grup de taronges, en els últims anys existeix una creixent demanda per les taronges sanguines pel seu consum en fresc. Per a avaluar l'efecte del patró sobre sanguines es van prendre dues varietats, 'Moro' i 'Tarocco Rosso' empeltades sobre huit patrons. La qualitat interna es va veure influenciada pel moment de collita, la qual cosa va ser més evident en la varietat 'Moro'. En totes dues varietats el patró va afectar els canvis en els paràmetres de qualitat estudiats. En 'Moro', es va observar una reducció en el color del suc degut a la degradació del antocians. Aquesta degradació es va relacionar amb el canvi de la temperatura experimentada durant el període de recol·lecció. 'Tarocco Rosso' és menys sensible als canvis de temperatura. En aquesta varietat els patrons Forner-Alcaide 5 i Forner-Alcaide 13 van produir la fruita amb major contingut en antocianos i sucres. A mes s'aporta l'estudi de l'aptitud a la frigoconservació en les sanguines 'Tarocco Rosso' i 'Sanguinelli'. Mentre que la qualitat interna no es va veure afectada per l'emmagatzematge a cap de les temperatures assajades (1°C, 5°C i 9°C) durant 45 dies, la fruita va presentar símptomes de danys per fred a 1°C. `Sanguinelli' va presentar major incidència que 'Tarocco Rosso'. La fruita es pot emmagatzemar entre 5°C i 9°C durant 30 dies en el cas de 'Sanguinelli' i fins a 45 en e
[EN] Citriculture faces changing environmental scenarios that cause biotic and abiotic stress. The rootstock onto which a specific variety is grafted is an important tool to help to improve its agronomic adaptability to each crop area. The present Thesis was carried out to study the effect of rootstock on physico-chemical and nutritional fruit quality in some varieties of commercial interest today: 'Clemenules' and 'Tango' mandarins, and 'Tarocco Rosso' and 'Moro' blood oranges. In 'Clemenules', the fruit of the trees grafted into eight rootstocks at three harvest times was evaluated by performing studies during two seasons. Forner-Alcaide 13 and C-35 Citrange stood out for their earlier color change, which is very interesting for this variety, in which early harvesting is a relevant aspect from the commercial point of view. Forner-Alcaide V17 stood out for maintaining optimum acidity levels until the season ended and presented the highest contents in vitamin C, flavonoids, glucose and fructose. Carrizo Citrange brought about high concentrations of sucrose and vitamin C in fruit. 'Tango' is a mandarin variety that has been recently introduced into the Mediterranean Region. Its harvest time is very interesting because it starts when that of clementines ends. The present Thesis studies changes in the physico-chemical, nutritional and sensorial quality of 'Tango' fruit grafted onto two rootstocks (Carrizo Citrange and Forner-Alcaide 5) during the harvest period in the two main production areas in Andalusia. The results revealed that fruit quality during harvest was influenced by the location, which was particularly related to soil texture composition. In both areas, Forner-Alcaide 5 was the rootstock that induced higher acidity content, and more total soluble solids, sucrose, vitamin C and citric acid in fruit. The physico-chemical determinations, along with the sensorial evaluation, allowed the optimum harvest time to be established depending on the different studied conditions. This Thesis also includes a study about this variety's postharvest behavior as no data are available for our crop conditions. The 'Tango' mandarin presented outer chilling injury symptoms after being stored for 20 days at 1°C and 5°C. A microstructural study was done to characterize the alteration caused by low temperatures. The Forner-Alcaide 5 rootstock fruit showed a lower chilling injury incidence. Storage at 9°C did not compromise quality fruit. Among oranges, demand for blood oranges to be eaten fresh has grown in recent years, basically due to their high content in anthocyanins and their positive effect for human health. To assess the effect that rootstock had on blood oranges, two varieties were taken, 'Moro' and 'Tarocco Rosso', grafted onto eight rootstocks. Internal quality was strongly influenced by harvest time, which was more evident for 'Moro'. In both varieties, rootstock affected changes in the quality parameter studied. In 'Moro', juice color faded as anthocyanins degraded, and rootstocks C-35 Citrange, Macrophylla and Volkameriana showed the most marked reduction. Such anthocyanin degradation was related to the change in temperature that took place during the harvest period. In 'Tarocco Rosso', anthocyanins did not undergo degradation, which suggests that this variety is less sensitive to changes in temperature. In this variety, rootstocks Forner-Alcaide 5 and Forner-Alcaide 13 gave fruit with a higher content of anthocyanins and sugars. This Thesis also includes a study of the suitability of cold storage of two blood orange varieties: 'Tarocco Rosso' and 'Sanguinelli'. Although storage at any tested temperature (1°C, 5°C and 9°C) did not affect internal quality for 45 days, fruit displayed chilling injury symptoms at 1°C, with a higher incidence for 'Sanguinelli' than for 'Tarocco Rosso'. Fruit can be stored between 5°C and 9°C for 30 days for 'Sanguinelli' and for up to 45 days with 'Tarocco Rosso'.
This study has been supported by Instituto Valenciano de Investigaciones Agrarias and co-financed by FEDER and European Social Fund. The authors thank Anecoop S. Coop. and Frutaria Agricultura, S.L for supplying the fruit herein used and its technical support.
Morales Alfaro, J. (2021). Effect of Rootstock on the Fruit Quality of Mandarins "Clemenules" and "Tango", and Blood Oranges "Tarocco Rosso" and "Moro" [Tesis doctoral]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/165858
TESIS
Wright, Glenn C. "‘Lisbon’ Lemon Selection Trials in Arizona – 2004-05." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/198089.
Full textWright, Glenn C. "Cultivar Selection Trials of Navel Orange in Arizona for 2004-05." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/198090.
Full textWright, Glenn C. "Results of New Cultivar Selection Trials for Lemon in Arizona – 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198102.
Full textWright, Glenn C. "Mandarin Selection Trials in Arizona – 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198103.
Full textWright, Glenn C. "‘Lisbon’ Lemon Selection Trials in Arizona – 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198120.
Full textWright, Glenn C. "Cultivar Selection Trials of Navel Orange in Arizona for 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198121.
Full textWright, Glenn C. "'Lisbon' Lemon Selection Trials in Arizona - 2006-07." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223664.
Full textWright, Glenn C. "Results of New Cultivar Selection Trials for Lemon in Arizona - 2006-07." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223665.
Full textWright, Glenn C. "Mandarin Selection Trials in Arizona - 2004-05." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/223678.
Full textWright, Glenn C. "Pollination of W. Murcott Afourer Mandarins." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223681.
Full text