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Dissertations / Theses on the topic 'Rootstock'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

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.

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2

BIANCHI, DAVIDE. "GRAPEVINE ROOTSTOCK CHARACTERIZATION FOR DROUGHT TOLERANCE." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/896313.

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Grapevine is worldwide grafted on rootstocks to create a biological barrier to the phylloxera (Daktulosphaira vitifoliae). Despite the key role of rootstock in the adaptation to environmental conditions, a limited number of genotypes is available for winegrowers, showing a narrow genetic background. The gap between the importance of rootstocks in abiotic stress tolerance and their low genetic variability leads to consider rootstock breeding as a promising strategy to face climate change. In the last decades, new breeding programs were developed with the aim to provide new rootstocks able to co

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3

Wright, 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.

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In a rootstock evaluation trial planted in 1993, five rootstocks, ‘Carrizo’ citrange, Citrus macrophylla, ‘Rough Lemon’, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1994-2002 yield and packout results indicate that trees on C. macrophylla, C. volkameriana and ‘Rough Lemon’ are superior to those on other rootstocks in both growth and yield. C. macrophylla is outperforming C. volkameriana. For the second year in a row, ‘Rough Lemon’ trees performed similarly to C. macrophylla and better than C. volkameriana. ‘Swingle’ an

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4

Wright, 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.

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In a rootstock evaluation trial planted in 1993, five rootstocks, ‘Carrizo’ citrange, Citrus macrophylla, ‘Rough Lemon’, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1994-2005 yield and packout results indicate that trees on C. macrophylla, C. volkameriana and ‘Rough Lemon’ are superior to those on other rootstocks in both growth and yield. C. macrophylla is no longer outperforming C. volkameriana. ‘Swingle’ and Carrizo’ are performing poorly.

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Wright, 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.

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In a rootstock evaluation trial planted in 1993, five rootstocks, 'Carrizo' citrange, Citrus macrophylla, 'Rough Lemon', Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1994-2006 yield and packout results indicate that trees on C. macrophylla, C. volkameriana and ‘Rough Lemon’ are superior to those on other rootstocks in both growth and yield. C. macrophylla does not consistently outperform C. volkameriana. 'Swingle' and Carrizo’ are performing poorly.

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6

Wright, 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.

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In a rootstock evaluation trial planted in 1993, five rootstocks, 'Carrizo' citrange, Citrus macrophylla, 'Rough Lemon', Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1994-2002 yield and packout results indicate that trees on C. macrophylla, C. volkameriana and 'Rough Lemon' are superior to those on other rootstocks in both growth and yield. C. macrophylla is outperforming C. volkameriana. For the second year in a row, 'Rough Lemon' trees performed similarly to C. macrophylla and better than C. volkameriana. 'Swingle' and 'Carr

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7

Taylor, 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.

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Several differentially expressed markers of compatibility or incompatibility were isolated and are being molecularly characterized One marker is present in young Eureka on Macrophylla trees and on Macrophylla decline affected, Eureka on Macrophylla trees, while absent on healthy, Eureka on Macrophylla trees of the same combination. A second marker appears similar to a gene that encodes a Zn-binding homeodomain of a DNA binding protein in plant cells. This particular marker was found in the leaves of healthy trees, but absent in Macrophylla decline trees, which are known to be Zn deficient. Thi

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8

Jacobs, Johannes N. (Johannes Nicolaas). "Rootstock and dormancy studies in apple and pear." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52441.

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Thesis (MScAgric)--University of Stellenbosch, 2001.<br>ENGLISH 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 th

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9

CARAMANICO, LEILA. "STUDY OF GRAPEVINE ROOTSTOCK RESPONSE TO WATER STRESS." Doctoral thesis, Università degli Studi di Milano, 2020. http://hdl.handle.net/2434/707586.

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More than 80% of vineyards around the world use grafted plants: a scion of Vitis vinifera grafted onto a rootstock of single or interspecific hybrids of American Vitis species, resistant or partially resistant to Phylloxera (Daktulosphaira vitifoliae (Fitch, 1856)). The genetic variability of grapevine rootstocks plays a fundamental role in their adaptation to the environment (Serra et al., 2013). In the climate change scenario, predicting an increase of aridity in the near future (Dai, 2013), the more frequent and severe drought events may represent the major constrain for the future of vitic

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10

Madeira, 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.

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Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia<br>With 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

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11

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.

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A lemon rootstock trial and a lemon scion trial were established in 1993. After two years growth, C. volkameriana and C. macrophylla rootstocks have begun to show significant growth and yield increases, compared with 'Swingle' citrumelo and 'Carrizo' citrange. These two rootstocks also have led to larger fruit size, especially early in the season. Trees on Rough lemon rootstock had equivalent growth, but less yield. 'Limoneira 8A Lisbon' scion cultivar had the greatest yield and largest early season fruit size, compared to 'Frost Nucellar', 'Corona Foothills' and `Prior Lisbon' lemons.

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12

Hirst, 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.

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13

Peccoux, Anthony. "Molecular and physiological characterization of grapevine rootstock adaptation to drought." Thesis, Bordeaux 2, 2011. http://www.theses.fr/2011BOR21864/document.

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Dans le contexte du changement climatique, les prédictions réalisées mettent en évidence une altération de la disponibilité en eau dans de nombreuses régions viticoles ; ce qui, conjointement à l’augmentation de la population mondiale et la diminution des terres agricoles, va accroître la compétition pour l’utilisation des ressources hydriques. Par conséquent, améliorer l'adaptation à la sécheresse de la vigne est un des enjeux majeurs des prochaines années. Pour cela, une adaptation des pratiques culturales peut être proposée, en particulier le choix pertinent du matériel végétal et notamment

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14

Berdeja, Aramayo Mariam. "Effects of water stress and rootstock genotype on grape berry composition." Thesis, Bordeaux 2, 2013. http://www.theses.fr/2013BOR22103/document.

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Au cours des prochaines années, il est prédit que le changement climatique va influencer la production des cultures et impacter négativement le secteur agricole. Parmi les cultures mondiales majeures, la vigne est cultivée pour ses baies, qui sont la base de produits à forte valeur ajoutée (vin, liqueurs, et métabolites secondaires utilisés dans les industries pharmaceutiques et cosmétologiques) et dont le métabolisme est fortement sensible au climat. Cependant, la réponse au niveau de la composition de la baie ainsi que les mécanismes moléculaires sous-jacents mettant en évidence la capacité

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15

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.

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16

Wright, 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.

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Four 'Lisbon' lemon selections from the University of Arizona Citrus Budwood Certification plot were selected for evaluation on Citrus rootstock 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected because of their popularity among Arizona growers or because of the lack of information about their performance under Arizona climactic and edaphic conditions. Trees were planted in 1993. Early results indicate that the 'Limoneira 8A Lisbon' selection is outperforming the other selections in both growth and yield. In a similar trial, five rootstocks were selected for evalua

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17

Wright, 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.

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Five rootstocks, 'Carrizo' citrange, Citrus macrophylla, Rough lemon, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. Early results indicate that trees on C. volkameriana and C. macrophylla are superior to those on other rootstocks in both growth and yield. 'Swingle' and Carrizo' are performing poorly. In a similar trial, Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' from the University of Arizona Citrus Budwood Certification plot were selected for evaluation on Citrus volkameria

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18

Wright, 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.

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Five rootstocks, 'Carrizo' citrange, Citrus macrophylla, Rough lemon, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1998-99 results indicate that trees on C. macrophylla and C. volkameriana are superior to those on other rootstocks in both growth and yield. C. macrophylla is beginning to outperform C. volkameriana. 'Swingle’ and Carrizo' are performing poorly. In a similar trial, Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation on Citrus volkameriana r

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19

Wright, 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.

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Five rootstocks, 'Carrizo' citrange, Citrus macrophylla, Rough lemon, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1999-2000 results indicate that trees on C. macrophylla and C. volkameriana are superior to those on other rootstocks in both growth and yield. C. macrophylla is outperforming C. volkameriana. Rough lemon is intermediate, and 'Swingle' and Carrizo’ are performing poorly. In a similar trial, Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation

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20

Wright, 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.

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Five rootstocks, 'Carrizo' citrange, Citrus macrophylla, Rough lemon, Swingle citrumelo and Citrus volkameriana were selected for evaluation using 'Limoneira 8A Lisbon' as the scion. 1994-2000 results indicate that trees on C. macrophylla and C. volkameriana are superior to those on other rootstocks in both growth and yield. C. macrophylla is outperforming C. volkameriana. Rough lemon is intermediate, and 'Swingle' and Carrizo’ are performing poorly. For 2000-01, rough lemon trees performed similarly to C. macrophylla and C. volkameriana. In a similar trial, Four 'Lisbon' lemon selections, 'Fr

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21

Holefors, 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.

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22

Facey, 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.

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Grapevine leafroll disease (GLD) is recognised as a global, economically significant viral disease of grapevines. The complex of viruses associated with GLD are termed the Grapevine leafroll associated viruses (GLRaVs) and are sequentially numbered in order of discovery. The main etiological agent of GLD is GLRaV-3. In South Africa, a grapevine certification scheme exists to ensure grape growers have access to leafroll-free planting material. Unlike red Vitis vinifera cultivars, rootstocks infected with GLD are asymptomatic and cannot be identified through visual diagnosis. To complicate matte

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23

Scott, Lance V. "Precision Drought Stress in Orchards: Rootstock Evaluation, Trunk Hydration and Canopy Temperature." DigitalCommons@USU, 2017. https://digitalcommons.usu.edu/etd/5407.

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In many areas, over half of all diverted water is used for irrigation. Tree fruit crops use a lot of water, but water productivity can be increased using properly-timed precision water stress. In addition to water conservation, increases in water productivity arise from better fruit quality, increased storage life and reductions in pruning and maintenance. One major hurdle to applying precision water stress in orchards is the lack of a reliable, automated method of determining tree water status. However, the influence of physiological characteristics such as rootstock vigor on water productivi

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24

Campen, 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.

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25

Exadaktylou, 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.

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Gisela 5 consists one of the most promising new cherry rootstocks in Greece. However, there is a gap in the knowledge related to the propagation of this rootstock by using cuttings. The first aim of this study was to investigate different methods to propagate the cherry rootstocks Gisela 5. The results showed that, this rootstock can be propagated by using hardwood cuttings with a moderate percentage of rooting (about 60%). More investigation is required in testing the frequency of irrigations on the rooting of cuttings in different rooting media. In addition, ·more work should be done to exam

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26

Fallahi, 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.

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The influence of 12 different rootstocks on yield and quality of "Redblush" grapefruit was studied for several years. Rootstocks consisted of: macrophylla, volkameriana, rough lemon, Palestine sweet lime, sour orange, Carrizo citrange, taiwanica, Savage citrange, Citrumelo, Ichang pummelo, Troyer citrange and Cleopatra mandarin. Trees on volkameriana, Palestine sweet lime, rough lemon, and sour orange had higher yield than other rootstocks, while trees on Savage citrange had lowest yield. However, soluble solids and acid /sugar ratio were relatively low in the fruits on volkameriana but high i

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27

Cherif, 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.

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28

Thomson, 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.

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The influence of rootstock and canopy density on grape berry composition was investigated over the summer of 2003-2004 on a commercial vineyard at Waipara, North Canterbury. This experiment was designed to investigate the influence of rootstock and canopy density on the acid composition, potassium (K) content and final pH of harvested fruit (Pinot Noir AM 10/5 Lincoln Selection). The trial block consisted of eight rootstocks laid out to an 8 x 8 latin square, each plot consisting of five vines of the same rootstock. Two canopy treatments were overlaid the block (down whole rows, assigned rando

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29

Birks, 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.

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Mestrado Vinifera EuroMaster - Instituto Superior de Agronomia<br>Despite 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 plan

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30

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.

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Wine vineyards in humid environments like the mid-Atlantic United States are characterized by vines that develop too much vegetative growth for optimum quality wine production. Cover crops, rootstocks and rootzone restriction were evaluated for their effect on vegetative and reproductive growth on Cabernet Sauvignon. Treatments were arranged in a strip-split-split plot arrangement with under-trellis cover crops (UTCC) compared to row-middle only cover crop combined with 1-m weed-free strips in the vine row as main plots. Rootstocks riparia Gloire, 420-A, and 101-14 were sub-plots, while sub-su

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31

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.

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32

Hill, 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.

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Vineyards in the Mid-Atlantic often have large, vigorous vines that can be costly to manage and produce inadequate fruit for wine production. Dense canopies increase the incidence of fungal disease, require greater allocation of resources to manage, and inhibit fruit development. The primary objective of these studies was to determine effective vine-size modification treatments that would optimize fruit quality, while reducing labor and chemical control. Research factors included root manipulation, under-trellis ground cover, and rootstock. Treatment levels were root bag (RBG) or no root m

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33

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.

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Methyl bromide fumigation, a common method used to combat soil borne pathogens in commercial tomato cultivation, was to be limited by the Montreal Protocol due to concerns of ozone depletion. Alternative methods to protect tomatoes against diseases include grafting. However, short grafted transplants may expose the scion to the soil. To avoid scion exposure, hypocotyl elongation of two tomato rootstocks 'Maxifort' and 'Aloha' via end-of-day far-red (EOD-FR) was examined in terms of light quality (red to far-red ratio, or R/FR) and dose (product of far-red intensity and duration). In EOD-FR lig

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Pimentel, 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.

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Orientador: Marco Antonio Tecchio<br>Banca: Sarita Leonel<br>Banca: Mara Fernandes Moura<br>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 e

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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.

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Three orange cultivar trials have been established in Arizona, one at the Yuma Mesa Agricultural Center, Yuma, AZ and one at the Citrus Agriculture Center, Waddell, AZ. For the navel orange trial in Yuma, ‘Fisher’ navel continues to have the greatest yield, but is unacceptably granulated For the Waddell trial, the second year data has been collected, and suggests that ‘Fisher’ and ‘Beck- Earli’ are outperforming the other cultivars tested to date.

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Wright, 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.

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Three lemon cultivar selection trials are being conducted at the Yuma Mesa Agriculture Center in Somerton, AZ. Data from these trials suggest that ‘Limonero Fino 49’ selections may be a suitable alternative for the varieties most commonly planted in Southwest Arizona today. ‘Cavers Lisbon’ and ‘Villafranca’ might also be planted on an experimental basis

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Wright, 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.

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Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation on Citrus volkameriana rootstock. 1994-2002 results indicate that the 'Limoneira 8A Lisbon' and ‘Corona Foothills Lisbon’ are superior in yield and fruit size. Results for 2002-03 indicate that these cultivars as well as ‘Frost Nucellar’ have superior yield.

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38

Adams, 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.

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The apple rootstock ‘Geneva® 41’ (‘G.41’), is desirable for its resistance to fire blight, Erwinia amylovora, while producing high yields. However, ‘G.41’ and other Geneva® selections tend to form weak graft unions in the nursery that are susceptible to breaking in the wind, at harvest, or during shipment. In order to understand and remedy this graft union weakness, six scions (‘Fuji’, ‘Gala’, ‘Honeycrisp’, ‘McIntosh’, ‘Pink Lady’, and ‘Scilate’) by seven rootstocks (‘G.41’, ‘G.935’, ‘G.214’, ‘G.11’, ‘M.9-NIC 29’, ‘B.9’ and ‘EMLA 26’), by two grafting methods (chip bud and saddle graft) in a f

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39

Thompson, 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.

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In apple (Malus domestica Borkh.) orchards, rootstock genotype, and soil fertility management practices impact soil fertility, plant associated soil microbial communities, and orchard productivity. Apple growers select rootstocks to confer beneficial traits, including size control, precocity, and pest and disease resistance. Rootstock genotype may also influence microbial communities, resulting in changes that affect tree health and productivity. Many apple growers apply synthetic nitrogen fertilizers to improve fruit yield and quality. In excess of tree requirements, nitrogen fertilizers may

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40

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.

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[ES] La citricultura se enfrenta a escenarios ambientales cambiantes que provocan diferentes estreses bióticos y abióticos que pueden dificultar la producción o afectar a la calidad de la fruta. El patrón sobre el cual se injerta una variedad específica es una importante herramienta para mejorar su adaptabilidad a cada área de cultivo. En la presente Tesis se realiza el estudio del efecto del patrón sobre la calidad físico-química y nutricional de la fruta en variedades de gran interés comercial en la actualidad, mandarinas 'Clemenules' y 'Tango' y naranjas sanguinas 'Tarocco Rosso' y 'Moro'

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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.

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Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation on Citrus volkameriana rootstock. 2004-05 results indicate that the 'Limoneira 8A Lisbon' and ‘Corona Foothills Lisbon’

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Wright, 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.

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Two orange cultivar trials have been established in Arizona, one at the Yuma Mesa Agricultural Center, Yuma, AZ and one at the Citrus Agriculture Center, Waddell, AZ. For the navel orange trial in Yuma, all the selections had improved yields in 2004-05. ‘Fisher’ navel continues to have the greatest yield, but is quite granulated. Of the rest in the Yuma trial, ‘Lane Late’ had the best quality and yield. For the Waddell trial, the fourth year data has been collected, and suggests that ‘Fisher’, ‘Beck-Earli’, ‘Chislett’ and ‘Lane Late’ are outperforming the other cultivars tested to date.

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43

Wright, 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.

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Three lemon cultivar selection trials are being conducted at the Yuma Mesa Agriculture Center in Somerton, AZ. Data from these trials suggest that ‘Limonero Fino 49’ selections may be a suitable alternative for the varieties most commonly planted in Southwest Arizona today. ‘Femminello’ and ‘Villafranca’ might also be planted on an experimental basis.

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44

Wright, Glenn C. "Mandarin Selection Trials in Arizona – 2005-06." College of Agriculture, University of Arizona (Tucson, AZ), 2005. http://hdl.handle.net/10150/198103.

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Second year yield and packout data from a trial containing ‘Fina’, ‘Fina Sodea’, ‘Sidi Aissa’, ‘Oroval’, ‘W. Murcott Afourer’, ‘Fremont’, and ‘Gold Nugget; selections were collected in 2004-05. For the year, ‘Fina Sodea’ had the greatest yield, and average fruit size, while ‘Fremont’ had the smallest yield, and the smallest fruit size.

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45

Wright, 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.

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Abstract:

Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation on Citrus volkameriana rootstock. 2005-06 results indicate that the 'Limoneira 8A Lisbon' and ‘Corona Foothills Lisbon’ are superior to the other two selections tested.

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46

Wright, 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.

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Abstract:

Two orange cultivar trials have been established in Arizona, one at the Yuma Mesa Agricultural Center, Yuma, AZ and one at the Citrus Agriculture Center, Waddell, AZ. For the navel orange trial in Yuma, all the selections had improved yields in 2005-06. ‘Fisher’ navel continues to have the greatest yield, but is quite granulated. Of the rest in the Yuma trial, ‘Lane Late’ had the best quality and yield. For the Waddell trial, the fourth year data has been collected, and suggests that ‘Fisher’, ‘Beck-Earli’, ‘Chislett’ and ‘Lane Late’ are outperforming the other cultivars tested to date.

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47

Wright, 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.

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Four 'Lisbon' lemon selections, 'Frost Nucellar', 'Corona Foothills', 'Limoneira 8A' and 'Prior' were selected for evaluation on Citrus volkameriana rootstock. Yield was extremely low for 2006-07, but these results do not change the fact that that 'Limoneira 8A Lisbon' and 'Corona Foothills Lisbon' are superior to the other two selections tested.

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Wright, 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.

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Three lemon cultivar selection trials are being conducted at the Yuma Mesa Agriculture Center in Somerton, AZ. Data from these trials suggest that 'Limonero Fino 49' and 'Cascade Eureka' selections may be a suitable alternative for the varieties most commonly planted in Southwest Arizona today. 'Femminello' and 'Villafranca' might also be planted on an experimental basis

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49

Wright, Glenn C. "Mandarin Selection Trials in Arizona - 2004-05." College of Agriculture, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/223678.

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First year yield and packout data from a trial containing 'Fina', 'Fina Sodea', 'Sidi Aissa', 'Oroval', 'W. Murcott Afourer', 'Fremont', and 'Gold Nugget; selections were collected in 2004-05. For the year, 'Fremont' had the greatest yield, but the smallest fruit size, while 'Fina' had the smallest yield, and 'W. Murcott Afourer' had the largest fruit size.

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Wright, Glenn C. "Pollination of W. Murcott Afourer Mandarins." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223681.

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