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Dissertations / Theses on the topic 'Citrus fruits – Rootstocks'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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1

Matheron, Mike, and Joe Matejka. "Seasonal Variation in Susceptibility of Citrus Rootstocks to Phytophthora." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/215689.

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Phytophthora parasitica and P. citrophthora are routinely recovered from diseased citrus groves in Arizona. Stem sections were collected monthly from Citrus macrophylla, rough lemon, .sour orange, Cleopatra mandarin, Troyer citrange and Citrus volkameriana. Stem pieces were wounded, inoculated with mycelium of P. parasitica or P. citrophthora, then incubated for 7 days at 21° C in moist chambers. For all tested rootstocks, the smallest cankers were produced on tissue collected in December, January and February, the winter dormancy period for citrus in Arizona. The period of higher susceptibili

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2

Fallahi, E., R. Rodney, and H. McDonald. "Potential Rootstocks for "Redblush" Grapefruit in the Desert." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/215704.

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Effects of 12 rootstocks on yield, yield efficiency, bearing potential and quality of 'Redblush' grapefruit were measured and potential rootstocks recommended for the arid climate of southwest Arizona. Trees on 'Palestine' sweet lime and 'Volkamer' lemon produced high cumulative yield but small fruit. Trees on Macrophylla (Alemow) produced higher yields after 5 years of planting and had significantly higher mean yield efficiency than trees on other rootstocks. Thus, Macrophylla rootstock could be a good choice for 'Redblush' at the standard spacing and perhaps at high density spacing in southw

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3

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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4

Matheron, Michael, and Martin Porchas. "Analysis of Rootstocks and New Fungicides for Control of Phytophthora Root Rot and Gummosis in Arizona Citrus Groves." College of Agriculture, University of Arizona (Tucson, AZ), 1996. http://hdl.handle.net/10150/220515.

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Experiments were initiated to evaluate potential new citrus rootstocks for their relative tolerance or resistance to root rot and gummosis caused by Phytophthora citrophthora and P. parasitica and to determine the efficacy of potential new fungicides for disease control. In greenhouse trials conducted in 1994 and 1995, the range of root loss due to Phytophthora in the 44 different rootstocks tested ranged from 26-96 %. Rootstocks sustaining 80% or less root loss will be evaluated further to identify those with superior tolerance to Phytophthora. In growth chamber experiments, the same rootstoc

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5

Kilby, Michael W. "Phymatotrichum (Cotton Root Rot) Resistant Grape Rootstocks." College of Agriculture, University of Arizona (Tucson, AZ), 1990. http://hdl.handle.net/10150/215735.

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6

Fallahi, E., and D. R. Rodney. "Performance of Various Lemon Types in Southwest Arizona." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/215705.

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Long term comparisons of 8 types of lemons (Citrus limon Bunn. F.) on Macrophylla (Alemow) (C. macrophylla) rootstock regarding yield, tree growth, and quality under the arid conditions of the Southwest were studied. 'Foothill Lisbon' showed significantly higher cumulative yield and total acid than 'Monroe Lisbon', 'Prior Lisbon', Eureka strains, and Villa Franca, and had larger fruit than other Lisbon strains. 'Prior Lisbon' produced larger tree canopy than all other strains. Overall, Eureka strains and 'Villa Franca' had lower relative cumulative yield, yield efficiency, canopy volume, solub

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7

McDonald, H. H., and E. Fallahi. "Selections of Blood Oranges for Arizona Growers." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/215706.

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Interest in growing blood oranges in Arizona has been increasing in recent years, especially for producing fruit for sale in roadside stands. The Arizona Cooperative Citrus Registration Certification Program now has four selections from which to choose: 'Moro', 'Tarocco', 'Sanguinelli', and 'Ruby'. Each one has distinct advantages and disadvantages that should be considered before making a selection.

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8

Matabane, Raisebe Vivian. "Aggressiveness and identification of tylenchulus semipenetrans biotype in South Africa." Thesis, University of Limpopo (Turfloop campus), 2013. http://hdl.handle.net/10386/1095.

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Thesis (M.Sc. (Plant protection)) --University of Limpopo, 2013.<br>Studies were initiated to investigate (1) the aggressiveness of the citrus nematode (Tylenchulus semipenetrans Cobb) isolates from two provinces in South Africa (2 experiements ) and (2) the biotype of T. semipenetrans in South Africa. In the aggressive study, isolates from Limpopo and Mpumalanga Provinces were used on Carrizo citrange (Citrus sinensis × Poncirus trifoliata) and rough lemon (Citrus jambhiri) seedling rootstocks under greenhouse conditions (18 experiements). Each seedling was inoculated with 0, 10 000, 20 000,

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9

Junior, Mauro Ferreira Bonfim. "Avaliação da capacidade reprodutiva de populações de Pratylenchus spp. frente a diferentes espécies vegetais." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-25022010-081502/.

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Os nematoides que atualmente tem sido classificados como P. coffeae, demonstram ampla variabilidade morfológica, molecular e quanto à reação à diferentes hospedeiros. Por conseguinte, é essencial que se identifique corretamente as espécies e que se conheça a capacidade de parasitismo em alguns hospedeiros, para que se possa estabelecer medidas de controle e estimar eventuais riscos da entrada de um patógeno em uma área com hospedeiro suscetível. Neste sentido, a presente pesquisa propõe, numa primeira parte, uma medida de controle de P. jaehni (K5), que é muito agressivo à cafeeiro arábico, ba

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10

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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11

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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12

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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13

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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14

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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15

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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16

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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17

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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18

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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19

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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20

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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21

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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22

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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23

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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24

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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25

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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26

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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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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27

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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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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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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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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Wright, Glenn C. "Cultivar Selection Trials of Navel Orange in Arizona for 2006-07." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223682.

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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 reduced yields in 2006-07. 'Fisher' navel continues to have the greatest yield. 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' and 'Lane Late' are outperforming the other cultivars tested to date.

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Wright, Glenn C. "Mandarin Selection Trials in Arizona - 2006-07." College of Agriculture, University of Arizona (Tucson, AZ), 2007. http://hdl.handle.net/10150/223683.

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Third 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 2006-07. For the year, 'Fina Sodea' had the greatest yield, and average fruit size, while 'Gold Nugget' had the smallest yield, and ‘Fremont’ had the smallest fruit size.

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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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35

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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Escanferla, Maria Eugenia. "Histologia e bioquímica da interação entre porta-enxertos de citros resistente e suscetíveis a Phytophthora nicotianae." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/11/11135/tde-13022012-091606/.

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No Brasil Phytophthora nicotianae é um dos principais agentes causadores da podridão do pé e de raízes e radicelas em citros. As doenças provocadas pelo gênero ocasionam danos elevados à produção agrícola e o uso de porta-enxertos resistentes é medida importante para controle. Nesse trabalho objetivou-se estudar aspectos relacionados à histologia e bioquímica da interação entre P. nicotianae e porta-enxerto de tangerineira Sunki (suscetível) e citrumeleiro Swingle (resistente). Para tal, raízes de plântulas desses genótipos com dois, três ou seis meses foram inoculadas com suspensão de 105 zoó

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Pio, Rafael. "Propagação de híbridos somáticos de citros e reação à infecção por Phytophthora nicotianae e vírus da tristeza dos citros." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-05072005-145602/.

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A hibridação somática é uma nova opção em programas de melhoramento de espécies cítricas, obtendo-se híbridos somáticos que podem manter integralmente a combinação genética de ambos os progenitores envolvidos na hibridação. Assim, o objetivo desse trabalho foi estudar a propagação e crescimento de combinações parentais de híbridos somáticos com potencial para serem utilizados como porta-enxertos e verificar possíveis resistências/tolerâncias à infecção de tronco e raízes por Phytophthora nicotianae e ao vírus da tristeza dos citros (CTV). Os híbridos somáticos utilizados nos trabalhos foram:

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39

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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Girardi, Eduardo Augusto. "Fisiologia da produção de mudas cítricas sob deficiência hídrica." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11136/tde-18112008-104441/.

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Conhecimentos sobre fisiologia da produção de mudas cítricas sob condições de deficiência hídrica são necessários para fomentar as práticas de irrigação em viveiros telados. O objetivo deste trabalho foi avaliar o efeito de deficiência hídrica induzido por polietileno glicol (PEG) e por interrupção da irrigação sobre o desenvolvimento e variáveis fisiológicas de mudas de laranja Valência (Citrus sinensis L. Osbeck) enxertada sobre limão Cravo (Citrus limonia Osbeck) e citrumelo Swingle (Poncirus trifoliata (L.) Raf x Citrus paradisi Macf). As mudas foram produzidas em sacolas plásticas de 4,5L

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Wright, Glenn C. "Lemon Rootstock Trials in Arizona – 2004-05." 2004. http://hdl.handle.net/10150/198095.

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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. 1994-2004 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

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