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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Fernando Rubio, Manuel Valero, and Juan J. Ruiz

Spain. The incidence of these viruses in tomato landraces greatly reduces the profits obtained by farmers, and even makes their cultivation nonviable in many areas, especially in open-field conditions. The breeding line is available for open-air cropping

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Salvador Soler-Aleixandre, C. López, J. Cebolla-Cornejo, and F. Nuez

after potato. In the last decades, the viral diseases have become the main limiting factor in tomato crops along the Spanish Mediterranean coast and in many other areas in the world. In this respect, Tomato spotted wilt virus (TSWV) and Tomato yellow

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Pedro Carbonell, Juan Francisco Salinas, José Ángel Cabrera, and Juan J. Ruiz

many tomato landraces, ‘Moruno’ cultivars are highly susceptible to several viruses, such as Tomato mosaic virus (ToMV), Tomato spotted wilt virus (TSWV), and Tomato yellow leaf curl virus (TYLCV) ( Cebolla-Cornejo et al., 2007 ), Pepino mosaic

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George E. Boyhan, Gerard Krewer, Darbie M. Granberry, C. Randell Hill, and William A. Mills

condition were evaluated, which was based on disease incidence primarily incited by downy and powdery mildews. In addition, a visual rating of virus symptoms was also done. Analyses of visual ratings involved transforming the data with square root (x + 0

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Zongrang Liu, Ralph Scorza, Jean-Michel Hily, Simon W. Scott, and Delano James

.), are susceptible to a number of viruses, which can cause serious production losses and decreases in product quality. Prune dwarf virus (PDV), prunus necrotic ringspot virus (PNRSV), and tomato ringspot virus (ToRSV) are widespread in production areas

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Adam Dale, Becky R. Hughes, and Danielle Donnelly

). Despite the successful application of micropropagation techniques to strawberry for three decades, several questions remain: first, are mutation rates increased in micropropagated strawberry plants or do they reflect a similar incidence of mutable genes as

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Santiago García-Martínez, Adrián Grau, Aranzazu Alonso, Pedro Carbonell, Juan F. Salinas, José A. Cabrera, and Juan J. Ruiz

within the cherry tomato type in the EPSO-UMH tomato breeding program. These breeding lines enable farmers to obtain acceptable harvests despite intense virus incidence conditions. Nevertheless, important decreases in yield have been reported for the

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Derek W. Barchenger, Sopana Yule, Nakarin Jeeatid, Shih-wen Lin, Yen-wei Wang, Tsung-han Lin, Yuan-li Chan, and Lawrence Kenyon

pepper, the past 3 decades have seen the number of virus species identified as infecting chile pepper as well as virus disease incidence increase considerably ( Kenyon et al., 2014b ). Likely, the most devastating chile pepper–infecting viruses

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Christopher S. Cramer, Neel Kamal, and Narinder Singh

seed production Plant Dis. 90 1468 1480 Gent, D.H. Schwartz, H.F. Khosla, R. 2004 Distribution and incidence of Iris yellow spot virus in Colorado and its relation to onion plant population and yield Plant Dis. 88 446 452 Gill, H.K. Garg, H. Gill, A

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James D. McCreight and William M. Wintermantel

constant (i.e., the same as in 2007) yield in the spring crop where SPWF-B pressure and infection by CYSDV as well as incidence of aphid-borne viruses have been very low. Fall melon production in Imperial Valley, CA, is radically different from that in 2005