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Nihat Guner, Zvezdana Pesic-VanEsbroeck, Luis A. Rivera-Burgos, and Todd C. Wehner

2017, with a current farm value of $579 million ( USDA, 2017 ). Worldwide, more than 10 viruses are known to be limiting factors for commercial watermelon production ( Romay et al., 2014 ; Wang et al., 2017 ). The major viruses affecting watermelon in

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Nihat Guner, Zvezdana Pesic-VanEsbroeck, Luis A. Rivera-Burgos, and Todd C. Wehner

States are Florida, California, Texas, Georgia, and North Carolina ( USDA, 2017 ). Production increased from 1.2 million Mg in 1987 to 5.1 million Mg in 2017, with a farm value of $579 million ( USDA, 2017 ). Plant diseases caused by viruses are a major

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Timothy Coolong

overhead irrigation exclusively while those on plastic use drip irrigation. Disease and insect pressure are lowest in spring plantings, which are started in early to mid-March in southwest Georgia. Growers typically use cultivars with little to no virus

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Alexis K. Nagel, Hetal Kalariya, and Guido Schnabel

shown in herbaceous systems that manifestation of disease symptoms in grafted tissues is preceded by the delivery of virus RNA ( Más and Pállas, 1996 ). It is possible that the GAFP-1 lectin may not be compatible with the phloem transportation

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Prabin Tamang, Kaori Ando, William M. Wintermantel, and James D. McCreight

Arizona in 2006 ( Kuo et al., 2007 ). It occurred in Florida in 2007 and Georgia in 2017 but has not been as severe as in California ( Gadhave et al., 2018 ; Polston et al., 2008 ). Cucurbit chlorotic yellows virus (CCYV; genus Crinivirus , family

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Asma Mohammed Saeed Al-Kubati, Baoshan Kang, Liming Liu, Aqleem Abbas, and Qinsheng Gu

mottle mosaic virus (CGMMV) in M 2 plants in the field. T = tested sample comprising a mixture of RNAs from 14 M 2 plants with virus-like symptoms in the field; N = negative sample of a healthy plant; M = marker. The middle line with Cp-1, Cp-2, etc

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James D. McCreight, Hsing-Yeh Liu, and Thomas A. Turini

Sweetpotato whitefly, Bemisia tabaci (Gennadius), adversely affects yield and quality of a wide range of vegetable and agronomic crops worldwide directly through feeding damage or indirectly as virus vectors ( Henneberry et al., 1998 ). It is

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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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Jose Martínez-Calvo, Gerardo Llácer, and Maria Luisa Badenes

‘Moixent’ is a self-compatible, early-ripening apricot cultivar ( Prunus armeniaca L.) with excellent fruit quality and resistance to sharka (plum pox virus), a serious disease limiting apricot fruit production in affected areas. ‘Moixent’ fruits

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Ralph Scorza, Michel Ravelonandro, Ann Callahan, Ioan Zagrai, Jaroslav Polak, Tadeuz Malinowski, Mariano Cambra, Laurene Levy, Vern Damsteegt, Boris Krška, John Cordts, Dennis Gonsalves, and Chris Dardick

genetically engineered fruit-tree cultivar Food Nutr. Sci. 4 45 49 Ravelonandro, M. Scorza, R. Hily, J.M. Briard, P. 2014 The efficiency of RNA interference for conferring stable resistance to Plum pox virus Plant Cell Tiss. Organ Cult. 118 347 356 Scorza, R