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Yuanfu Ji, Jay W. Scott, David J. Schuster, and Douglas P. Maxwell

Tomato-infecting begomoviruses, including monopartite tomato yellow leaf curl virus (TYLCV) and numerous bipartite viruses including tomato mottle virus (ToMoV), are transmitted by the sweetpotato whitefly ( Bemisia tabaci ), the B biotype of

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Yaar Research Center, Ramat Yishay, Israel The B-biotype sweetpotato whitefly (SPWF) [ Bemisia tabaci (Gennadius) (Homoptera: Aleyrodidae)] and the two-spotted spider mite (TSSM) [ Tetranychus urticae Koch (Acari: Tetranychidae)] are serious

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it should be possible to breed cultivars with enhanced ability to perform under low-p conditions, as well as with enhanced response to rock phosphate application. Vegetable Crops Section—Sweetpotato Relationships between Preharvest

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Samuel F. Hutton and John W. Scott

sweetpotato whitefly ( Bemisia tabaci ), the strains that cause Tomato yellow leaf curl virus (TYLCV) are the most widespread and well known. Begomovirus resistance in Fla. 7907C is conferred by the Ty-1 gene, which was advanced using marker

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Toshio Shibuya, Kaori Itagaki, Motoaki Tojo, Ryosuke Endo, and Yoshiaki Kitaya

high R:FR have thicker leaves and consequently higher photosynthetic ability ( Shibuya et al., 2010a ) and lower attractiveness to sweetpotato whitefly ( Shibuya et al., 2010b ). The morphological and physiological changes are probably the result of

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Amnon Levi, Alvin M. Simmons, Laura Massey, John Coffey, W. Patrick Wechter, Robert L. Jarret, Yaakov Tadmor, Padma Nimmakayala, and Umesh K. Reddy

could be a useful source of genes for enhancing biotic and abiotic stress resistance in the watermelon cultivars ( Levi et al., 2016 ). Several U.S. PIs of CC have been identified as having resistance to the sweetpotato whitefly [ Bemisia tabaci

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disease in sweetpotato is the Sweet potato virus disease (SPVD), a result of co-infection of Sweet potato chlorotic stunt virus (SPCSV) and Sweet potato feathery mottle virus (SPFMV). Characteristic symptoms include chlorosis, small, deformed leaves

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John W. Scott, Samuel F. Hutton, and Joshua H. Freeman

Begomoviruses , vectored by the sweetpotato whitefly ( Bemisia tabaci ), are a major threat to tomato ( Solanum lycopersicum ) production in many regions around the world. Of the many strains of Begomoviruses , those that cause Tomato yellow leaf

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Samuel F. Hutton, Yuanfu Ji, and John W. Scott

Begomoviruses vectored by the sweetpotato whitefly ( Bemisia tabaci ) are a major threat to tomato ( Solanum lycopersicum ) production in many regions around the world. Of the many begomoviruses, the strains that cause Tomato yellow leaf curl virus

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Matthew A. Cutulle, Howard F. Harrison Jr., Chandresakar S. Kousik, Phillip A. Wadl, and Amnon Levi

tolerance has been reported in several non-cucurbit crops, including bean ( Sikkema et al., 2006 ), cabbage ( Hopen et al., 1992 ), corn ( Keifer, 1989 ), rice ( Mudge et al., 2005 ; Scherder et al., 2004 ; Zhang et al., 2004 ), and sweetpotato ( Harrison