Incidence, Spatial Patterns, and Associations Among Viruses in Snap Bean and Alfalfa in New York

Recent epidemics in snap bean (Phaseolus vulgaris) characterized by virus-like symptoms prompted a survey of commercial fields for Alfalfa mosaic virus (AMV), Cucumber mosaic virus (CMV), and the Bean yellow mosaic virus (BYMV)/Clover yellow vein virus (ClYVV) complex in 2002 and 2003. Snap bean fie...

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Veröffentlicht in:Plant disease. - 1997. - 90(2006), 2 vom: 19. Feb., Seite 203-210
1. Verfasser: Shah, Denis A (VerfasserIn)
Weitere Verfasser: Dillard, Helene R, Mazumdar-Leighton, Sudeshna, Gonsalves, Dennis, Nault, Brian A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article quadrat sampling virus epidemiology
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520 |a Recent epidemics in snap bean (Phaseolus vulgaris) characterized by virus-like symptoms prompted a survey of commercial fields for Alfalfa mosaic virus (AMV), Cucumber mosaic virus (CMV), and the Bean yellow mosaic virus (BYMV)/Clover yellow vein virus (ClYVV) complex in 2002 and 2003. Snap bean fields were either remote from or adjacent to alfalfa (Medicago sativa), a putative source of these viruses. Bean fields were sampled at the bloom stage in both years. Model-adjusted mean incidences of infection by AMV, BYMV/ClYVV, and CMV were 41.96, 6.56, and 6.69%, respectively, in alfalfa, and 6.66, 6.38, and 17.20% in snap bean. In 2002, 25.9% of snap bean plants were infected by more than one virus; <1% had more than one virus in 2003. Virus incidences did not differ between snap bean adjacent to or remote from alfalfa, but incidence of infection by AMV and BYMV/ClYVV was significantly higher in snap bean planted later in the season rather than earlier. In 2002, there was a positive association between AMV and CMV in the tendency to find both viruses in the same snap bean plant. In some years, infection by aphid-transmitted viruses can become widespread in snap bean in New York 
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700 1 |a Dillard, Helene R  |e verfasserin  |4 aut 
700 1 |a Mazumdar-Leighton, Sudeshna  |e verfasserin  |4 aut 
700 1 |a Gonsalves, Dennis  |e verfasserin  |4 aut 
700 1 |a Nault, Brian A  |e verfasserin  |4 aut 
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