Details of this species in Tennessee Status: Alien
Invasiveness: Invasive
Occurrence: Reported
Source: USDA, 2002 Arrival Date:
Introduction: Species Notes for this Location:
Management Notes for this Location:
Impacts:
Agricultural: Bryson et al. (2002) indicates that S. viarum is a threat to the vegetable crop industry as a competitive weed and because it is an alternate host for numerous pathogens that cause disease in eggplant, peppers, potatoes, tomatoes, etc.
Competition: Mullahey (2003) notes that it is occasionally found growing as a monoculture covering up to 50 acres or more.
Disease transmission: Bryson et al. (2002) indicates that S. viarum is a threat to the vegetable crop industry because it is an alternate host for numerous pathogens. These vegetable crop pathogens include the cucumber mosaic virus, gemini virus, potato leafroll virus, potato virus Y, tobacco etch virus, tomato mosaic virus, tomato mottle virus, and the fungal pathogen, Alternaria solani.
Economic/Livelihoods: S. viarum has the potential to become a major problem throughout the southern U.S. and could cost farmers and the public billions of dollars annually. Last Modified: 22/12/2003 11:09:50 a.m.
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