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r. TYLCV— Hazard Identification. The TYLCV is believed to <br /> have entered the state in Dade County sometime in early 1997 <br /> (Florida Department of Agriculture and Consumer Services, <br /> 1999). Symptoms vary among tomato types, but in general, <br /> leaves produced shortly after infection are reduced in size, <br /> distorted, cupped inward or downward, and have a yellow <br /> mottle. Fewer than 1 in 10 flowers will produce fruit after <br /> TYLCV infection, severely reducing yields. <br /> The virus is transmitted by adult silverleaf whiteflies. Although <br /> frequent applications of pesticides help to decrease whitefly <br /> populations and suppress the spread of TYLCV, virus <br /> management through whitefly control is not possible in years <br /> where whitefly populations are high. Fortunately, the virus is <br /> not transmitted through seed or casual contact with infected <br /> plants. <br /> Vulnerability Assessment. Agricultural pests and diseases <br /> can have the following potential impacts within a community: <br /> • Human health and safety; <br /> • Psychological hardship <br /> • Economic disruption; <br /> • Agricultural/fisheries damage; and <br /> • Damage to critical environmental resources. <br /> Agricultural pests and diseases are a more significant hazard <br /> in those areas of the County where agriculture is a more <br /> significant element in the economic base. The western portion <br /> of Indian River County is a major ranching area, and there are <br /> numerous nurseries and smaller agricultural-related <br /> businesses located throughout the County. <br /> Risk Assessment. Because agricultural pests and diseases <br /> can have a significant impact on agricultural-related <br /> businesses, it is important to look at agricultural-related income <br /> to determine potential loss. Approximately 14 million cartons of <br /> "Indian River" fruit were exported during the 2006-2007 <br /> season. The State of Florida is the nation's largest producer <br /> of fresh tomatoes and the crop value for the 2013-2014 <br /> season exceeds$348 million (floridatomatoes.org, 2014). The <br /> Fellsmere and Wabasso areas are major agribusiness centers. <br /> Indian River County Comprehensive Emergency Management Plan Basic Page 55 <br />