If steps are not taken to eradicate glassy-winged sharpshooter in the recently infested areas in California where it is now known to be present, there is every possibility the disease will eventually spread to other areas of the State, and to other areas of the United States, where susceptible grapes are produced. The estimated annual value of California's grape industry is at least $6 billion. Therefore, if glassy-winged sharpshooter is allowed to spread from recently infested areas in California, the overall crop loss and effects on quality as a result of the spread of Pierce's disease could be significant. Production grape vines in California have no tolerance for Pierce's disease. Infestations of Pierce's disease, combined with the recent introduction of glassy-winged sharpshooter, in limited areas of California are presenting a serious threat to grape vineyards in that State. Therefore, no regulatory measures have been taken, or will be taken, to control the spread of Pierce's disease in the southeastern United States. However, native grapevines in these areas of the southeastern United States appear to be tolerant of Pierce's disease, which limits the effect the disease has on grape production there. Glassy-winged sharpshooter is also indigenous to many of these areas.
Pierce's disease is endemic to States bordering the Gulf of Mexico, as well as mid-Atlantic States in the southeastern United States. Pierce's disease is spread over distances by the highly mobile glassy-winged sharpshooter. There is no treatment for the disease once a grapevine has contracted Pierce's disease, the vine cannot be saved. Infection interferes with the transport of water through grape vines, resulting in severely reduced fruit production and eventually the death of the vine. Pierce's disease, caused by the bacterium Xylella fastidiosa, is an extremely serious plant disease that affects grapes. The glassy-winged sharpshooter ( Homalodisca coagulata), a primary vector of the bacterium that causes Pierce's disease, is becoming established in areas of the State of California. Provide legal notice to the public or judicial notice to the courts. Rendition of the daily Federal Register on does not Until the ACFR grants it official status, the XML Legal research should verify their results against an official edition of
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