In 2004/05 seanon the grape rust was identified by the first time attacking vineyard located in the Santa Maria/RS region. In Brazil it had already been identified in Jandaia do Sul/PR (2001), São Paulo and Mato Grosso do Sul (2003). The disease is caused by Phakopsora euvitis. The fungi is easily disseminated by wind and favored by high temperature and umidity. Such conditions are normally observed in Santa Maria region what make possible the fungus to survive on alternative host or migrate from other regions.
grapevine; rust; diagnostic