Late blight strain from Three Rivers outbreak identified

Isolates of Phytophthora infestans (the late blight pathogen) collected from infected plants in fields near Three Rivers, MI at the beginning of July (2006) have all been identified as the US 8 strain of the late blight pathogen. US 8 is the most common isolated detected in the United States. For more information on the different strains of P. infestans see the poster by Young et al., 2005 (.pdf file).