Were the initial outplantings of P. ramorum-infested plants ever traced back to a source nursery?

Phytophthora ramorum was not discovered as the causal agent of sudden oak death until 2000-2001.  Prior to then, it was not understood to be a nursery issue; therefore, there was no concern about spread from nurseries into the wildlands.  Since then, DNA analysis has confirmed that the pathogen was unknowingly introduced to both California and […]

PCR Testing for Sudden Oak Death

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