The Irish people's reliance on the potato, however, also created a vulnerability. Poor harvests could have devastating consequences. Such was the case in 1740, when cold and wet weather led to a ...

Scientists have discovered new evidence that the pathogen that caused the Irish potato famine may have originated thousands of miles away. A study that examined the DNA of Phytophthora (P.) ...

Get Instant Summarized Text (Gist) The Irish potato famine pathogen, Phytophthora infestans, is traced back to the Andes Mountains in South America, not Mexico. Genetic analysis reveals that P ...