USA HISTORY

Detailed explanation-1: -Ireland’s 1845 Potato Blight is often credited with launching the second wave of Irish immigration to America. The fungus which decimated potato crops created a devastating famine.

Detailed explanation-2: -Abstract. Phytophthora infestans is a destructive plant pathogen best known for causing the disease that triggered the Irish potato famine and remains the most costly potato pathogen to manage worldwide.

Detailed explanation-3: -Sir Walter Raleigh introduced potatoes to Ireland in 1589, but it took nearly four decades for the potato to spread to the rest of Europe.

Detailed explanation-4: -The cause was actually an airborne fungus (phytophthora infestans) originally transported in the holds of ships traveling from North America to England. Winds from southern England carried the fungus to the countryside around Dublin.

Detailed explanation-5: -The Great Famine was caused by a failure of the potato crop, which many people relied on for most of their nutrition. A disease called late blight destroyed the leaves and edible roots of the potato plants in successive years from 1845 to 1849.