A disease called Potato Late Blight, caused by an oomycete named Phytophthora infestans. An oomycete is not a fungus as such, but is a eukaryotic microorganism with both saprophytic and pathogenic lifestyles. Even today, it cannot be controlled with fungicides, but incidence has been greatly reduced through crop rotation, improved varieties, and other cultural controls.
The Irish potatoe famine was caused by a fungus\virus that affected all the potatoes and millions of people died
1840s-1850s
Most of the immigration was caused by the potato famine, but some were caused when their king had switched to a England church because of his marriage. That caused England to be in control of Ireland which left them weak. Another when the black plague had spread to them from England and the Irish were mad at them cause now, England had made most of their troubles.
The Irish immigrated because of the Irish Potato Famine in 1845
The potato blight caused the famine, the species being Phytophthora infestans.
a fungus called phytophthora infestans caused the Irish potato famine.
There was a potato famine and thousands of people were starving to death
1840s-1850s
Most of the immigration was caused by the potato famine, but some were caused when their king had switched to a England church because of his marriage. That caused England to be in control of Ireland which left them weak. Another when the black plague had spread to them from England and the Irish were mad at them cause now, England had made most of their troubles.
Potato Famine
The Irish Potato Famine
The Irish immigrated because of the Irish Potato Famine in 1845
The Irish Potato Famine was caused by Phytophthora infestans: fungus-like eukaryotic organisms.
The potato blight caused the famine, the species being Phytophthora infestans.
Assuming you mean America, the 1840s due to the potato famine.
a fungus called phytophthora infestans caused the Irish potato famine.
The downy mildew caused the Irish Potato Famine during the 1840s.
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