The famous Irish famine is related to a disease of potato known as:-

Options

A. Late blight
B. Early blight
C. Dry rot of potato
D. Red pot

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the disease of potato that is associated with the famous Irish famine.

2. **Identifying the Context**: The Irish famine, also known as the Great Famine, occurred between 1845 and 1849 and was primarily due to the failure of potato crops.

3. **Analyzing the Options**: The options provided are:
- Late blight
- Early blight
- Dry rot of potato
- Red rot

4. **Researching Potato Diseases**:
- **Late Blight**: This is caused by the pathogen *Phytophthora infestans* and is known for destroying both the leaves and tubers of the potato plant. It was responsible for the widespread crop failures during the Irish famine.
- **Early Blight**: Caused by *Alternaria solani*, it affects the leaves but is not as devastating as late blight.
- **Dry Rot of Potato**: This is a storage disease caused by various fungi and does not relate to the crop failures during the famine.
- **Red Rot**: This is another disease affecting potatoes but is not linked to the Irish famine.

5. **Conclusion**: Given that late blight was the primary cause of the potato crop failures during the Irish famine, the correct answer is **Late Blight**.

**Final Answer**: The famous Irish famine is related to a disease of potato known as **Late Blight**.

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