Which of the following plant diseases is caused by mineral deficiency?

Options

A. Heart rot of beets
B. White rust
C. Red rot of sugarcane
D. Wilt in cotton

Answer

**Step-by-Step Solution:**

1. **Identify the Options**: The question presents four options regarding plant diseases:
- Heart rot of beets
- White rust
- Red rot of sugarcane
- Wilt in cotton

2. **Analyze Each Disease**:
- **Heart Rot of Beets**: This disease is associated with a deficiency of boron, which is a mineral. Therefore, it is classified as a mineral deficiency disease.
- **White Rust**: This disease is caused by a fungus known as Albugo candida. It is not caused by mineral deficiency but rather by a pathogen.
- **Red Rot of Sugarcane**: This disease is caused by the fungus Colletotrichum. Similar to white rust, it is a fungal disease and not related to mineral deficiency.
- **Wilt in Cotton**: This disease is caused by the fungus Fusarium. Like the previous two, it is also not caused by mineral deficiency.

3. **Determine the Correct Answer**: Based on the analysis, the only disease caused by mineral deficiency is the heart rot of beets, which is specifically due to a deficiency of boron.

4. **Final Conclusion**: The correct answer to the question "Which of the following plant diseases is caused by mineral deficiency?" is the **Heart Rot of Beets**.

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