Early bilght of Potato is caused by

Options

A. phytophthora infestans
B. Penicillium notatum
C. Alternaria solani
D. Cystopus candidus

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the causative agent of early blight in potatoes.

2. **Reviewing the Options**: The options provided are:
- A) Phytophthora infestans
- B) Penicillium notatum
- C) Alternaria solani
- D) Cystoper Candidus

3. **Analyzing Each Option**:
- **Option A: Phytophthora infestans**: This organism is known to cause late blight in potatoes and tomatoes, not early blight. Therefore, this option is incorrect.

- **Option B: Penicillium notatum**: This fungus is primarily known for its role in antibiotic production (penicillin) and does not cause early blight in potatoes. Thus, this option is also incorrect.

- **Option C: Alternaria solani**: This is a fungal pathogen that is specifically known to cause early blight in potatoes and tomatoes. It produces distinctive symptoms such as bull's-eye patterned leaf spots. This option is correct.

- **Option D: Cystoper Candidus**: This organism is known as white rust and does not cause early blight in potatoes. Therefore, this option is incorrect.

4. **Conclusion**: After analyzing all the options, the correct answer to the question "Early blight of Potato is caused by" is **C) Alternaria solani**.

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