Fungal pathogen responsible for 'bakane' disease of rice seedlings is

Options

A. Gibberella kurosawa
B. Gibberella fujikuroi.
C. Gibberella moniliformae.
D. Oryza sativa.

Answer

**Step-by-Step Solution:**

1. **Identify the Disease**: The question asks for the fungal pathogen responsible for 'bakane' disease, which is also known as 'Foolish Seedling Disease'. This disease primarily affects rice seedlings.

2. **Determine the Causative Agent**: The causative agent of 'bakane' disease is a fungal pathogen.

3. **Name the Fungal Pathogen**: The specific fungal pathogen responsible for 'bakane' disease is *Zebralia fusicaria*.

4. **Historical Context**: The discovery of the disease and its causative agent was made by scientists in 1926, who noted that the symptoms appeared when rice seedlings were treated with sterile filters of the fungus.

5. **Active Substance**: The fungus *Zebralia fusicaria* produces an active substance known as Zebralic Acid, which is responsible for the symptoms of the disease.

6. **Conclusion**: Therefore, the fungal pathogen responsible for 'bakane' disease of rice seedlings is *Zebralia fusicaria*.

---