The fungus associated with discovery and source of gibberellins is

Options

A. Fusarium oxysporum
B. Fausarium solanii
C. Fusarium moniliforme
D. Fusarium longipes.

Answer

**Step-by-Step Solution:**

1. **Understanding Gibberellins**: Gibberellins are plant hormones that play a crucial role in regulating various growth processes in plants, such as stem elongation, seed dormancy, and germination.

2. **Historical Context**: The discovery of gibberellins dates back to 1935 when scientists Yabuta and Tsumugi first isolated these hormones.

3. **Source of Gibberellins**: The gibberellins were isolated from a specific fungus. The name of this fungus is essential for answering the question.

4. **Identifying the Fungus**: The fungus from which gibberellins were first isolated is known as *Gibberella fujikuroi*. This fungus is also referred to by another name, *Fusarium moniliforme*.

5. **Conclusion**: Based on the information gathered, the correct answer to the question regarding the fungus associated with the discovery and source of gibberellins is *Fusarium moniliforme*.

**Final Answer**: The fungus associated with the discovery and source of gibberellins is *Fusarium moniliforme*.

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