What is effect of ethylene on storage organs such as rhizomes, tubers?

Explanation

### Step-by-Step Solution:

1. **Understanding Ethylene**: Ethylene is a plant hormone that acts as a growth regulator. It is unique because it exists in a gaseous form.

2. **Synthesis of Ethylene**: Ethylene is synthesized by plant tissues that are undergoing senescence, which is the process of aging in plant tissues.

3. **Functions of Ethylene**:
- Promotes senescence (aging) of plant tissues.
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