What is the role of auxin on abscission of young leaves?

Explanation

**Step-by-Step Solution:**

1. **Understanding Abscission**:
- Abscission refers to the natural detachment of plant parts, such as leaves, flowers, or fruits, from the plant. It is a controlled and regulated developmental process that occurs when parts of the plant age or undergo senescence.

2. **Role of Auxin**:
- Auxin is a type of plant hormone (also known as a phytohormone) that plays a crucial role in regulating various physiological processes and growth phenomena in plants.

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