What is the most significant role of pericycle ?

Explanation

**Step-by-Step Text Solution:**

1. **Definition of Pericycle**: The pericycle is a layer of cells located just inside the endodermis of the root. It is a part of the root structure in flowering plants.

2. **Significant Role**: The most significant role of the pericycle is to regulate the formation of lateral roots. Lateral roots are essential for the plant as they help in anchoring the plant and increasing the surface area for water and nutrient absorption.

3. **Mechanism of Action**: The pericycle cells are capable of rapid division, particularly near the xylem elements. This rapid division is crucial for the initiation of lateral roots.

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