Question

What is the function of the pericycle?

    What is the function of the pericycle?

Plant Systematics

Plant Systematics

Michael G. Simpson 2nd Edition

Chapter 10, Problem 30

Instant Answer

Solved by Expert John Barone

07/07/2020

Step 1

Its main function is to give rise to lateral roots and to contribute to the formation of the vascular tissue in the root. When a plant needs to grow new roots, the pericycle cells divide and differentiate into root primordia, which eventually develop into Show more…

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What is the function of the pericycle?

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Key Concepts

Pericycle

The pericycle is a layer of cells found in plant roots that surrounds the vascular tissue. It has the unique ability to become meristematic, meaning that under the right conditions, its cells can divide to form new tissues.

Lateral Root Initiation

One key function of the pericycle is initiating lateral root formation. Cells in this layer re-enter the cell cycle to produce lateral root primordia, which develop into new roots, thereby increasing the plant's ability to absorb water and nutrients.

Secondary Growth

In some plants, the pericycle contributes to secondary growth by giving rise to the vascular cambium, a meristem that produces secondary xylem and phloem. This process enables the thickening of roots and stems, enhancing the plant's structural support.

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