Chapter 24, Problem 5.3Q

Summary Introduction

To determine: The force that is essential for the movement of phloem contents to pass through an aphid stylet.

Introduction: Phloem is a plant vascular tissue that transports food prepared from leaves during photosynthesis to all plant parts. It is made up of distinct cells such as sieve tubes, companion cells, phloem parenchyma, and phloem fibers. Aphids are tiny insects that feed on plant tissues especially phloem with the help of a special organ stylet.