Chapter 38.4, Problem 1C

Summary Introduction

To determine: Whether the observed necrotic lesions on the plant leaves are more likely due to a hypersensitive response or to systemic acquired resistance (SAR).

Introduction: Instead of an immune system, the plants have some defense mechanisms that are used to defend themselves from the attack of the pathogenic and herbivorous enemies. It consists of an efficient innate immune system and acquired resistance that help it to fight against local infections.