Plant stress responses are a collection of molecular and cellular mechanisms that are initiated when a plant detects some type of stress. Abiotic stresses, such as drought or excessive light, and biotic stresses, such as herbivores or pathogens.
Stress sensing and signal transduction are important adaptive mechanisms in the tolerance to the negative effects of multiple environmental stresses because they allow the activation of multiple signalling cascades responsible for the triggering of various cellular responses. Stress detection and signal transduction work together to provide critical adaptive mechanisms for coping with the detrimental impacts of a variety of environmental stresses. Understanding the sensing and signalling processes used by plants to detect and respond to stress is critical for the creation of stress-resistant crops by utilising current strategies and technologies.