Plants: Their Response to Abiotic Stress

Abiotic stress is defined as the negative impact of non-living factors on living organisms, such as plants, in a specific environment. It includes adverse effects of metal toxicity, high temperature, nutrient deficiency, drought, salinity and flooding. When plants are exposed to abiotic stresses for a long period, it results in metabolism alteration and damage to biomolecules. The plants usually develop certain defense mechanisms or responses in order to tolerate abiotic stresses by upregul...