The following article will guide you about how plants cope with heavy-metal stress. Heavy-Metal Stress in Plants: A heavy-metal is any one of a number of high atomic weight elements which has the properties of a metallic substance at room temperature. There are several different definitions concerning as to which elements fall in this class designation. According to one definition, [...]
Let us make an in-depth study of the methods employed by plants to cope with high temperature. High-temp or heat stress is an important environmental stress factor in plant productivity that typically accompanies drought conditions. Intense solar radiations and/or decreased evaporation of water from plant surfaces add to heat stress faced by plants. Upper Temperature Limit for Survival: Although some [...]
The following points highlight the two methods employed by plants to cope with biotic stresses. The methods are: 1. Hypersensitive Response and 2. Secondary Acquired Resistance. Method # 1. Hypersensitive Response (HR): On being attacked by insects or a pathogenic microorganism, typically a plant responds with: (i) Formation of pathogenesis-related (PR) proteins, (ii) Biosynthesis of phytoalexins, (iii) Changes in composition [...]