Summary
Drought is among the most significant environmental factors that frequently limits the growth and productivity of terrestrial plants, making them susceptible to various diseases and resulting in the death of many species each year. Because the plants could not relocate to avoid environmental stresses (i.e., drought, cold temperatures, and high salinity), they developed specific adaptive mechanisms at the root-soil interface to cope with these stresses, especially drought. For instance, under drought conditions, plants change the composition of root exudates by increasing the concentrations of abscisic acid (ABA). This hormone is transported through the xylem transport system to plant leaves, signalling the leaf stomata to regulate stomatal activity. It reduces water loss in plants and enha
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