Recent advances of PGPR based approaches for stress tolerance in plants for sustainable agriculture

The increasing worldwide population is a significant challenge for agricultural food production to feed the alarming rate of the growing world population. The enhancing community directly affected by several factors, including the limitation of agricultural land, environmental damage, and the number of biotic and abiotic stresses, which affect global food production. It is essential to increase agricultural productivity to feed an increasing population. Several approaches are needed, such as greater use of chemicals including fertilizers, pesticides, and herbicides. Several other factors, such as overcome the posture, saline, and drought land, can be improved by using stress-tolerant plant growth-promoting microorganisms. Though, many of the solutions attempted to this problem are not sustainable and are only be valid for the short term. Stresses tolerant plant growth-promoting rhizobacteria (PGPR) can produce bioactive compounds such as gibberellins and indole acetic acid. PGPR also produced several active enzymes under drought, heavy metals, and salts stress. PGPR approach can enhance plant growth and consequently crop yield with maintained eco-friendly environment. The present review focused on the recent advances of PGPR approach in concern to different biotic and abiotic stresses.