Priming of Plant Defences by PGPR against Fungal and Bacterial Plant Foliar Pathogens -- The Management of Soil Quality and Plant Productivity in Stressed Environment with Rhizobacteria -- Plant Growth Promoting Rhizobacteria (PGPR) as Alleviators for Soil Degradation -- Microbial Products and Soil Stresses -- Interactions Between Legumes and Rhizobia Under Stress Conditions -- Cold tolerant PGPRs as Bioinoculants for Stress Management -- Hormonal Signaling by PGPR Improves Plant Health Under Stress Conditions -- Microbial ACC-Deaminase Biotechnology: Perspectives and Applications in Stress Agriculture -- Rhizobacterial ACC deaminase in Plant Growth and Stress Amelioration -- Bacterial Mediated Alleviation of Abiotic Stress in Crops -- Rhizobacteria mediated induced systemic tolerance in plants: prospects for abiotic stress management -- PGPR For Protection of Plant Health Under Saline Conditions -- PGPR as Inoculants in Management of Lands Contaminated With Trace Elements -- The Use of ACC Deaminase to Increase the Tolerance of Plants to Various Phytopathogens -- Nutrient Availability and Management in the Rhizosphere by microorganisms.