5.6.2 Morphological, Physiological, and Biochemical Adaptation.

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References4: Rhizobial Bioformulations: Past, Present and Future; 4.1 Introduction; 4.2 History; 4.3 Present Scenario; 4.4 Limitations: With the Current System; 4.5 Future Prospects; 4.6 Conclusion; References; 5: Rhizotrophs in Saline Agriculture; 5.1 Introduction; 5.2 Plant Growth Promotion by Rhizobacteria; 5.3 Plant Microbe Interaction Under Saline Condition; 5.4 Salt Tolerance Potential of Rhizobacteria; 5.5 Application of Rhizobacteria in Salt Tolerance of Crops; 5.6 Mechanism of Osmotic Tolerance in Rhizobacteria; 5.6.1 Molecular Adaptation (Proteomics and Transcriptomics).

About the Series Editor; About the Editor; 1: Gluconacetobacter azotocaptans: A Plant Growth-Promoting Bacteria; 1.1 Introduction; 1.2 Gluconacetobacter azotocaptans; 1.3 Growth Promotion of Cereals Inoculated with G. azotocaptans DS1; 1.3.1 Corn; 1.3.2 Wheat; 1.4 Growth Promotion of Vegetables Inoculated with G. azotocaptans DS1; 1.4.1 Sweet Pepper; 1.4.2 Cucumber; 1.4.3 Tomato; 1.4.4 Radish; 1.5 Use of G. azotocaptans DS1 as Inoculum for Potato Plants in Tissue Culture; 1.6 Gluconacetobacter azotocaptans DS1 as Plant Growth Promoter; 1.7 Conclusions; References.

2: Modifying the Rhizosphere of Agricultural Crops to Improve Yield and Sustainability: Azospirillum as a Model Rhizotroph2.1 Introduction; 2.2 The Concept of Soil Health; 2.3 The Rhizosphere; 2.4 Using Microbes to Attain Higher Benefits in Sustainable Agriculture; 2.4.1 Beneficial Microbial Modes of Action on Plants; 2.4.2 Microbial Inoculants as Components in Current Agronomical Practices; 2.4.2.1 Phytostimulators; 2.4.2.2 Biofertilizers; 2.4.2.3 Biological Control Agents; 2.5 Azospirillum as a Model Rhizotroph; 2.6 Outlook and Conclusion; References.

3.3.1.2 Cytokinins3.3.1.3 Gibberellins; 3.3.1.4 1-Aminocyclopropane-1-Carboxylate (ACC) Deaminase; 3.3.1.5 Phosphate Solubilizing Pseudomonas spp.; 3.3.1.6 Siderophores; 3.3.1.7 Pyrroloquinoline Quinone; 3.3.2 Plant-Beneficial Fluorescent Pseudomonads in Biocontrol; 3.3.2.1 Plant-Pathogens and Systems Controlled by Fluorescent Pseudomonads; 3.3.2.2 Mechanisms Involved in Disease Suppression; 3.3.2.2.1 Competition; 3.3.2.2.2 Induced Resistance; 3.3.2.2.3 Antibiosis; 3.3.2.2.4 Phenazines; 3.3.3 Regulation of Biocontrol Mechanisms; 3.4 Conclusions and Future Perspectives.

3: Pseudomonadaceae: From Biocontrol to Plant Growth Promotion3.1 Introduction; 3.1.1 The Pseudomonadaceae; 3.1.2 Fluorescent Pseudomonads; 3.1.3 Genomics and Genome Plasticity; 3.2 Rhizosphere Competence of Plant-Beneficial Fluorescent Pseudomonads; 3.2.1 Interactions Between Plant-Beneficial Pseudomonas spp. and Their Host; 3.2.1.1 Rhizoplane Colonization by Plant-Beneficial Pseudomonas spp.; 3.2.1.2 Antibiotic Production; 3.3 Fluorescent Pseudomonad Mechanisms Leading to Plant Growth Promotion; 3.3.1 Direct Plant Growth Promotion; 3.3.1.1 Indole-3-Acetic Acid.

This book describes the contributions of rhizotrophs - microbes associated with the parts of plants below ground - in sustainable agriculture. It covers a broad range of aspects, from plant growth promotion to bioremediation. It highlights the role of bacteria, actinomycetes, mycorrhizal fungi, and most interestingly protists, in the sustainability of agriculture. Further, it addresses in detail the involvement of quorum sensing signals, and the role of hydrolytic enzymes and bacteriocin in combating the phytopathogen. The book sheds light on the interaction of rhizotrophs in rhizosphere and how these microbes support plants growing under adverse stress conditions such as saline, drought or heavy-metals contamination. Challenges faced in the field application of these microbes, strategies for modifying the rhizosphere to improve crop yield, and the latest advances in rhizobial bioformulations are also discussed. Overall, the book provides comprehensive information on how various microbes can be used to improve the sustainability of agriculture without disturbing the environment.