INTERRELATIONSHIPS BETWEEN MICROORGANISMS AND PLANTS IN SOIL

By Q. FANIM

CONTENTS BENE?TS OF PLANT GROWTH-PROMOTING RHIZOBACTERIA AND RHIZOBIA IN AGRICULTURE PLANT GROWTH PROMOTING RHIZOBACTERIA: FUNDAMENTALS AND APPLICATIONS POTENTIAL OF PGPR IN AGRICULTURAL INNOVATIONS IMPORTANCE OF BIO?LM FORMATION IN PLANT GROWTH PROMOTING RHIZOBACTERIAL ACTION PLANT GROWTH PROMOTING RHIZOBACTERIA: CONSTRAINTS IN BIOFORMULATION, COMMERCIALIZATION, AND FUTURE STRATEGIES ANTIFUNGAL COMPOUNDS OF PLANT GROWTH PROMOTING RHIZOBACTERIA AND ITS ACTION MODE ROLE OF PLANT GROWTH PROMOTING RHIZOBACTERIA IN BIOCONTROL OF PLANT DISEASES AND SUSTAINABLE AGRICULTURE POTENTIAL OF BACILLI FOR BIOCONTROL AND ITS EXPLOITATION IN SUSTAINABLE AGRICULTURE PLANT GROWTH PROMOTING RHIZOBACTERIA AS BIOCONTROL AGENTS AGAINST SOIL-BORNE PLANT DISEASES SUSTAINABLE APPROACHES FOR BIOLOGICAL CONTROL OF FUSARIUM WILT IN PIGEON PEA (CAJANUS CAJAN L MILLSPAUGH) PLANT GROWTH PROMOTER RHIZOBACTERIA IN PLANTS INHABITING HARSH TROPICAL ENVIRONMENTS AND ITS ROLE IN AGRICULTURAL IMPROVEMENTS COLD-TOLERANT AGRICULTURALLY IMPORTANT MICROORGANISMS THE ROLE OF PLANT GROWTH PROMOTING RHIZOBACTERIA IN SUSTAINABLE AND LOW-INPUT GRAMINACEOUS CROP PRODUCTION RICE ENDOPHYTIC DIAZOTROPHIC BACTERIA BACILLUS AND PAENIBACILLUS SPP: POTENTIAL PGPR FOR SUSTAINABLE AGRICULTURE THE ROLE OF ACC DEAMINASE PRODUCING PGPR IN SUSTAINABLE AGRICULTURE THE ROLE OF THE C:N:P STOICHIOMETRY IN THE CARBON BALANCE DYNAMICS OF THE LEGUME–AMF–RHIZOBIUM TRIPARTITE SYMBIOTIC ASSOCIATION REGULATION OF NITROGEN ASSIMILATION IN FOLIAR FED LEGUME PLANTS AT INSUF?CIENT MOLYBDENUM SUPPLY BENE?TS OF PLANT GROWTH-PROMOTING RHIZOBACTERIA AND RHIZOBIA IN AGRICULTURE INTRODUCTION RHIZOSPHERE IN ACTION ROLE OF PGPR IN AGRICULTURE POTENTIAL USES OF PGPR AND RHIZOBIA PGPR STUDIES IN ARGENTINA NEW STUDIES AND APPLICATIONS OF PGPR PERSPECTIVES AND CONCLUSION REFERENCES ABSTRACT THE RHIZOSPHERE IS THE VOLUME OF SOIL UNDER THE IN?UENCE OF PLANTS ROOTS, WHERE VERY IMPORTANT AND INTENSIVE MICROBE–PLANT INTERACTIONS TAKE PLACE THESE INTERACTIONS CAN BOTH SIGNI?CANTLY IN?UENCE PLANT GROWTH AND CROP YIELDS AND HAVE BIOTECHNOLOGICAL APPLICATIONS THE RHIZOSPHERE HARBORS A DIVERSE COMMUNITY OF MICROORGANISMS THAT INTERACT AND COMPETE WITH EACH OTHER AND WITH THE PLANT ROOT THE ACTIVITY OF SOME OF THE MEMBERS OF THIS COMMUNITY AFFECTS THE GROWTH AND THE PHYSIOLOGY OF THE OTHERS, AS WELL AS THE PHYSICAL AND CHEMICAL PROPERTIES OF THE SOIL AMONG ALL THESE INTERACTIONS, THOSE RESULTING IN SYMBIOTIC AND NON-SYMBIOTIC NITROGEN ?XATION ARE CONSIDERABLY IMPORTANT IN RECENT YEARS, THE USE OF BACTERIA