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      Plant-microbe interactions promoting plant growth and health: perspectives for controlled use of microorganisms in agriculture.

        1
      Applied microbiology and biotechnology
      Springer Science and Business Media LLC

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          Abstract

          Plant-associated microorganisms fulfill important functions for plant growth and health. Direct plant growth promotion by microbes is based on improved nutrient acquisition and hormonal stimulation. Diverse mechanisms are involved in the suppression of plant pathogens, which is often indirectly connected with plant growth. Whereas members of the bacterial genera Azospirillum and Rhizobium are well-studied examples for plant growth promotion, Bacillus, Pseudomonas, Serratia, Stenotrophomonas, and Streptomyces and the fungal genera Ampelomyces, Coniothyrium, and Trichoderma are model organisms to demonstrate influence on plant health. Based on these beneficial plant-microbe interactions, it is possible to develop microbial inoculants for use in agricultural biotechnology. Dependent on their mode of action and effects, these products can be used as biofertilizers, plant strengtheners, phytostimulators, and biopesticides. There is a strong growing market for microbial inoculants worldwide with an annual growth rate of approximately 10%. The use of genomic technologies leads to products with more predictable and consistent effects. The future success of the biological control industry will benefit from interdisciplinary research, e.g., on mass production, formulation, interactions, and signaling with the environment, as well as on innovative business management, product marketing, and education. Altogether, the use of microorganisms and the exploitation of beneficial plant-microbe interactions offer promising and environmentally friendly strategies for conventional and organic agriculture worldwide.

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          Author and article information

          Journal
          Appl Microbiol Biotechnol
          Applied microbiology and biotechnology
          Springer Science and Business Media LLC
          1432-0614
          0175-7598
          Aug 2009
          : 84
          : 1
          Affiliations
          [1 ] Environmental Biotechnology, Graz University of Technology, 8010 Graz, Austria. Gabriele.Berg@tugraz.at
          Article
          10.1007/s00253-009-2092-7
          19568745
          7793d767-09be-4a52-ab52-4215681d28d7
          History

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