Resumo

CANO, Mario Alejandro. A REVIEW OF INTERACTION OF BENEFICIAL MICROORGANISMS IN PLANTS: Mycorrhizae, Trichoderma spp. and Pseudomonas spp. rev.udcaactual.divulg.cient. [online]. 2011, vol.14, n.2, pp.15-31. ISSN 0123-4226.

A wide range of interactions between species of microorganisms in ecosystems such as synergistic, antagonistic, physical and biochemical competition, modulated by multiple and complex biotic and abiotic factorsdo exsist. In the rhizosphere, one of the main sites where microorganisms are functiona, specifications, such as nitrogen fixers, phosphate solubilizers, plant growth promotion, biocontrol and pathogenic species, usually for space and nutrients are found. These interrelationships between organisms affect the soil-plant-micro-environment and directly influence the growth and development of plant species. Rhizospheric microorganisms such as arbuscular mycorrhizal fungi(AMF), Trichoderma fungi and bacteria of the genus Pseudomonas, usually classified as biological control agents (BCA) and plant growth promoting microorganisms (PGPM), depend on these factors to express their potential beneficial effects. However, the interaction of these three types of microorganisms can be synergistic, potentializing the benefits or otherwise, antagonistic effects do not occur, being the effect on the growth and development of plants absent. According to the above, the purpose of this review was to provide information to understand some of the interactions between microorganisms and thus to clarify the applicability of the co-inoculation of BCA and PGPM from different species with a common goal, the control or biological control of plant pathogens and as a result set and parallel stimulation of plant growth.

Palavras-chave : Biological control; microorganisms; growth promoters; synergism; antagonism.

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