INVESTIGADORES
GARRIZ andres
capítulos de libros
Título:
Bioefficacy of endophytes in the control of plant diseases
Autor/es:
FERNANDO M. ROMERO; NIEVA AMIRA SUSANA; RUIZ OA; GÁRRIZ ANDRES; ROSSI, FRANCO RUBÉN
Libro:
Endophytes: Mineral Nutrient Management
Editorial:
Springer
Referencias:
Lugar: Uttarakhand; Año: 2020;
Resumen:
Plants establish multiple kinds of interactions with microorganisms, which can be neutral, beneficial or detrimental for the plant host. Some interactions involve endophytic microorganisms that colonize inner parts of plants, in many cases without causing deleterious effects on them. These endophytes can be able to promote plant growth both directly or indirectly. Direct plant-growth promotion include production of phytohormones, nitrogen fixation and increase of nutrient availability. On the other hand, endophytes can promote plant growth indirectly by contributing to plant health. In this trend, endophytes diminish disease development by several mechanisms. Some of them involved direct antagonistic and parasitic interaction between pathogens and endophytes, whereas other mechanism does not require direct interactions because it is based on the ability of endophytes to induce systemic resistance in the host, which allow the plant to respond faster and/or more intensively upon pathogen infection. Usually, endophytes share more than one of these mechanisms so the outcome of the interaction is the sum of different strategies. Consequently, there is increasing interest in endophytes as a source of biotechnological products for biological control. In this chapter, we will review and discuss some examples of bacterial and fungal endophytes as potential biological control agents and their mechanisms of action. We will also analyse the latest work relating the nutrient uptake/management, specifically iron and nitrogen nutrition, with the biological control exerted by beneficial microorganisms.