
handle: 10396/15987
Los ascomicetos mitospóricos entomopatógenos (AME) son un componente importante de la microbiota de los ecosistemas naturales, agrícolas y forestales, donde regulan las poblaciones de insectos y ácaros fitófagos, pero además, pueden ser utilizados de forma deliberada para el control de plagas de acuerdo con distintas estrategias, incluso de forma inundativa, como micoinsecticidas. Más allá, trabajos llevados a cabo principalmente en la última década resaltan que la función ecológica de los AME sobrepasa su condición de entomopatógenos, pues sus sorprendentes relaciones con las plantas, como endófitos, en el filoplano o en la rizosfera, abren nuevos horizontes en la protección y producción vegetal. Los resultados de esta tesis doctoral ponen de manifiesto los beneficios asociados al carácter endófito y competente en la rizosfera de cepas de AME, principalmente de los géneros Beauveria y Metarhizium, sobre distintas plantas cultivadas, no sólo por su impacto en el control de plagas, sino también sobre su crecimiento y nutrición férrica en suelos calcáreos.
The entomopathogenic mitosporic ascomycetes (EMA) are an important component of the microbiota of natural, agricultural and forest ecosystems, where they regulate insect populations and phytophagous mites, but can also be used deliberately for the control of pests in accordance with different strategies, including inundative release as mycoinsecticides. Furthermore, works carried out mainly in the last decade highlight that the ecological role of EMAs exceeds their status as entomopathogens, because of their surprising associations with plants, as endophytes, in the phylloplane or in the rhizosphere, open new horizons in Plant protection and Production. The results of this Doctoral Thesis show the benefits associated with the endophytic and rhizosphere competent behavior of strains of EMA, mainly of the genera Beauveria and Metarhizium, on different cultivated plants, not only for their impact on the control of pests, but also about its growth and ferric nutrition in calcareous soils.
Root length, Sorgo, Trigo, Clorosis férrica, Spodoptera littoralis, Rizosfera, Isaria farinosa, Endophyte, Iron chlorosis, Sunflower, Longitud raíz, Rhizosphere, Wheat, Método de inoculación, Endófito, Girasol, Inoculation method, Beauveria bassiana, Metarhizium brunneum, Sorghum
Root length, Sorgo, Trigo, Clorosis férrica, Spodoptera littoralis, Rizosfera, Isaria farinosa, Endophyte, Iron chlorosis, Sunflower, Longitud raíz, Rhizosphere, Wheat, Método de inoculación, Endófito, Girasol, Inoculation method, Beauveria bassiana, Metarhizium brunneum, Sorghum
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