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Indución de resistencia a Botrytis cinerea en Solanum lycopersicum mediante a aplicación dunha combinación de fitohormonas

Inducción de resistencia a Botrytis cinerea en Solanum lycopersicum mediante la aplicación de una combinación de fitohormonas
Authors: Hermida Mera, Paula;

Indución de resistencia a Botrytis cinerea en Solanum lycopersicum mediante a aplicación dunha combinación de fitohormonas

Abstract

[Resumen]: El hongo patógeno Botrytis cinerea causa importantes pérdidas en multitud de cultivos. Una forma de reducir sus efectos es la inducción de resistencia en especies huésped utilizando diferentes sustancias como las fitohormonas. En el presente proyecto se diseñan varios ensayos con la finalidad de demostrar el efecto sinérgico de la aplicación exógena de dos fitohormonas (brasinoesteroides y jasmonatos) en la reducción de los daños causados por B. cinerea en plantas de tomate (Solanum lycopersicum). Para comprobar la eficacia del tratamiento se analizarán la incidencia y la severidad de la enfermedad, se realizará la cuantificación de la colonización de la planta por el patógeno y se medirán marcadores de la respuesta defensiva de la planta como la concentración de H2O2 y de O2- , la actividad de las enzimas antioxidantes superóxido dismutasa, catalasa y ascorbato peroxidasa y la expresión de los genes que codifican dichas enzimas.

[Resumo]: O fungo patóxeno Botrytis cinerea é o causante de importantes perdas en multitude de cultivos. Un xeito de combater os seus efectos é a indución de resistencia en especies hóspede utilizando diferentes sustancias como poden ser as fitohormonas. No presente estudio deséñanse varios ensaios coa finalidade de demostrar o efecto sinérxico da aplicación esóxena de dúas fitohormonas (brasinoesteroides e xasmonatos) na redución dos danos causados por B. cinerea en plantas de tomate (Solanum lycopersicum). Para comprobar a eficacia do tratamento analizaranse a incidencia e a severidade da enfermidade, realizarase a cuantificación da colonización da planta polo patóxeno e mediranse marcadores da resposta defensiva da planta como a concentración de H2O2 e O2 -, a actividade das encimas antioxidantes superóxido dismutasa, catalasa e ascorbato peroxidasa e a expresión dos xenes que codifican ditas encimas.

[Abstract]: The pathogenic fungus Botrytis cinerea causes significant crop losses in a wide variety of plant species. One way to reduce such losses is the use of resistance inducers such as phytohormones. In the present project several assays were designed in order to demonstrate the synergistic effect of the exogenous application of two phytohormones (brassinosteroids and jasmonates) in the reduction of damages caused by B. cinerea in tomato plants (Solanum lycopersicum). To check the effectiveness of the treatment we planned to analyse the incidence and the severity of the disease, the quantification of fungal development on plant tissue, the quantification of defensive response markers as H2O2 and O2- levels, the activity of antioxidant enzymes (superoxide dismutase, catalase and ascorbate peroxidase) and the expression of the genes coding for these enzymes.

Traballo fin de mestrado (UDC.CIE). Bioloxía molecular, celular e xenética. Curso 2017/2018

Country
Spain
Related Organizations
Keywords

Botrytis cinerea, Tomates-Enfermedades y plagas, Jasmonatos, Plantas-Resistencia a enfermedades y plagas, Plantas-Enfermedades y plagas, Hongos patógenos, Plantas-Hormonas, Brasinoesteroides

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green