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Un nuevo enfoque sostenible de gestión de plagas y enfermedades a través de la inducción de defensas de las plantas

Authors: Pérez-Hedo, Mertixell; Urbaneja, Alberto;

Un nuevo enfoque sostenible de gestión de plagas y enfermedades a través de la inducción de defensas de las plantas

Abstract

Las plantas son capaces de activar defensas en respuesta al ataque de herbívoros. Estas defensas pueden ser directas o indirectas, y pueden aprovecharse para su integración en programas de gestión sostenible de plagas y enfermedades. En estudios realizados por el IVIA, se ha demostrado que la exposición de plantas de tomate, pimiento y cítricos a varios volátiles inducidos por herbivoría (HIPV’s) aumentan la sobreexpresión de genes defensivos en comparación con plantas no expuestas. De estos volátiles, se ha seleccionado el (Z)-3-hexenil propanoato [(Z)-3-HP] por su capacidad para activar diversas rutas defensivas en los tres cultivos. Además, se ha confirmado que la exposición a (Z)-3-HP aumenta la producción de compuestos derivados de ácidos grasos y la acumulación de compuestos de defensa específicos. Para su aplicación práctica, y en colaboración con el grupo del CEQA de la UPV, se diseñaron difusores poliméricos de liberación controlada que son capaces de emitir (Z)-3-HP a tasas constantes durante períodos prolongados y que ya han sido probados en condiciones de campo en los tres cultivos mencionados. Los resultados obtenidos sugieren que el uso de HIPV’s puede ser una estrategia prometedora para la gestión sostenible de plagas y enfermedades en agricultura.

Country
Spain
Keywords

Control biológico, H10 Pests of plants, Encarsia formosa, HIPVs, Plagas, P01 Nature conservation and land resources, Tetranychus urticae, H01 Protection of plants - General aspects, Tuta absoluta, Volátiles, Genes defensivos, U30 Research methods, Inducción de defensas, Aulacorthum solani, Difusores poliméricos, Nesidiocoris tenuis, H20 Plant diseases, Enfermedades de las plantas

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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!
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