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¿Se comunican las plantas de brásicas para defenderse de las plagas de insectos herbívoros?

Authors: Cartea González, María Elena; Francisco Candeira, Marta; Madloo, Pari; Rodríguez Graña, Víctor Manuel;

¿Se comunican las plantas de brásicas para defenderse de las plagas de insectos herbívoros?

Abstract

[ES] En este trabajo se ha estudiado la repuesta defensiva de las plantas de brásicas (receptoras) al lepidóptero Mamestra brassicae cuando crecen en la proximidad de otras brásicas (emisoras) dañadas previamente por este insecto. El objetivo ha sido demostrar la hipótesis de la comunicación entre plantas en el caso de brásicas dañadas por herbivoría. Se observó que las plantas receptoras infestadas con larvas de M. brassicae presentan menos daños y las larvas tienen un menor desarrollo cuando crecen próximas a plantas de brécol dañadas previamente por herbivoría. Podemos concluir que los cultivos de brásicas son capaces de percibir la herbivoría en su entorno y prepararse para un ataque posterior, pero solo parece existir comunicación intra e interespecífica cuando la especie Brassica oleracea es la emisora.

[EN] We studied if Brassica plants (receiver) can modify their defense to the lepidopteran Mamestra brassicae when they grow in the proximity of other Brassica (emitter) plants attacked by this pest. The objective was to demonstrate the hypothesis of the communication between plants for Brassica crops damaged by herbivory. We observed that after exposing receiver plants to artificial infestation with M. brassicae larvae plants grown close to herbivore-damaged broccoli were less damaged and larvae showed a lower growth. We can conclude that Brassica crops are able to perceive herbivory in their environment and prepare for a later attack, but intra and interspecific communication only seems to exist when Brassica oleracea is the emitter.

5 páginas.- 1 figura y 3 fotografías.

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selected citations
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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).
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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.
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