Plant neighbour-modulated susceptibility to pathogens in intraspecific mixtures

© The Author(s) 2021. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 72(2021), 18 vom: 30. Sept., Seite 6570-6580
1. Verfasser: Pélissier, Rémi (VerfasserIn)
Weitere Verfasser: Buendia, Luis, Brousse, Andy, Temple, Coline, Ballini, Elsa, Fort, Florian, Violle, Cyrille, Morel, Jean-Benoit
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Oryza sativa Triticum turgidum Disease immunity intraspecific mixture neighbour plant–plant interactions rice wheat
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520 |a As part of a trend towards diversifying cultivated areas, varietal mixtures are subject to renewed interest as a means to manage diseases. Besides the epidemiological effects of varietal mixtures on pathogen propagation, little is known about the effect of intraspecific plant-plant interactions and their impact on responses to disease. In this study, genotypes of rice (Oryza sativa) or durum wheat (Triticum turgidum) were grown with different conspecific neighbours and manually inoculated under conditions preventing pathogen propagation. Disease susceptibility was measured together with the expression of basal immunity genes as part of the response to intra-specific neighbours. The results showed that in many cases for both rice and wheat susceptibility to pathogens and immunity was modified by the presence of intraspecific neighbours. This phenomenon, which we term 'neighbour-modulated susceptibility' (NMS), could be caused by the production of below-ground signals and does not require the neighbours to be infected. Our results suggest that the mechanisms responsible for reducing disease in varietal mixtures in the field need to be re-examined 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Oryza sativa 
650 4 |a Triticum turgidum 
650 4 |a Disease 
650 4 |a immunity 
650 4 |a intraspecific mixture 
650 4 |a neighbour 
650 4 |a plant–plant interactions 
650 4 |a rice 
650 4 |a wheat 
700 1 |a Buendia, Luis  |e verfasserin  |4 aut 
700 1 |a Brousse, Andy  |e verfasserin  |4 aut 
700 1 |a Temple, Coline  |e verfasserin  |4 aut 
700 1 |a Ballini, Elsa  |e verfasserin  |4 aut 
700 1 |a Fort, Florian  |e verfasserin  |4 aut 
700 1 |a Violle, Cyrille  |e verfasserin  |4 aut 
700 1 |a Morel, Jean-Benoit  |e verfasserin  |4 aut 
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