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Insights to plant-microbe interactions provide opportunities to improve resistance breeding against root diseases in grain legumes

Wille, Lukas; Messmer, Monika; Studer, Bruno and Hohmann, Pierre (2018) Insights to plant-microbe interactions provide opportunities to improve resistance breeding against root diseases in grain legumes. Plant Cell & Environment, Epub, pp. 1-21.

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Online at: https://onlinelibrary.wiley.com/doi/full/10.1111/pce.13214

Summary

Root and foot diseases severely impede grain legume cultivation worldwide. Breeding lines with resistance against individual pathogens exist, but these resistances are often overcome by the interaction of multiple pathogens in field situations. Novel tools allow to decipher plant–microbiome interactions in unprecedented detail and provide insights into resistance mechanisms that consider both simultaneous attacks of various pathogens and the interplay with beneficial microbes. Although it has become clear that plant‐associated microbes play a key role in plant health, a systematic picture of how and to what extent plants can shape their own detrimental or beneficial microbiome remains to be drawn. There is increasing evidence for the existence of genetic variation in the regulation of plant–microbe interactions that can be exploited by plant breeders. We propose to consider the entire plant holobiont in resistance breeding strategies in order to unravel hidden parts of complex defence mechanisms. This review summarizes (a) the current knowledge of resistance against soil‐borne pathogens in grain legumes, (b) evidence for genetic variation for rhizosphere‐related traits, (c) the role of root exudation in microbe‐mediated disease resistance and elaborates (d) how these traits can be incorporated in resistance breeding programmes.


EPrint Type:Journal paper
Keywords:LIVESEED, Department of Crop Sciences, Plant Breeding, genetic diversity, holobiont, mokrobiome, pulses, rhizosphere, root exudates, soilbornes
Subjects: Crop husbandry > Production systems > Cereals, pulses and oilseeds
Soil
Crop husbandry > Breeding, genetics and propagation
Crop husbandry > Crop health, quality, protection
Research affiliation: Switzerland > ETHZ - Agrarwissenschaften
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Plant breeding
ISSN:1365-3040
DOI:https://doi.org/10.1111/pce.13214
Deposited By: Wille, Lukas
ID Code:33538
Deposited On:15 Aug 2018 14:15
Last Modified:15 Aug 2018 14:15
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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