Long-lasting b-aminobutyric acid-induced resistance protects tomato fruit against Botrytis cinerea
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Altres documents de l'autoria: Wilkinson, S. W.; Pastor, Victoria; Paplauskas, S.; Pétriacq, Pierre; Luna Diez, Estrella
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comunitat-uji-handle3:10234/6999
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https://doi.org/10.1111/ppa.12725 |
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Títol
Long-lasting b-aminobutyric acid-induced resistance protects tomato fruit against Botrytis cinereaData de publicació
2018Editor
WileyISSN
0032-0862; 1365-3059Cita bibliogràfica
WILKINSON, S. W., et al. Long‐lasting β‐aminobutyric acid‐induced resistance protects tomato fruit against Botrytis cinerea. Plant Pathology, 2018, vol. 67, no 1, p. 30-41.Tipus de document
info:eu-repo/semantics/articleVersió de l'editorial
https://onlinelibrary.wiley.com/doi/full/10.1111/ppa.12725Versió
info:eu-repo/semantics/publishedVersionParaules clau / Matèries
Resum
Minimizing losses to pests and diseases is essential for producing sufficient food to feed the world’s rapidly growingpopulation. The necrotrophic fungus Botrytis cinerea triggers devastating pre- and post-harvest yield ... [+]
Minimizing losses to pests and diseases is essential for producing sufficient food to feed the world’s rapidly growingpopulation. The necrotrophic fungus Botrytis cinerea triggers devastating pre- and post-harvest yield losses in tomato(Solanum lycopersicum). Current control methods are based on the pre-harvest use of fungicides, which are limited bystrict legislation. This investigation tested whether induction of resistance by b-aminobutyric acid (BABA) at differentdevelopmental stages provides an alternative strategy to protect post-harvest tomato fruit against B. cinerea. Soil-drenching plants with BABA once fruit had already formed had no impact on tomato susceptibility to B. cinerea. How-ever, BABA application to seedlings significantly reduced post-harvest infection of fruit. This resistance response wasnot associated with a yield reduction; however, there was a delay in fruit ripening. Untargeted metabolomics revealeddifferences between fruit from water- and BABA-treated plants, demonstrating that BABA triggered a defence-asso-ciated metabolomics profile that was long lasting. Targeted analysis of defence hormones suggested a role of abscisicacid (ABA) in the resistance phenotype. Post-harvest application of ABA to the fruit of water-treated plants inducedsusceptibility to B. cinerea. This phenotype was absent from the ABA-exposed fruit of BABA-treated plants, suggestinga complex role of ABA in BABA-induced resistance. A final targeted metabolomic analysis detected trace residues ofBABA accumulated in the red fruit. Overall, it was demonstrated that BABA induces post-harvest resistance in tomatofruit against B. cinerea with no penalties in yield. [-]
Publicat a
Plant Pa thology (2018) 67Proyecto de investigación
P1.1B2015-33; BB/P00556X/1Drets d'accés
http://rightsstatements.org/vocab/CNE/1.0/
info:eu-repo/semantics/restrictedAccess
info:eu-repo/semantics/restrictedAccess
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