An Imaging Approach to Identify Mechanisms of Resistance to Pineapple Fruitlet Core Rot

An Imaging Approach to Identify Mechanisms of Resistance to Pineapple Fruitlet Core Rot.

Bastien Barral (1) , Marc Chillet (1, 2) , Mathieu Léchaudel (1, 2) , Marc Lartaud (3, 4) , Jean-Luc Verdeil (3, 4) , Geneviève Conejero (5, 6) , Sabine Schorr-Galindo (1, 7, 8, 9)

1 UMR Qualisud - Démarche intégrée pour l'obtention d'aliments de qualité
2 Cirad-PERSYST - Département Performances des systèmes de production et de transformation tropicaux
3 UMR AGAP - Amélioration génétique et adaptation des plantes méditerranéennes et tropicales
4 Cirad-BIOS - Département Systèmes Biologiques
5 BPMP - Biochimie et Physiologie Moléculaire des Plantes
6 PHIV MRI - Plateforme RIO Imaging
7 CHRU Montpellier - Centre Hospitalier Régional Universitaire [Montpellier]
8 Montpellier SupAgro - Institut national d’études supérieures agronomiques de Montpellier
9 AU - Avignon Université

. The major phenolics bound to the cell walls were coumaric and ferulic acids and were found in higher amounts in the resistant cultivar postinoculation. The combination of fruitlet anatomy and lignification plays a role in the mechanism of host resistance to fruitlet core rot.

Mots clés: Ananas comosus; coumaric acid; carpel margin; disease resistance; ferulic acid; fruitlet core rot; septal nectaries; resistance to diseases; coumaric acids

Mots clés: acide férulique; nectar; acide coumarique; ananas comosus; résistance aux maladies; pourriture molle

Domaines: Biologie végétale

Bastien Barral, Marc Chillet, Mathieu Léchaudel, Marc Lartaud, Jean-Luc Verdeil, et al.. An Imaging Approach to Identify Mechanisms of Resistance to Pineapple Fruitlet Core Rot. Frontiers in Plant Science, 2019, 10, pp.1065. ⟨10.3389/fpls.2019.01065⟩. ⟨hal-02439975⟩