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Titre du document / Document title

Polyphenolic pattern in apple tree leaves in relation to scab resistance. A preliminary study

Auteur(s) / Author(s)

PICINELLI A. ; DAPENA E. ; MANGAS J. J. ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

Inst. exp. promoción agraria, 33300 Villaviciosa, ESPAGNE

Résumé / Abstract

Polyphenols were analyzed by HPLC in apple tree leaves of different scab-resistant and -susceptible cultivars to compare their phenolic contents in relation to their resistance to the disease. Quantitative and slight qualitative differences among cultivars were found. Dihydrochalcones (phloridzin and phloretin) and flavonols were the main phenolic compounds determined in all of the cultivars studied. In the younger stage, it would be possible to differentiate sensitive from resistant apple varieties on the basis of their flavanols contents and phloridzin/flavanol ratio. Likewise, higher levels of two p-coumaric acid derivatives were found in cultivars with the polygenic resistance character.

Revue / Journal Title

Journal of agricultural and food chemistry    ISSN  0021-8561   CODEN JAFCAU 

Source / Source

1995, vol. 43, no8, pp. 2273-2278 (19 ref.)

Langue / Language

Anglais

Editeur / Publisher

American Chemical Society, Washington, DC, ETATS-UNIS  (1953) (Revue)

Mots-clés anglais / English Keywords

Property composition relationship

;

Investigation method

;

HPLC chromatography

;

Malus domestica

;

Plant leaf

;

Chemical composition

;

Polyphenol

;

Biological activity

;

Fungus resistance

;

Venturia inaequalis

;

Fruit tree

;

Rosaceae

;

Dicotyledones

;

Angiospermae

;

Spermatophyta

;

Ascomycetes

;

Fungi

;

Thallophyta

;

Mots-clés français / French Keywords

Relation composition propriété

;

Méthode étude

;

Chromatographie HPLC

;

Malus domestica

;

Feuille végétal

;

Composition chimique

;

Polyphénol

;

Activité biologique

;

Résistance champignon

;

Venturia inaequalis

;

Arbre fruitier

;

Rosaceae

;

Dicotyledones

;

Angiospermae

;

Spermatophyta

;

Ascomycetes

;

Fungi

;

Thallophyta

;

Mots-clés espagnols / Spanish Keywords

Relación composición propiedad

;

Método estudio

;

Cromatografía HPLC

;

Malus domestica

;

Hoja vegetal

;

Composición química

;

Polifenol

;

Actividad biológica

;

Resistencia a los hongos

;

Venturia inaequalis

;

Arbol frutal

;

Rosaceae

;

Dicotyledones

;

Angiospermae

;

Spermatophyta

;

Ascomycetes

;

Fungi

;

Thallophyta

;

Localisation / Location

INIST-CNRS, Cote INIST : 7332, 35400005448551.0570

Nº notice refdoc (ud4) : 3653265



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