Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves
The first serious outbreak of Flavescence dorée (FD) in Piedmont (North-West Italy) dates back to 1998 in the Tortona area (Alessandria province). FD is a serious quarantine-worthy disease transmitted by the leafhopper Scaphoideus titanus Ball. Different Vitis vinifera L. biotypes react differently...
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Format: | Article |
Language: | English |
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EDP Sciences
2019-01-01
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Series: | BIO Web of Conferences |
Online Access: | https://www.bio-conferences.org/articles/bioconf/full_html/2019/02/bioconf_conavi2018_03003/bioconf_conavi2018_03003.html |
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author | Ferrandino Alessandra Pagliarani Chiara Kedrina-Okutan Olga Icardi Sara Bove Marco Lovisolo Claudio Novello Vittorino Schubert Andrea |
author_facet | Ferrandino Alessandra Pagliarani Chiara Kedrina-Okutan Olga Icardi Sara Bove Marco Lovisolo Claudio Novello Vittorino Schubert Andrea |
author_sort | Ferrandino Alessandra |
collection | DOAJ |
description | The first serious outbreak of Flavescence dorée (FD) in Piedmont (North-West Italy) dates back to 1998 in the Tortona area (Alessandria province). FD is a serious quarantine-worthy disease transmitted by the leafhopper Scaphoideus titanus Ball. Different Vitis vinifera L. biotypes react differently to the phytoplasma, in particular as to the accumulation of polyphenols in leaves. In this experimentation, we observed and described concentration and accumulation of the main classes of polyphenols in entire leaves and in leaf blades and veins of two varieties, Nebbiolo and Barbera, displaying different levels of susceptibility to FD. Their well-known different reactions could be related, at least partially, to leaf polyphenols, both as to concentrations and profiles. Nebbiolo displayed some specific traits: i) the higher percentage of incidence over totals of individual molecules known to be powerful antioxidants (caftaric acid over coutaric acid; quercetin glycosides over other flavonols); ii) the higher concentration of flavanols in veins with respect to Barbera and their wider profile (astilbin and a taxifolin-glycoside, this last accumulating exclusively in Nebbiolo). |
first_indexed | 2024-12-21T15:04:02Z |
format | Article |
id | doaj.art-d484327ef7694f94983ea54e66105fc0 |
institution | Directory Open Access Journal |
issn | 2117-4458 |
language | English |
last_indexed | 2024-12-21T15:04:02Z |
publishDate | 2019-01-01 |
publisher | EDP Sciences |
record_format | Article |
series | BIO Web of Conferences |
spelling | doaj.art-d484327ef7694f94983ea54e66105fc02022-12-21T18:59:30ZengEDP SciencesBIO Web of Conferences2117-44582019-01-01130300310.1051/bioconf/20191303003bioconf_conavi2018_03003Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leavesFerrandino AlessandraPagliarani ChiaraKedrina-Okutan OlgaIcardi SaraBove MarcoLovisolo ClaudioNovello VittorinoSchubert AndreaThe first serious outbreak of Flavescence dorée (FD) in Piedmont (North-West Italy) dates back to 1998 in the Tortona area (Alessandria province). FD is a serious quarantine-worthy disease transmitted by the leafhopper Scaphoideus titanus Ball. Different Vitis vinifera L. biotypes react differently to the phytoplasma, in particular as to the accumulation of polyphenols in leaves. In this experimentation, we observed and described concentration and accumulation of the main classes of polyphenols in entire leaves and in leaf blades and veins of two varieties, Nebbiolo and Barbera, displaying different levels of susceptibility to FD. Their well-known different reactions could be related, at least partially, to leaf polyphenols, both as to concentrations and profiles. Nebbiolo displayed some specific traits: i) the higher percentage of incidence over totals of individual molecules known to be powerful antioxidants (caftaric acid over coutaric acid; quercetin glycosides over other flavonols); ii) the higher concentration of flavanols in veins with respect to Barbera and their wider profile (astilbin and a taxifolin-glycoside, this last accumulating exclusively in Nebbiolo).https://www.bio-conferences.org/articles/bioconf/full_html/2019/02/bioconf_conavi2018_03003/bioconf_conavi2018_03003.html |
spellingShingle | Ferrandino Alessandra Pagliarani Chiara Kedrina-Okutan Olga Icardi Sara Bove Marco Lovisolo Claudio Novello Vittorino Schubert Andrea Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves BIO Web of Conferences |
title | Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves |
title_full | Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves |
title_fullStr | Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves |
title_full_unstemmed | Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves |
title_short | Non-anthocyanin polyphenols in healthy and Flavescence dorée infected Barbera and Nebbiolo leaves |
title_sort | non anthocyanin polyphenols in healthy and flavescence doree infected barbera and nebbiolo leaves |
url | https://www.bio-conferences.org/articles/bioconf/full_html/2019/02/bioconf_conavi2018_03003/bioconf_conavi2018_03003.html |
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