Surface wax in the ancestral grapevine Vitis sylvestris correlate with partial resistance to Powdery Mildew.
Appressoria
Epicuticular wax
Erysiphe necator
Grapevine genetic resources
Powdery Mildew
Vitis sylvestris
Journal
BMC plant biology
ISSN: 1471-2229
Titre abrégé: BMC Plant Biol
Pays: England
ID NLM: 100967807
Informations de publication
Date de publication:
07 Jun 2023
07 Jun 2023
Historique:
received:
21
02
2023
accepted:
23
05
2023
medline:
9
6
2023
pubmed:
8
6
2023
entrez:
7
6
2023
Statut:
epublish
Résumé
Powdery Mildew of Grapevine belongs to the major diseases in viticulture and requires intensive use of fungicides. Genetic introgression of resistance factors from wild grapes from North America and, recently, China, has been successful, but wine made from those varieties is still confronted with low consumer acceptance, due to differences in taste. The current work explores the potential of Vitis vinifera sylvestris, the wild ancestor of domesticated Grapevine, with respect to containing Erysiphe necator, the causative agent of Powdery Mildew. Making use of a germplasm collection comprising the entire genetic variability remaining in Germany, we show that there is considerable genetic variation in the formation of leaf surface waxes exceeding wax formation in commercial varieties. High wax formation correlates with reduced susceptibility to controlled infection with E. necator linked with perturbations of appressoria formation. We propose V. vinifera sylvestris as novel source for resistance breeding since it is genetically much closer to domesticated grapevine than the hitherto used sources from beyond the species barrier.
Sections du résumé
BACKGROUND
BACKGROUND
Powdery Mildew of Grapevine belongs to the major diseases in viticulture and requires intensive use of fungicides. Genetic introgression of resistance factors from wild grapes from North America and, recently, China, has been successful, but wine made from those varieties is still confronted with low consumer acceptance, due to differences in taste.
RESULTS
RESULTS
The current work explores the potential of Vitis vinifera sylvestris, the wild ancestor of domesticated Grapevine, with respect to containing Erysiphe necator, the causative agent of Powdery Mildew. Making use of a germplasm collection comprising the entire genetic variability remaining in Germany, we show that there is considerable genetic variation in the formation of leaf surface waxes exceeding wax formation in commercial varieties.
CONCLUSIONS
CONCLUSIONS
High wax formation correlates with reduced susceptibility to controlled infection with E. necator linked with perturbations of appressoria formation. We propose V. vinifera sylvestris as novel source for resistance breeding since it is genetically much closer to domesticated grapevine than the hitherto used sources from beyond the species barrier.
Identifiants
pubmed: 37286974
doi: 10.1186/s12870-023-04311-x
pii: 10.1186/s12870-023-04311-x
pmc: PMC10245546
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
304Informations de copyright
© 2023. The Author(s).
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