Winegrape cultivars (Vitis vinifera) vary in susceptibility to the grapevine trunk pathogens Eutypa lata and Diplodia seriata

Winegrape cultivars (Vitis vinifera) vary in susceptibility to the grapevine trunk pathogens Eutypa lata and Diplodia seriata

Background and Aims Eutypa and Botryosphaeria dieback are diseases that affect vineyards worldwide, reducing productivity and longevity. The ability of the causal pathogens Eutypa lata and Diplodia seriata to colonise grapevine canes was investigated in the search for resistance or tolerance to trun...

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Veröffentlicht in:Australian journal of grape and wine research 2022-01, Vol.28 (1), p.166-174
Hauptverfasser: Sosnowski, M.R., Ayres, M.R., McCarthy, M.G., Scott, E.S.
Format: Artikel
Sprache:eng
Schlagworte:
Botryosphaeria
Botryosphaeria dieback
Colonization
Cultivars
Dieback
Diplodia seriata
Diseases
Eutypa dieback
Eutypa lata
Germplasm
grapevine trunk disease
Grapevines
Inoculation
Pathogens
Plant breeding
resistance
Signs and symptoms
tolerance
Vineyards
Vitis vinifera
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Beschreibung
Zusammenfassung:Background and Aims Eutypa and Botryosphaeria dieback are diseases that affect vineyards worldwide, reducing productivity and longevity. The ability of the causal pathogens Eutypa lata and Diplodia seriata to colonise grapevine canes was investigated in the search for resistance or tolerance to trunk diseases. Methods and Results Visual assessments of 174 winegrape cultivars (Vitis vinifera) in a mature germplasm collection in the Barossa Valley in South Australia revealed substantial variation (0–98%) in severity of foliar symptoms and dieback. A selection of 18 cultivars representing those without symptoms or low (
ISSN:1322-7130
1755-0238
DOI:10.1111/ajgw.12531