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Diseases

Grape Powdery Mildew

Vitis vinifera L.

An obligate disease of grapevines caused by the fungus Erysiphe necator. The pathogen affects all green parts of the plant, causing the appearance of a powdery coating, organ deformation, and berry cracking.

In the reference 59 varieties crop Common grape vine, where this is mentioned in the description.

The causal agent of grape powdery mildew (oidium) is the ascomycete fungus Erysiphe necator. The infection affects leaves, shoots, inflorescences, and berries throughout the growing season. A characteristic sign is a whitish-gray powdery coating; brown or black spots may form on the shoots, as well as "flag shoots" developing from infected buds.

Leaf infection leads to curling and necrosis, while infection of inflorescences and berries causes them to drop, dry out, or crack. Affected shoots show reduced maturation capacity and frost resistance. Currently, cultivar resistance in agronomic practice is classified as relative, without differentiation by specific resistance genes.

General information about the subject — on the page Powdery mildew.

Sources8

Varieties of Common grape vine mentioned in the description

Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Etiud

Active

Vitis vinifera L. · Common grape vine

Stasieva Mariia Ivanivna, Yarmak IEvheniia Dmytrivna, Storozhuk Kateryna Moisiivna, Bankovska Mariia Hryhorivna, Tulaieva Maiia Ivanivna, Meleshko Larysa Fedorivna, Dokuchaieva IEvheniia Mykolaivna,

UA
2 records

Tressot

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Vitis vinifera L. · Common grape vine

Valentin Blattner-Haefeli und Frau Silvia

DE
2 records

Vitis vinifera L. · Common grape vine

Jean Luc Viaud (FR)

FR
2 records

Vitis vinifera L. · Common grape vine

Maliukina Nina Anatoliivna, Mazurenko Liudmyla Stepanivna, Kovalova Iryna Anatoliivna, Chysnikov Vitalii Stepanovych, Tulaieva Maiia Ivanivna,

UA
4 records

Fer

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

DE
2 records

LILIT

Withdrawn

Vitis vinifera L. · Common grape vine

AGRICULTURAL RESEARCH ORG

ES
1 record

Allegro

Active

Vitis vinifera L. · Common grape vine

Hochschule Geisenheim University Institut für Pflanzenzüchtung Herrn Prof. Dr. Ernst Rühl

DE
2 records

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

DE
2 records

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

DE
2 records

Vitis vinifera L. · Common grape vine

Mincho Kondarev, Dimitar Prodanski, Ivanka Boneva, Stoyan Kukunov, Penka Georgieva, Stoyanka Krastanova

BG
1 record

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Vitis vinifera L. · Common grape vine

Dr. Norbert Becker im Staatl. Weinbauinstitut

DE
2 records

Vitis vinifera L. · Common grape vine

Gunvaldis Ilgvars Vesmins

LV
2 records

Vitis vinifera L. · Common grape vine

Kostiuk Oleksii Nikiforovych, Dokuchaieva IEvheniia Mykolaivna, Tsebrii Mykhailo Petrovych, Aivazian Petros Karapetovych,

UA
1 record

Claverie

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Vitis vinifera L. · Common grape vine

Hochschule Geisenheim Institut fuer Rebenzuechtung

DE
2 records

Vitis vinifera L. · Common grape vine

ARDVCG - MAIRIE DES TARTARAS (FR)

FR
1 record

Bacchus

Active

Vitis vinifera L. · Common grape vine

AKTIONSGEMEINSCHAFT| Aktionsgemeinschaft zur Erhaltung von Rebsorten e.V. im DLR Rheinhessen-Nahe-Hunsrueck

DE
2 records

Tangra

Active

Vitis vinifera L. · Common grape vine

Ivan Todorov, Galina Dyakova

BG
2 records

Savvatiano

Application submitted

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

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