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Diseases

Downy Mildew of Grapevine

Vitis vinifera L.

A fungal disease of grapevines caused by the oomycete Plasmopara viticola, affecting all green parts of the plant. It is characterized by the appearance of "oil" spots on leaves and a white sporulation bloom under high humidity conditions.

In the reference 33 varieties crop Common grape vine, where this is mentioned in the description.

The causal agent of the disease is the obligate parasite Plasmopara viticola. The pathogen infects the non-lignified parts of the vine, including leaves, shoots, inflorescences, and berries. On young leaves, the disease manifests as "oil" spots with a greasy sheen, while on older leaves, they acquire an angular shape. Under high humidity, a whitish-gray sporulation bloom develops on the underside of the leaf, after which the affected tissues undergo necrosis.

Infection of inflorescences and young berries is accompanied by the appearance of a gray bloom and subsequent rotting. On mature berries, the disease manifests as "brown rot," in which the fruits wither, darken, and mummify. Since most Vitis vinifera cultivars are susceptible to the pathogen, breeding is conducted using Rpv resistance genes borrowed from wild species, such as Rpv3, Rpv10, and Rpv12.

General information about the subject — on the page Downy 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.

Canner Seedless

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Petit Béclan

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Bia Blanc B

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Petit Béclan

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Béquignol

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Gouais

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Kobzar

Active

Vitis vinifera L. · Common grape vine

Shein Tamara Volodymyrivna, Dylyk Antonina Petrivna, Storozhuk Kateryna Moisiivna, Tarakhtii Liudmyla Ivanivna, Chebanenko IEvheniia Pavlivna, Meleshko Larysa Fedorivna, Dokuchaieva IEvheniia Mykolaivna,

UA
2 records

Gouais blanc

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Petit Cabernet

Active

Vitis vinifera L. · Common grape vine

Simone Diego Castellarin^^^Guido Cipriani^^^Michele Morgante^^^Enrico Peterlunger^^^Raffaele Testolin^^^Gabriele Di Gaspero

1 record

Fer Servadou

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Ortega

Active

Vitis vinifera L. · Common grape vine

LAND BAYERN WUERZBURG| Land Bayern, vertreten durch Bayerische Landesanstalt fuer Weinbau und Gartenbau - Abt. Weinbau und Oenologie -

DE
2 records

Pécoui touar

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Pamina

Active

Vitis vinifera L. · Common grape vine

Prof. Dr. H. Becker

DE
2 records

Beaugaray N

Active

Vitis vinifera L. · Common grape vine

Institut National de la Recherche Agronomique (FR)/Sicarex Beaujolais (FR)

FR
1 record

Birstaler Muskat

Active

Vitis vinifera L. · Common grape vine

Valentin Blattner-Haefeli und Frau Silvia

DE
1 record

Mollard

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

HEBÉN

Active

Vitis vinifera L. · Common grape vine

IMIDRA - CCAA MADRID

ES
1 record

Felicia

Active

Vitis vinifera L. · Common grape vine

Dr. Rudolf Eibach / Prof. Dr. Reinhard Töpfer

DE
2 records

Italia Rubi

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Trousseau

Active

Vitis vinifera L. · Common grape vine

INCONNU (FR)

FR
1 record

Sirano

Active

Vitis vinifera L. · Common grape vine

Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)

1 record

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