Diseases
Vitis L.
A fungal disease of grapevines caused by Erysiphe necator. It manifests as a grayish-white coating on all green parts of the plant, causing shoot deformation, leaf necrosis, and berry cracking.
In the reference 110 varieties crop Grapevine, where this is mentioned in the description.
The causative agent of the disease is the fungus Erysiphe necator, which has an ascomycetous stage of development and a conidial stage known as Oidium tuckeri. The pathogen infects leaves, shoots, inflorescences, and berries, forming a characteristic powdery coating composed of mycelium and conidia.
A typical symptom of early infection is the development of 'flag shoots' from infected buds: they exhibit stunted growth, with leaves being deformed, curled, and covered in the coating. Noticeable brown necrotic spots form on the shoots, and affected berries lose the elasticity of their skin, crack, and often expose the seeds.
General information about the subject — on the page Powdery mildew.
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 L. · Grapevine
Vitis L. · Grapevine
Vitis L. · Grapevine
Vitis L. · Grapevine
Vitis L. · Grapevine
GUIDO CIPRIANI/GABRIELE DI GASPERO/MICHELE MORGANTE/ENRICO PETERLUNGER/RAFFAELE TESTOLIN/ SIMONE DIEGO CASTELLARIN
Vitis L. · Grapevine
Ing. Josef Veverka (CZ)
Vitis L. · Grapevine
GUIDO CIPRIANI / ENRICO PETERLUNGER / GABRIELE DI GASPERO / MICHELE MORGANTE / SIMONE DIEGO CASTELLARIN / RAFFAELE TESTOLIN
Vitis L. · Grapevine
GUIDO CIPRIANI/GABRIELE DI GASPERO/MICHELE MORGANTE/ENRICO PETERLUNGER/RAFFAELE TESTOLIN/ SIMONE DIEGO CASTELLARIN
Vitis L. · Grapevine
GUIDO CIPRIANI / ENRICO PETERLUNGER / GABRIELE DI GASPERO / MICHELE MORGANTE / SIMONE DIEGO CASTELLARIN / RAFFAELE TESTOLIN
Vitis L. · Grapevine
Doc. Ing. Miloš Michlovský, CSc. (CZ)
Vitis L. · Grapevine
Juan Carreño Manuel Tornel
Vitis L. · Grapevine
Institut National de Recherche pour l'Agriculture l'Alimentation et l'Environnement (INRAE)
Vitis L. · Grapevine
INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, FR
Vitis L. · Grapevine
REINHARD ToPFER / RUDOLF EIBACH
Vitis L. · Grapevine
Valentin Blattner
Vitis L. · Grapevine
GUIDO CIPRIANI / ENRICO PETERLUNGER / GABRIELE DI GASPERO / MICHELE MORGANTE / SIMONE DIEGO CASTELLARIN / RAFFAELE TESTOLIN
Vitis L. · Grapevine
Vitis L. · Grapevine
JKI - Julius Kuhn Institut (DE)/Institut National de la Recherche Agronomique (FR)
Vitis L. · Grapevine
Stefano Somma
Vitis L. · Grapevine
INCONNU (FR)
Vitis L. · Grapevine
INCONNU (FR)
Vitis L. · Grapevine
INCONNU (FR)
Vitis L. · Grapevine
Lubomír Glos (CZ)
Vitis L. · Grapevine
Doc. Ing. Miloš Michlovský, CSc. (CZ)