Black rot of grapevine
Fungus
Identification key : 
Leaf spots and scabs (fungi) (Damage and symptoms on the host) 
Rots with mould (fungi and oomycetes) (Damage and symptoms on the host)
Scientific name : Guignardia bidwellii (also Phyllosticta ampelicida)
Other names : Grape black rot
Disease caused by a fungus of North American origin (also known as Guignardia bidwellii) that attacks all green parts of the grapevine. Leaves show reddish-brown spots with a dark margin dotted with tiny black points, and berries shrivel into hard black mummies. It is favoured by warm, rainy periods in spring and early summer.
Crops affected : Grapevine (36 varieties)
Source : Phyllosticta ampelicida (GUIGBI)[Overview] — EPPO Global Database — EPPO Global Database
This page lists the bio-preparations in the collection that other references associate with this opportunist: Black rot of grapevine.
Warning: the associations between recipes and opportunists come from other references (traditional practices, publications, user feedback). They are neither a recommendation nor a claim of effectiveness. There is no certainty regarding the preparation, application and use of these bio-preparations. See the regulations
No published recipe is associated with this opportunist yet.
Airén Albariño (Alvarinho) Barbera Bobal Cabernet Franc Cabernet Sauvignon Chardonnay Chenin Blanc Clinton Grenache (Garnacha) Gewürztraminer Godello Herbemont Isabella Jacquez Malbec Mencía Merlot Mourvèdre (Monastrell) Muscat Nebbiolo Noah Othello Palomino
False codling moth Redbanded thrips Chilli thrips Brown marmorated stink bug Pink hibiscus mealybug Grape phylloxera Stolbur (bois noir) Xylella fastidiosa Esca of grapevine Vine mealybug Aster yellows European grapevine moth