Cucurbit downy mildew
Fungus
Identification key : 
Downy mildew and late blight (oomycetes) (Damage and symptoms on the host)
Scientific name : Pseudoperonospora cubensis
Other names : Downy mildew of cucurbits
Oomycete that attacks only the leaves of cucumber, melon, watermelon, squash and zucchini. It forms angular yellow patches bounded by the veins and a grey to purplish mould underneath; the leaf dries out quickly. It is carried long distances by wind and needs wet leaves to infect.
Crops affected : Cucumber, Melon, Squash / Pumpkin, Watermelon, Zucchini
Source : Pseudoperonospora cubensis (PSPECU)[Overview] — EPPO Global Database — EPPO
This page lists the bio-preparations in the collection that other references associate with this opportunist: Cucurbit downy mildew.
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.
Zucchini Squash / Pumpkin Melon Cucumber Watermelon
Cucumber mosaic virus Melon fly Papaya ringspot virus Tomato spotted wilt virus Powdery mildew Root-knot nematodes Sclerotinia rot Cotton bollworm (Helicoverpa) Pink hibiscus mealybug Whitefly Fusarium wilt Spider mite