The four best-known genera are
Peronospora, Plasmopara, Pythium and Phytophthora.
The control of fungal diseases, mainly mildew (
Peronospora destructor) and Alternaria solani was carried out with six applications of fungicides, four of metalaxyl (40g [L.sup.-1]) + mancozeb (640g [L.sup.-1]) at 35, 50, 65 and 80 DAT and two of tebuconazole (200 mL [L.sup.-1]) + trifloxystrobin (100 mL [L.sup.-1]) at 80 and 94 DAT.
The most limiting bunching onion diseases in the Boyaca region are downy mildew (
Peronospora destructor) and the root rot (Burkholderia cepacia-Ditylenchus dipsaci complex).
Carbohydrate change in Tobacco systemically protected against blue mold by stem infection with
Peronospora tabacina.
(2010) for mildew of soybean (
Peronospora manshurica (Naum.
But fenugreek suffers from many fungal diseases viz., Cercospora leaf spot caused by Cercospora traversiana, root rot (Rhizoctonia solani), leaf spot (Ascochyta sp.), powdery mildew (Erysiphe polygoni), downy mildew (
Peronospora trigonellae) and Fusarium wilt (Fusarium oxysporum) (Prasad et al., 2014) (3).
La enfermedad que aparece en orden de importancia es la Plasmopara viticola, o mildiu, o
peronospora. (104) Se reporta la aparicion en Italia y en referencia a la sintomatologia se expresa que "la planta ech[o] algunos brotes, pero la enfermedad destruyo tambien mas tarde las uvas, que llegaron a secarse y aun a perder su color [...] la plaga se propago por sus esporos [...]" (RARU, 1882).
Soybean [Glycine max (L.) Merill)] can be attacked by several diseases, among which downy mildew caused by
Peronospora manshurica (Naumov) Syd.can cause 8 to 14% damage to U.S.
Historically, this Qomycete was originally described by Farlow in 1882 as
Peronospora halstedii, the name referring to Halsted, who first collected it on Eupatorium purpureum.
Peronospora - genus of destructive downy mildews