Sclerophthora macrospora

Sclerophthora macrospora
Scientific classification
Domain: Eukaryota
Clade: Diaphoretickes
Clade: Sar
Clade: Stramenopiles
Class: Oomycetes
Order: Peronosporales
Family: Peronosporaceae
Genus: Sclerophthora
Species:
S. macrospora
Binomial name
Sclerophthora macrospora
(Sacc.) Thirum., (1953)
Synonyms

Nozemia macrospora
Phytophthora macrospora
Phytophthora oryzae
Sclerospora kriegeriana
Sclerospora macrospora
Sclerospora oryzae

Sclerophthora macrospora is a protist plant pathogen of the class Oomycota. It causes downy mildew on a vast number of cereal crops including oats, rice, maize, and wheat as well as varieties of turf grass. The common names of the diseases associated with Sclerophthora macrospora include "crazy top disease" on maize and yellow tuft disease on turf grass. The disease is present all over the world, but it is especially persistent in Europe.