Sclerophthora macrospora
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.
From the article Sclerophthora macrospora on Wikipedia (CC BY-SA), quoted section by section
Range & habitat
Sclerophthora macrospora has a wide host range, consisting of crops such as turf grass, maize, oats, rice, and wheat. The pathogen's lack of host specificity allows for widespread prevalence of the disease, and it affects a multitude of economically essential crops. Sclerophthora macrospora is the pathogen associated with downy mildew (or yellow tuft disease) on turf grass. The symptoms include proliferation of shoots and yellowing on cultivars of turf grass species. Additionally, Sclerophthora macrospora causes crazy top disease on maize. The symptoms of crazy top include phyllody and rapid increase in growth of tassels.
Wikipedia: “Host range”
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
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In the stacks
Searching the stacks…
Every page naming Sclerophthora macrospora in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 384227.