Sclerophthora macrospora

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Sclerophthora macrospora
Scientific classification
Kingdom: Chromalveolata
Phylum: Heterokontophyta
Class: Oomycetes
Subclass: Peronosporomycetidae
Order: Peronosporales
Family: Peronosporaceae
Genus: Sclerophthora
Species: S. macrospora
Binomial name
Sclerophthora macrospora
(Sacc.) Thirum., (1953)

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

Sclerophthora macrospora is a species of water mold. It is an important plant pathogen that infects more than 140 kinds of cereals including rice, corn, and wheat. The disease is more commonly known as the crazy top disease because its most striking symptom is phyllody of the ears and tassels.[1][2]


  1. ^ "Diseases of Corn". National Agriculture and Food Research Organization (NARO), Japan. Retrieved 10 November 2012. 
  2. ^ Sherf, A.F.; MacNab, A.A. (1986). Vegetable Diseases and Their Control. John Wiley & Sons. p. 241. ISBN 9788188237692. 

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