Crazy top downy mildew

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DFID Plant Sciences Research Programme (
Is this a Minor Pest?
Minor Pest Title

Crazy top downy mildew (Sclerospora graminicola)

Minor Pest Description

Symptoms often vary as a result of systemic infection. Leaf symptoms begin as chlorosis at the base and successively higher leaves show progressively greater chlorosis. On the lower leaf surface of infected leaves greyish white fungal growth may be observed. Severely infected plants are generally stunted and do not produce panicles. Green ear symptoms result from transformation of floral parts into leafy structures. The disease is prevalent during rainy seasons.


Minor Pest What to do.
  • Plant resistant varieties, if available
  • Remove diseased plants from the field
  • Rotate with pulses
Minor Pest Position
Minor Pest Firstcontent
Pest Type
Host Plants