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Horticultural crops :: Flowers :: Chrysanthemum

Powdery Mildew: Oidium chrysanthemi

Symptoms

  • Infection is more severe in older plants under humid conditions.
  • The growth of the fungus on the leaves appears as powdery coating. Infected leaves turn yellow and dry out.
  • Infected plants remains stunted and fail to flower.

Management

  • Good ventilation and proper spacing for free circulation of air is recommended.

Image Source:

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Powdery mildew

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