Powdery Mildew - Houseplants Disease and Control

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Houseplant Disease, Powdery Mildew disease

Powdery Mildew Disease

Powdery Mildew is a fungal disease characterized by spotting or coating of the leaf surface with a white powdery deposit. This leads to disfigured leaves and it can spread to the stems and flowers of your houseplant. It is prevalent in warm humid conditions. The disease is not as fatal as botrytis.

  • Improving the air circulation reduces the occurrence of Powdery Mildew.
  • Remove the badly affected leaves and spray the plant with a systemic fungicide.
  • Alternatively, lightly dust the leaves with sulphur.

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