Black sooty mould on Sprouts

brussels-sprouts

• The black sooty mould can be sticky and is the result of a whitefly attack.
• Cabbage whitefly overwinters on brussel sprouts as adult insects.
  
• Adult whitefly and their nymphs suck sap from the sprout plant and excrete a sugary substance (honeydew) onto the leaves.
  
• Sooty moulds then grow on this sugary substance – and can make a real mess of the sprout buttons.
  
• The warmer the weather the worse the problem is.

Click the link for more information on Cabbage whitefly which is the cause of black sooty moulds on brussel sprouts.

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