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Citrus conditions causing symptoms similar to huanglongbing

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Huanglongbing, also known as ‘citrus greening’, is a lethal bacterial disease of citrus. There are other diseases of citrus that can cause similar symptoms to HLB.

On citrus, huanglongbing can cause a range of symptoms, including:

  • uneven blotchy mottling and discolouration of leaves
  • shoot yellowing
  • leaf drop
  • branch dieback
  • small, lopsided and bitter-tasting fruit
  • fruit drop.

More detailed information to assist in the recognition of huanglongbing-infected citrus trees can be found in the Huanglongbing in citrus fact sheet.

Author(s): Biosecurity Queensland

Published: 1 September, 2011

Date added: 14 March, 2024