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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Vegetable > Carrot > Distorted leaves

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Carrot > Leaves > Distorted leaves

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  • Image: Aster Yellows 1
  • Image: Aster Yellows 2
  • Image: Aster Yellows 3

Aster yellows
Aster Yellows Phytoplasma

  • Leaves may become twisted
  • Older leaves first yellow, then turn a reddish-purple
  • New leaves are small, weak, pale and clustered in a short bunchy top
  • Numerous hairy secondary roots develop in lines along the root
  • Carrot has a bitter taste and may be off color
  • Infected plants are scattered randomly through the field, and may flower in year one
  • More information on Aster Yellows...
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  • Image: Bacterial Leaf Bight 1
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Bacterial leaf blight
Xanthomonas campestris pv. Carotae

  • Young leaves can become distorted
  • Leaf spots start small, circular, light brown to tan
  • Eventually spots become elongate; dark brown with yellow edges
  • Infection progresses down the leaf
  • Severely infected leaves, yellow, wilt and die
  • Lower leaf surface is very shiny, and may be sticky in wet weather
  • Roots are not directly infected, but may be small due to severe leaf damage
  • More information on Bacterial Leaf Bight...

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