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

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Carrot > Root > Hairy root

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

Aster yellows
Aster Yellows Phytoplasma

  • Numerous hairy secondary roots develop in lines along the root
  • Older leaves first yellow, then turn a reddish-purple
  • Leaves may become twisted
  • New leaves are small, weak, pale and clustered in a short bunchy top
  • 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: Northern Root Knot Nematode 1

Northern root knot nematode
Meloidogyne hapla

  • Many fibrous roots may be present
  • Tap root is stunted, deformed, or forked
  • Many small round to irregular lumps and swellings can be found on both the tap root and fibrous roots
  • In severely infected plants, carrot tops may be stunted, yellow, and wilt during the day
  • More information on Northern Root Knot Nematode

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