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