Parsnip
Symptom Cause  
Leaves wrinkled or curled; discolored, stunted, tend to fall off
Aphids
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Dark brown, sunken pits on roots
Canker (fungus)
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Leaves chewed
Celery Worm
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Plant wilts hot days, recovers at night; outer leaves yellow, die
Club Root
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Roots have tunnels
Larvae of Carrot Rust Flies
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Leaves blotched with white trails
Parsnip Leafminer
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Blossom heads webbed, burrows in stem
Parsnip Webworm
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