This map shows the overall suitability of this crop in the state of Illinois.
Overall Suitability Map
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Brassica rapa subsp. rapa
Synonyms: B. campestris rapifera; B. rapa rapifera; B. rapa septiceps

Common Name(s): Turnip
Family: Brassicaceae
Growth Habit: Func. Annual/Biennial
Growing Days: 40 to 80 (days)
Abs.Max=86° (F)    Opt.Max=63° (F)
Opt.Min=50° (F)    Abs.Min=39° (F)
Precipitation: 35 to 55 (in.)
Winter Minimum: 25° (F)
Soil pH: 5.5 to 7
Soil Texture/Type: Highly fertile deep loams
Soil Drainage: Well
Photoperiod Response: Long day, short day and day neutral
Light Intensity: Clear
Cool climate crop, resistant to frost and mild freezes. No salt tolerance.
Pythium, Sclerotinia, Rhizoctonia, Cercospora, Powdery Mildew
Poison - mammals, Food - vegetable


Geographical Origin:
Widely cultivated
Metric Units

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Last Modified: October 17, 2012
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