This map shows the overall suitability of this crop in the state of Illinois.
Overall Suitability Map
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Triticum aestivum subsp. aestivum
Synonyms: T. sativum; T. vulgare

Common Name(s): Hard white winter wheat
Family: Poaceae
Growth Habit: Winter Annual
Growing Days: 220 to 290 (days)
Abs.Max=81° (F)    Opt.Max=73° (F)
Opt.Min=59° (F)    Abs.Min=41° (F)
Precipitation: 15 to 30 (in.)
Winter Minimum: -24° (F)
Soil pH: 5.5 to 8
Soil Texture/Type: Silt and clay loams
Soil Drainage: Well
Photoperiod Response: Long day and day neutral
Light Intensity: Very bright
Adapted to Great Plains in US. Disease in hard winter wheats limits use to 30" rainfall line and west. Grain may sprout in head pre-harvest in humid conditions. Hard types need abundant nitrogen, high temperatures early, low rainfall, and short ripening period.
Pythium, Phytothora, Rhizoctonia, Cercospora, Helminthosporium/Bipolaris, Powdery Mildew, Rust, Anthrachose
Food - cereal, Animal Food - fodder, Material - fiber, Material - alcohol, Food - starch, Food - bev base, Poison -


Geographical Origin:
Widely cultivated
Metric Units

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Last Modified: October 17, 2012
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