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2019 Corn Inbred Lines Release CO475

Derivation: CO442 × CO441
Iodent/Lancaster

Inbred Characteristics
Characteristic Detail
Parent (female or male) Both
Emergence 1a
Early seedling vigour 2a
Plant height 180 cm
Number of leaves 18
Leaf angle Horizontal
Ear height 70 cm
Days to mid pollen 74b
Days to mid silk 76b
Ear type Cylindrical
Ear length 15-16 cm
Ear diameter 4-4.5 cm
Cob colour (anthocyanin) Red
Kernel rows 14-16
Kernel shape Wedge
Kernel type Semi-dent
Kernel colour Yellow
Husk cover from ear tip 6-7 cm
a Scale: 1 = Excellent, 5 = Poor
b Days from planting
Pest Resistance Ratings
Term Detail
Gibberella ear rot MR
Smut I
Fusarium stalk rot I
Northern leaf blight I
Eyespot I
Rust I
Goss's wilt I
MR = Moderately Resistant
I = Intermediate
Production Information
Term Detail
Seed parent yield 90 g
Silk emergence 1a
Tassel extension 2a
Pollen shed 1a
Scale: 1 = Excellent, 5 = Poor

Corn yield data table for C0475

Year City CHU FAO GDD Hybrid Moisture % Bu/Ac Yield/Moisture
  • AB: Alberta
  • MB: Manitoba
  • ON: Ontario
  • QC: Quebec
  • -- : no data
  • Bu/Ac: Bushels per acre
  • CHU: Corn heat units
  • CV: Coefficient of variation
  • FAO: Food and Agriculture Organization
  • GDD: Growing degree days
  • REPS: Replicates

Further technical information

Dr. Lana Reid
Corn Breeding and Pathology
Ottawa Research and Development Centre
Central Experimental Farm
Ottawa, Ontario, K1A OC6

Phone: (613) 759-1619
Fax: (613) 952-9295
E-Mail: Lana.Reid@canada.ca

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