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2012 Corn Inbred Lines Release CO449

Derivation: CO432×CO433
CO432=Fusarium Resistant Synthetic (Minn 13)
CO433=Pride K127 (Minn 13)

Inbred Characteristics
Characteristic Detail
Parent (seed or male) Both
Emergence 1a
Early seedling vigour 1a
Plant height 165-175 cm
Number of leaves 11-12
Leaf angle Horizontal
Ear height 55-60 cm
Days to mid pollen 75b
Days to mid silk 75b
Ear type Conical/Cylindrical
Ear length 14 cm
Ear diameter 4.5 cm
Cob colour (anthocyanin) White
Kernel rows 16
Kernel shape Wedge
Kernel type Dent
Kernel colour Yellow
Husk cover from ear tip 2-3 cm
a Scale: 1 = Excellent, 5 = Poor
b Days from planting
CO449 tassel CO449 silk CO449 cob
CO449 ear
Pest Resistance Ratings
Term Detail
Gibberella ear rot MR-R
Smut MR-R
Fusarium stalk rot I
Northern leaf blight S
Eyespot I
Rust I
Anthracnose stalk rot I
HR = Highly resistant
MR = Moderately resistant
I = Intermediate
S = Susceptible
Production Information
Term Detail
Seed parent yield 80-85 g
Silk emergence 1a
Tassel extension 1a
Pollen shed 2a
a Scale: 1 = Excellent, 5 = Poor

Corn yield data table for C0449

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

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