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2013 Corn Inbred Lines Release CO450

Derivation: Eyespot Resistant Synthetic (99ESR)

Inbred Characteristics
Characteristic Detail
Parent (seed or male) Both
Emergence 1a
Early seedling vigour 1a
Plant height 190 cm
Number of leaves 15-16
Leaf angle Semi-erect
Ear height 80-85 cm
Days to mid pollen 71b
Days to mid silk 70b
Ear type Cylindrical
Ear length 13-14 cm
Ear diameter 4 cm
Cob colour (anthocyanin) White
Kernel rows 14-16
Kernel shape Wedge
Kernel type Dent
Kernel colour Yellow
Husk cover from ear tip 2-3cm
a Scale: 1 = Excellent, 5 = Poor
b Days from planting
CO450 tassel CO450 silk CO450 cob
CO450 ear
Pest Resistance Ratings
Term Detail
Gibberella ear rot S
Smut I
Fusarium stalk rot I
Northern leaf blight S
Eyespot HR-MR
Rust MR
Anthracnose stalk rot I
HR = Highly resistant
MR = Moderately Resistant
I = Intermediate
S = Susceptible
Production Information
Term Detail
Seed parent yield 92 g
Silk emergence 1a
Tassel extension 1a
Pollen shed 1a
a Scale: 1 = Excellent, 5 = Poor

Corn yield data table for C0450

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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