UWRF University of Wisconsin-River Falls Upper Midwest Forages
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Ryegrass Annual

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Scientific name:Lolium multiflorum Lam.
Cultivars:
  • Late maturing: use this type for upper midwest

    Tetraploid types are more palatable and tend to be more winter hardy
  • Origin:Europe, southern
    Growth Habit:bunchgrass; 2-4 ft tall;
    Life Cycle:Annual (cool season)
     
    Use
     
    Production:Excellent spring, summer or fall productivity
    Nutritive Value:
  • Highest digestible fiber; quality drops quickly after flowering
  • Herbaria Image:Click this link
     
    Identification
     
    Seed Head:Slender spike
    Seed:1/4 inch long; rachilla attached;
    usually has short awns
    Shoot:Multiple leaves early
    Leaf:Glossy underside leaf
    Auricles:Present
    Ligule:Membranous; medium height
     
    Adaptation
     
    Soil:Clay loam; sandy-loam
    pH:5.5-7.5
    Moisture:Requires moisture; 35 inches in growing period. No
    Temperature:40°F (for germination)
    Other:
     
    Establishment - Management
     
    Seeding rate:20-25 lb/acre; for seed mixtures: 2 lb/acre
    Seed cost:$0.9 to 1.8/lb; ~$20 to 45/acre; ~$2 to 4/acre (mixes)
    Planting date:Early spring
    Planting depth:Less than 1/4 inch
    Frost seeding:March into closely grazed pasture in previous Fall
    Fertilization:60 Lb N/acre, P and K (as needed per soil test) all applied at planting
    Grazing:
  • 6 to 8 inches of growth before grazing.
  • Stubble height: 3 to 4 inches
  • Hay:
  • Dries slowly
  •  
    Notes
  • Rapid germination 7 to 10 days.