Medicago sativa

Magnum 8

Magnum 8

Fall Dormancy: 4.0
Winter Survival: 2.2

Disease Rating Index: 34/35
StandFast FastGrowth Rating: 1.72

Magnum 8 Alfalfa stands out in the alfalfa market as the highest yielding non-hybrid variety in the Magnum lineup. It thrives across a wide range of environmental conditions. The highly digestible forage results in superior Relative Forage Quality (RFQ) scores, making it an excellent nutritional choice for livestock. This variety has been developed to maintain high performance levels, ensuring that growers can rely on it for stable production year after year.

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Key features

  • High yield potential
  • High forage quality
  • Dense canopy of dark green leaves
  • Average recovery rate after harvest
  • Excellent choice for 3-5 cut management systems

General Characteristics
Segment Forage
Species Alfalfa
Sci. Name Medicago sativa
Plant Characteristics
Stem Thickness Medium
Cutting System 3-5
Emergence (Days) 7
Growth Habit, Spring Semi-Erect
Root Characteristics
Root Type Tap
Seeding Information
Approx. Seeds/Lb. 227000
Approx. Seeds/Kg. 500000
Seeding Rate - Alone/New (Kg./Hectare) 17-23
Seeding Rate - Alone/New (Lbs./Acre) 15-20
Seeding Rate - Mixes (Kg./Hectare) 7-15
Seeding Rate - Mixes (Lbs./Acre) 6-12
Pest and Disease Resistance
Bacterial Wilt Highly Resistant
Fusarium Wilt Highly Resistant
Verticillium Wilt Highly Resistant
Anthracnose (Race 1) Highly Resistant
Anthracnose (Race 5) Not Tested
Phytopthora Root Rot Highly Resistant
Aphanomyces Root Rot (Race 1) Highly Resistant
Aphanomyces Root Rot (Race 2) Resistant
Aphanomyces Root Rot (Enhanced) Not Tested
Pea Aphid Moderately Resistant
Blue Alfalfa Aphid Resistant
Cowpea Aphid Low Resistant
Spotted Alfalfa Aphid Resistant
Stem Nematode Resistant
Northern Root Knot Nematode Resistant

 

% Resistant Plants Resistance Class Class Abbreviation
> 50 % High Resistance HR
31 – 50 % Resistant R
15 – 30 % Moderate Resistance MR
6 – 14 % Low Resistance LR
< 5 % Susceptible S

 


StandFast FastGrowth ratings are calculated from weekly measurements of varieties grown side‑by‑side from green‑up to harvest through the growing season. Expressed as average centimeters of growth per day.

Average cm / day Growth Rating
> 2.20 Very Fast
> 2.00 Fast
> 1.80 Average
> 1.60 Slow
< 1.60 Very Slow