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Medicago sativa

FF 54B66

FF 54B66

Fall Dormancy: 4
Winter Hardiness: 2
Disease Rating Index: 32/35
StandFast FastGrowth Rating: TBD

FF 54B66 Brand is a premium alfalfa blend featuring winter-hardy genetics that thrive across a wide range of growing environments. Designed for successful establishment, FF 54B66 is a trusted choice for growers seeking high-quality, disease-resistant alfalfa with excellent yield potential in a variety of environments.

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Forage First® by DLF

Forage First® by DLF delivers top-tier forage grasses and legumes with superior yield, persistence, disease resistance, and grazing tolerance.
The Forage First® 5 Series by DLF

The Forage First® 5 Series by DLF features high-quality alfalfa varieties, continuing the legacy of previous seed suppliers. With proven genetics and exceptional yield, quality, and digestibility, it supports dairy and livestock production, backed by expert support and innovative research.

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Key features

  • Premium blend of alfalfa genetics
  • Adaptable to many growing environments
  • Good disease resistance
  • Good forage yield
  • Very good winterhardiness

Segment Forage
Bacterial Wilt Highly Resistant
Species Alfalfa
Fusarium Wilt Resistant
Sci. Name Medicago sativa
Verticillium Wilt Resistant
Cutting System 3-5
Anthracnose (Race 1) Resistant
Emergence (Days) 7
Anthracnose (Race 5) Not Tested
Root Type Tap
Aphanomyces Root Rot (Race 1) Resistant
Aphanomyces Root Rot (Race 2) Moderately Resistant
Aphanomyces Root Rot (Enhanced) Not Tested
Growth Habit, Spring Semi-Erect
Blue Alfalfa Aphid Not Tested
Cowpea Aphid Not Tested
Stem Thickness Medium
Pea Aphid Resistant
Multifoliate (MF) Leaf Expression Frequency N/A
Spotted Alfalfa Aphid Not Tested
Stem Nematode Not Tested
Potato Leafhopper Not Tested
Approx. Seeds/Kg. 500000
Northern Root Knot Nematode Not Tested
Approx. Seeds/Lb. 227,000
Phytopthora Root Rot Highly Resistant
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

 

% 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