Medicago sativa

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.
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 |