Medicago sativa
FF 4022.LH
Fall Dormancy: 4.0
Winter Survival: 2.0
Disease Rating Index: TBD
StandFast FastGrowth Rating: TBD
FF 4022.LH Alfalfa is a high-yielding, leafhopper-resistant variety. It is a strong choice for areas prone to pest pressure. Medium-high persistence ensures strong performance throughout its life cycle, while its drought tolerance and winter hardiness support productivity even in less-than-ideal growing conditions.
Key features
- Highly resistant to Potato Leafhopper
- Excellent disease resistance
- Excellent forage yield
- Good forage quality
- Very good winterhardiness
General Characteristics
Segment
Forage
Species
Alfalfa
Sci. Name
Medicago sativa
Plant Characteristics
Days to Flowering
38
Stem Thickness
Medium
Early Spring Growth (CM)
32
Average Multifoliate Expression
1.7
Multifoliate (MF) Leaf Expression Frequency
Medium (21-40%)
Cutting System
3-5
Emergence (Days)
7
Growth Habit, Spring
Erect
Plant Height, Spring (CM)
115
Fall Regrowth (CM)
28
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)
8-10
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
Resistant
Blue Alfalfa Aphid
Not Tested
Cowpea Aphid
Not Tested
Spotted Alfalfa Aphid
Not Tested
Potato Leafhopper
Highly Resistant
Stem Nematode
Resistant
Northern Root Knot Nematode
Not Tested
| % 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 |