
Medicago sativa

AFX 589
Fall Dormancy: 5.0
Winter Survival: 1.5
Disease Rating Index: 34/35
StandFast FastGrowth Rating: 2.19
AFX 589 Hi-Ton Alfalfa is tailored for growers who prioritize aggressive management and harvesting strategies to maximize both seasonal dry matter yield and forage quality. Ideal for production areas using fall dormancy 4 and 5 alfalfas, AFX 589 excels in environments where four or more cuttings are anticipated each season.
Key features
- Hi-Ton
- Excellent yield potential
- Very fast green-up after harvest
- Performs well under dryland or irrigated conditions
- Suitable where 4 or more cuts are desired
Segment
Forage
Bacterial Wilt
Highly Resistant
Species
Alfalfa
Fusarium Wilt
Highly Resistant
Sci. Name
Medicago sativa
Verticillium Wilt
Highly Resistant
Cutting System
4-6
Anthracnose (Race 1)
Highly Resistant
Emergence (Days)
7
Anthracnose (Race 5)
Not Tested
Root Type
Tap
Aphanomyces Root Rot (Race 1)
Highly Resistant
Aphanomyces Root Rot (Race 2)
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
Low < 49%
Spotted Alfalfa Aphid
Not Tested
Stem Nematode
Resistant
Potato Leafhopper
Not Tested
Approx. Seeds/Lb.
227000
Phytopthora Root Rot
Highly Resistant
Seeding Rate - Alone/New (Lbs./Acre)
18-25
Seeding Rate - Mixes (Lbs./Acre)
15-20
% 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 |