NEXGROW 6441HVXR
Fall Dormancy: 4.4
Winter Hardiness: 1.6
Disease Rating Index: 39/40
StandFast FastGrowth Rating: TBD
NEXGROW 6441HVXR alfalfa has improved disease resistance, cold tolerance, persistence and HarvXtra forage quality. Offers excellent harvest flexibility for optimal balance of quality and yield. Features industry leading UltraCut™ alfalfa disease package.
Key features
- Improved UltraCut™ disease resistance
- HarvXtra technology
- Offers excellent harvest flexibility
- Excellent forage quality
- Top choice for poorly drained soils
General Characteristics
Segment
Forage
Species
Alfalfa
Plant Characteristics
Stem Thickness
Medium
Cutting System
3-4
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
Pest and Disease Resistance
Bacterial Wilt
Highly Resistant
Fusarium Wilt
Highly Resistant
Verticillium Wilt
Highly Resistant
Anthracnose (Race 1)
Highly Resistant
Anthracnose (Race 5)
Resistant
Phytopthora Root Rot
Highly Resistant
Aphanomyces Root Rot (Race 1)
Highly Resistant
Aphanomyces Root Rot (Race 2)
Highly Resistant
Aphanomyces Root Rot (Enhanced)
Highly Resistant
Pea Aphid
Resistant
Blue Alfalfa Aphid
Not Tested
Cowpea Aphid
Not Tested
Spotted Alfalfa Aphid
Resistant
Potato Leafhopper
Not Tested
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 |