Medicago sativa

HybriForce 4400

HybriForce 4400

Fall Dormancy: 4.0
Winter Survival: 2/0
Disease Rating Index: 34/35
StandFast FastGrowth Rating: 1.68

HybriForce 4400 is a premium hybrid alfalfa variety that incorporates advanced msSunstra Hybrid Alfalfa Technology, designed to deliver exceptional performance for forage producers. This variety showcases outstanding yield potential in its establishment year, providing a strong return on investment from the outset. 

Key features

  • msSuntra® Hybrid Alfalfa Technology
  • Outstanding yield potential in establishment year
  • Broadly adapted alfalfa that excels in a wide range of environments
  • Trifoliate leaf expression
  • Very good forage yield

Segment Forage
Bacterial Wilt Highly Resistant
Species Alfalfa
Fusarium Wilt Highly Resistant
Sci. Name Medicago sativa
Verticillium Wilt Highly Resistant
Cutting System 3-5
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 Erect
Blue Alfalfa Aphid Highly Resistant
Cowpea Aphid Highly Resistant
Stem Thickness Thin
Pea Aphid Resistant
Multifoliate (MF) Leaf Expression Frequency 0
Spotted Alfalfa Aphid Resistant
Stem Nematode Highly Resistant
Potato Leafhopper Not Tested
Northern Root Knot Nematode Moderately Resistant
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