Medicago sativa

AFX 334 LH

AFX 334 LH

Fall Dormancy: 3.0
Winter Hardiness: 2.0
Disease Resistance Index: 30/30
StandFast FastGrowth Rating: 1.98

334 LH Brand is specifically developed with genetic resistance to potato leafhopper injury, enhancing harvestable yield and forage quality in areas prone to this pest. This variety thrives in production systems where chemical control methods are not utilized and is best suited for three-cut or four-cut harvests, as well as rotational grazing systems. 

Key features

  • Genetic resistance to potato leafhopper injury
  • Improved forage yield
  • Improved forage quality
  • Adapted to 3-4 cuttings
  • Performs well in mixtures with cool-season grasses or other legumes

Segment Forage
Bacterial Wilt Highly Resistant
Species Alfalfa
Fusarium Wilt Highly Resistant
Sci. Name Medicago sativa
Verticillium Wilt Highly Resistant
Cutting System 3-4
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) Not Tested
Aphanomyces Root Rot (Enhanced) Not Tested
Growth Habit, Spring Erect
Blue Alfalfa Aphid Highly Resistant
Cowpea Aphid Not Tested
Stem Thickness Medium
Pea Aphid Resistant
Multifoliate (MF) Leaf Expression Frequency Moderate
Spotted Alfalfa Aphid Highly Resistant
Stem Nematode Not Tested
Potato Leafhopper Highly Resistant
Northern Root Knot Nematode 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 PlantsResistance ClassClass Abbreviation
> 50 %High ResistanceHR
31 – 50 %ResistantR
15 – 30 %Moderate ResistanceMR
6 – 14 %Low ResistanceLR
< 5 %SusceptibleS


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 / dayGrowth Rating
> 2.20Very Fast
> 2.00Fast
> 1.80Average
> 1.60Slow
< 1.60