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. 

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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

General Characteristics
Segment Forage
Species Alfalfa
Sci. Name Medicago sativa
Plant Characteristics
Stem Thickness Medium
Multifoliate (MF) Leaf Expression Frequency Moderate
Cutting System 3-4
Emergence (Days) 7
Growth Habit, Spring Erect
Root Characteristics
Root Type Tap
Seeding Information
Approx. Seeds/Lb. 227000
Seeding Rate - Alone/New (Lbs./Acre) 18-25
Seeding Rate - Mixes (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) Not Tested
Phytopthora Root Rot Highly Resistant
Aphanomyces Root Rot (Race 1) Highly Resistant
Aphanomyces Root Rot (Race 2) Not Tested
Aphanomyces Root Rot (Enhanced) Not Tested
Pea Aphid Resistant
Blue Alfalfa Aphid Highly Resistant
Cowpea Aphid Not Tested
Spotted Alfalfa Aphid Highly Resistant
Potato Leafhopper Highly Resistant
Stem Nematode Not Tested
Northern Root Knot Nematode Not Tested

% 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