| Variety | Brand or Source | Bacterial Wilt | Verticillium Wilt | Fusarium Wilt | Anthracnose | Phytophthora Root Rot | Fall Doramancy Rating |
| A 30-06 | MBS | HR | HR | HR | HR | HR | 3 |
| 4200 | AV Seeds | HR | HR | HR | HR | HR | 4 |
| Abundance | Dairyland | HR | HR | HR | R | HR | 4 |
| Accord | Chemgro | HR | R | HR | HR | HR | 4 |
| Affinity+Z | America's Alfalfa | HR | HR | HR | HR | HR | 4 |
| Alfastar | Hoffman | HR | R | HR | HR | HR | 4 |
| AmeriGuard 301 | America's Alfalfa | HR | R | HR | HR | HR | 3 |
| AmeriGraze 401+A | America's Alfalfa | HR | HR | HR | HR | R | 4 |
| AmeriStand 201+Z | America's Alfalfa | HR | HR | HR | HR | HR | 2 |
| Arrest | Hoffman | HR | R | HR | HR | HR | 2 |
| Avalanche+Z | America's Alfalfa | HR | HR | HR | HR | HR | 2 |
| Baralfa 32 IQ | Barenbrug | HR | R | HR | HR | HR | 3 |
| Cimarron 3i | AgriCulver | HR | R | HR | HR | R | 4 |
| CleanSweep 1000 | Agway | HR | R | R | HR | HR | 3 |
| Defense+EV | Agripro | HR | HR | HR | HR | HR | 3 |
| Depend+EV | Agripro | HR | HR | HR | HR | HR | 4 |
| Dividend | Agway | HR | R | HR | HR | HR | 2 |
| DK 122 | DeKalb | HR | R | R | HR | HR | 2 |
| DK 124 | DeKalb | HR | HR | HR | HR | HR | 2 |
| DK 127 | DeKalb | HR | R | R | HR | HR | 3 |
| DK 131 HG | DeKalb | HR | HR | HR | HR | HR | 3 |
| DK 133 | DeKalb | HR | R | HR | HR | HR | 4 |
| DK 134 | DeKalb | HR | HR | HR | HR | HR | 3 |
| DK 140 | DeKalb | HR | R | HR | HR | HR | 4 |
| DK 141 | DeKalb | HR | HR | HR | HR | HR | 4 |
| Emperor | America's Alfalfa | HR | HR | HR | HR | HR | 4 |
| Evolution | Mycogen | HR | R | HR | HR | HR | 2 |
| Excalibur II | Agway | HR | R | HR | HR | HR | 4 |
| Excel | Bioplant Research | HR | R | HR | R | HR | 3 |
| Feast + EV | AgriPro | HR | HR | HR | HR | HR | 3 |
| Forcast 3001 | Dairyland | HR | R | HR | R | HR | 3 |
| Forcast 1001 | Dairyland | HR | R | HR | R | HR | 4 |
| FQ 314 | Cargill | HR | HR | HR | HR | HR | 3 |
| FQ 315 | Cargill | HR | R | HR | HR | HR | 3 |
| 620 | Garst | HR | R | HR | HR | HR | 2 |
| GH 788 | AgriCulver | HR | R | HR | HR | HR | 3 |
| 645-11 | Garst | HR | HR | HR | HR | HR | 3 |
| 631 | Garst | HR | R | HR | R | HR | 4 |
| 6420 | Garst | HR | R | HR | R | HR | 4 |
| 5301 | Geertson | HR | R | HR | R | R | 4 |
| 9701 | Geertson | R | R | HR | R | R | 3 |
| Geneva | Hoffman | HR | HR | HR | HR | HR | 4 |
| Guardsman | Seedway | HR | HR | HR | HR | HR | 4 |
| Haygrazer | AgriCulver | HR | R | HR | R | R | 4 |
| Imperial | America's Alfalfa | HR | R | HR | HR | HR | 3 |
| Innovator+Z | America's Alfalfa | HR | HR | HR | HR | HR | 3 |
| Interceptor | AgriPro | HR | R | HR | HR | HR | 3 |
| Intrigue | Preferred | HR | HR | HR | HR | HR | 3 |
| Jade II | NC+ Hybrids | HR | R | HR | R | HR | 3 |
| Key | Agri-Culver | HR | HR | HR | HR | HR | 4 |
| Lightning II | Preferred | HR | HR | HR | HR | HR | 4 |
| Macon | Agway | HR | HR | HR | HR | HR | 4 |
| Magnum IV | Chemgro/Dairyland | HR | R | HR | R | HR | 4 |
| Magnum III Wet | Chemgro | HR | R | HR | R | HR | 3 |
| Mainstay | AgVenture | HR | HR | HR | HR | HR | 3 |
| Mariner | Agway | R | MR | HR | MR | HR | 2 |
| Mariner II | Agway | HR | R | HR | R | HR | 2.5 |
| MP 2000 | Croplan Genetics | HR | R | HR | HR | HR | 3 |
| Multiplier 3 | Mycogen | HR | R | HR | HR | HR | 3 |
| Oneida Ultra | Seedway | HR | HR | HR | R | R | 4 |
| 5347 LH | Pioneer | HR | R | HR | HR | HR | 3 |
| 53Q63 | Pioneer | HR | HR | HR | HR | HR | 3 |
| 53Q60 | Pioneer | HR | R | R | HR | HR | 3 |
| 54V54 | Pioneer | HR | HR | HR | HR | HR | 4 |
| 54H69 | Pioneer | HR | HR | HR | HR | HR | 4 |
| Paragon BR | Chemgro | HR | R | HR | R | HR | 3 |
| Paramount | Chemgro | HR | R | HR | HR | HR | 3 |
| Persist | Kaltenberg | HR | R | HR | R | HR | 4 |
| Pointer | Bio Gene | HR | R | HR | HR | HR | 3 |
| Preferred | Seedway | HR | R | HR | R | R | 4 |
| Pristine | Doebler | HR | R | HR | HR | HR | 4 |
| Prolific | Doebler | HR | R | HR | R | HR | 3 |
| Ranier | Northrup-King | HR | R | HR | HR | HR | 3 |
| Reliance | Agway | HR | HR | HR | HR | HR | 3 |
| Rhino | Geertson | HR | R | R | R | R | 3 |
| Rushmore | Hoffman | HR | R | HR | HR | HR | 4 |
| Somerset | Novartis | HR | HR | HR | HR | HR | 3 |
| Spirit | MBS | HR | R | HR | R | HR | 4 |
| Stampede | Agway | HR | R | R | R | HR | 2 |
| Thrive | Great Lakes | HR | R | HR | HR | HR | 3 |
| Total+Z | America's Alfalfa | HR | HR | HR | HR | HR | 3 |
| TMF 421 | Mycogen | HR | HR | R | HR | HR | 2 |
| TMF 4355 LH | Mycogen | HR | R | HR | HR | HR | 3 |
| TMF 4464 | Mycogen | HR | HR | HR | HR | HR | 4 |
| TMF Generation | Mycogen | HR | HR | HR | HR | HR | 4 |
| Trailblazer | Croplan Genetics | HR | R | HR | HR | HR | 2 |
| WinterGold | Seedway | HR | HR | HR | HR | HR | 4 |
| WL232 HQ | UAP | HR | HR | HR | HR | HR | 2 |
| WL324 | UAP | HR | R | HR | HR | HR | 3 |
| WL325 HQ | UAP | HR | R | HR | HR | HR | 3 |
| WL326 GZ | UAP | HR | HR | HR | HR | HR | 4 |
| Yielder | AgriPro | HR | HR | HR | R | HR | 3 |
*Information as provided by source breeders or companies
Disease rating code: HR = High Resistance (50% or more of plants resistant), R = Resistance (31-50% resistant), MR = Moderate resistance (15-30% resistant), LR = low resistance (6-14% resistant), and S = susceptible resistance (0-5% resistant).
Fall dormancy ratings, 1-5, with 1 = earliest fall dormancy, 5 = last to go dormant in the fall. Fall dormancy ratings may be related to winter hardiness, though some researchers disagree. Ratings of 2, 3, or 4 should have adequate winter hardiness for New York; however, farmers in Northern New York may wish to choose varieties with ratings of 2 or 3.