Table 2. Herbicides for Seedling Alfalfa Stands Any person using products listen in this handout assumes full responsibility for their use in accordance with current directions of the manufacturer. |
|||||
Trade Name, Formulation, & Application Rate | Other Trade Names | Active Ingredient(s) | Application Timing | Other Labeled Forages | Special Instructions and Remarks |
Balan 1.5 lb/gal EC 3 to 4 qt/A |
None | benefin | Preplant Incorporated | birdsfoot trefoil & red, ladino, & alsike clover | Do not use small grains as a companion crop. Do not use on soils high in organic matter |
Buctril 2EC 2 lb/gal EC 1 to 1.5 pt/A |
Buctril 4EC Moxy 2E |
bromoxynil | Postemergence | None | Do not apply if temperatures are to exceed 70° F at application or for 3 days after application. Do not apply to stressed crop. Do not graze or harvest spring-treated alfalfa for 30 days and fall-treated for 60 days after treatment. Apply in fall or spring to seedling alfalfa with at least 4 trifoliate leaves and to weeds at or before the 4-leaf stage or 2 inches in height (which ever is first). |
Butyrac 200 2 lb/gal S 1 to 3 qt/A |
None | 2,4-DB | Postemergence | birdsfoot trefoil & red ladino, & alsike clover | Do not harvest or graze for 60 days after treatment. Do not apply to sweet clover. Use on weeds less than 3 inches tall (3 inches across for rosettes). Use higher rates for seedling smartweed or curly dock. |
Eptam 7-E 7 lb/gal EC 2.5 to 4.5 pt/A |
Eptam 20-G | EPTC | Preplant Incorporated | birdsfoot trefoil, lespedeza, & clovers | Do not use small grains as a companion crop. Do not use on white Dutch clover. |
Gramoxone Max 3 lb/gal S 0.75 to 1.3 pt/A for dormant stands 0.75 pt/A for between cutting applications |
None | paraquat | Dormant stands less than 1 year old or Between Cuttings | None | For dormant-season applications, apply after last fall cutting or before spring growth is 2 inches tall. Do not harvest or graze for 60 days after dormant-season application. Do not apply more than 1 dormant-season application in a season. For between-cuttings applications, apply within 5 days after cutting and before alfalfa regrowth is 2 inches tall. Do not harvest or graze for 30 days after between-cutting applications. Do not exceed 2 between-cutting applications during seedling year. Restricted Use Pesticide. |
Kerb 50 W 50% WP 1 to 3 lb/A |
None | pronamide | Postemergence | birdsfoot trefoil, crownvetch & clovers | Do not graze or harvest for 120 days after application. In fall-seeded legumes, apply after trifoliate stage. In spring-seeded legumes, apply the following fall. Restricted Use Pesticide. |
Poast 1.5 lb/gal EC 0.75 to 2.5 pt/A |
Poast Plus | sethoxydim | Postemergence | birdsfoot trefoil | Do not apply within 7 days of grazing, feeding, or harvesting undried forage, or within 14 days of harvesting dry hay. Do not apply more than 6.5 pts/acre/season. Best grass control is achieved when application is made prior to mowing. If tank-mixed with 2,4-DB, follow the 2,4-DB harvest and grazing restrictions. |
Pursuit 2AS 2 lb/gal AS 3-6 fl. oz./A |
Pursuit 70 DG | imazethapyr | Postemergence | None | Do not feed, graze or harvest for 30 days after application. Apply to alfalfa in 2nd or larger trifoliate leaf stage and to weeds 1 to 3 inches tall (3 inches across for rosettes). Add nonionic surfactant or COC plus 28% N. May temporarily reduce alfalfa height. |
Select 2 EC 2 lb/gal EC 8 to 16 fl. oz./A |
Prism | clethodim | Postemergence | birdsfoot trefoil | Do not apply within 15 days of grazing, feeding or harvesting forage. Do not plant rotational crops within 30 days after application. Do not apply a broadleaf herbicide within 1 day following Select application. Best grass control is achieved when application is made prior to mowing. If tank-mixed with 2,4-DB, follow the 2,4-DB harvest and grazing restrictions. Always use COC. |