Weed Management Handbook

Preplant surface

flumioxazin (Valor EZ and other trade names)

Rate 0.052 lb ai/A (2 oz/A Valor EZ)

Time Apply at least 14 days before planting.

Remarks Use only on no-till or minimum tillage fields where the previous year's crop residue has not been incorporated into the soil.

Postemergence

imazamox (Beyond)

Clearfield wheat only

Rate 0.031 to 0.047 lb ai/A (4 to 6 oz/A Beyond)

flucarbazone (Pre-Pare and other trade names)

Rate 0.0088 to 0.013 lb ai/A (0.2 to 0.3 oz/A Pre-Pare)

Time Apply at burndown (preplant or pre-emergence to the crop), preferably with a herbicide containing glyphosate.

fenoxaprop (Tacoma 1EC and other trade names)

Rate 0.0825 lb ai/A (10.5 oz/A Tacoma 1EC)

Time Apply to wheat from emergence to 70 days prior to harvest. Apply to wild oat in the two-leaf to two-tiller stage of growth.

Remarks Low soil-moisture, low humidity, and high temperatures before herbicide application might slightly reduce wild oat control.

clodinafop (Discover NG and other trade names)

Rate 0.05 to 0.063 lb ai/A (12.8 to 16 oz/A Discover NG)

Time Apply to winter wheat from the two-leaf to pre-boot stage. Do not apply to winter wheat in the fall. Apply to wild oat from one- to six-leaf stage but before fourth tiller emerges. Apply to Italian ryegrass from one- to five-leaf stage but before tillering.

flufenacet + metribuzin (Axiom DF)

Rate 0.136 to 0.34 lb/A flufenacet and 0.034 to 0.085 lb/A metribuzin (4 to 10 oz/A Axiom DF)

Time Apply from wheat germination to the two-leaf growth stage.

flufenacet + metribuzin (Axiom DF)

Suppression only

Rate 0.136 to 0.34 lb/A flufenacet and 0.034 to 0.085 lb/A metribuzin (4 to 10 oz/A Axiom DF)

Time Apply from wheat germination to the two-leaf growth stage.

carfentrazone (Aim EC)

Rate 0.008 to 0.031 lb ai/a (0.5 to 2 fl oz/a Aim EC)

Time Apply before, during, or after oats have been planted.

diuron (Karmex or Direx)

Rate 0.8 to 1.2 lb ai/a (1 to 1.5 lb/a of the 80% DF)

Time Fall-planted: apply after planting but before oats emerge. Spring-planted: apply after planting either before or after crop emerges, but within 6 weeks of planting.

2,4-D (several trade names)

Rate 0.24 to 0.94 lb ae/a

Time Apply after plants are fully tillered but before stems begin to joint.