Weed Management Handbook

PREPLANT INCORPORATED OR PREEMERGENCE

imazethapyr (Pursuit and other trade names)

Rate 0.047 Ib ai/A (3 oz/A Pursuit)

Time Apply preplant incorporated within 1 week of planting. Do not incorporate more than 3 inches deep. Apply preemergence after planting but before crop emerges. Application may be followed by shallow incorporation to improve control.

POSTEMERGENCE

clethodim (SelectMax and other trade names)

Rate Annual grasses: use 0.068 to 0.121 lb ai/A (9 to 16 oz/A SelectMax); perennial grasses: use 0.091 to 0.242 lb ai/A (12 to 32 oz/A SelectMax)

Time Apply postemergence to actively growing grasses. See label for details.

PREPLANT INCORPORATED

pendimethalin + metribuzin (Tripzin ZC)

Rate 0.91 to 1.375 lb ai/A (29 to 44 oz/A Tripzin ZC).

Time Apply up to 60 days preplant and incorporate within 7 days of application. Do not apply more than once per cropping season. Do not apply when the air temperature is below 45°F.

PREPLANT INCORPORATED

triallate (Far-Go or Avadex)

Rate 1.5 lb ai/A (1.5 quarts/A Far-Go, 12.5 to 15 lb/A Avadex)

Time Apply preplant or postplant, but before lentil emergence; incorporated thoroughly 1 to 2 inches deep.

carfentrazone (Aim EC)

Rate 0.016 to 0.096 lb ai/A (1.0 to 6.1 oz/A Aim EC)

Time Apply at maturity when 80 to 90% of seed pods are yellow or buck skin color and only 30% of green leaves remain on the plant.

MCPB (Thistrol)

Rate 0.5 to 1.5 lb ae/A (2 to 6 pints/A). Use higher Rate during cool weather.

Time Apply when peas have six to twelve nodes, but before flower buds form, and Canada thistle is 4 to 10 inches tall.

Remarks Canada thistle is only suppressed and usually re-grows.

PREPLANT SURFACE, PREPLANT INCORPORATED, OR PREEMERGENCE

flumioxazin (Valor EZ and other trade names)

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

Time Apply before planting, or within 2 days after planting but before crop emerges.

POSTEMERGENCE

clethodim (Select Max and other trade names)

Rate 0.068 to 0.121 lb ai/A (9 to 16 oz/A Select Max)

Time Apply postemergence to actively growing grasses. See label for details.

Remarks Apply with an approved nonionic surfactant at 0.25% v/v.

PREPLANT SURFACE, PREPLANT INCORPORATED, OR PREEMERGENCE

sulfentrazone + pyroxasulfone (Authority Supreme)

Rate 0.141 to 0.5 oz ai/A (4.3 to 15.4 oz/A Authority Supreme)

Time May be applied in the fall for crops planted in the fall or for crops planted the following spring. In spring, may be applied from 30 days before planting up to 3 days after planting.