Annual Grass Weeds in Establishing New Stands

clethodim (Select 2EC, Select Max, Section Three, Intensity, or Intensity One)

Rate Select 2EC, or Intensity: use 0.094 to 0.125 lb ai/a (6 to 8 fl oz/a product). Section Three: use 0.094 to 0.24 lb ai/a (4 to 10.5 fl oz/a product). Select Max or Intensity One: use 0.07 to 0.24 lb ai/a (9 to 32 fl oz/a product).

Time Apply to actively growing annual or perennial grasses at the stage of grass growth indicated on label.

Remarks For grass control only. See label for specific weed species and weed size. Always add a crop oil concentrate containing at least 15% emulsifier at 1% v/v in the finished spray volume. Adding ammonium sulfate has improved control of difficult-to-control grasses. Clethodim is most effective on actively growing grasses before they reach the maximum size indicated on label. In irrigated alfalfa, for best results, apply within 2 to 4 days after irrigation. Use at least 8 oz/a of Select or 17 oz/a of Select Max or 6.67 fl oz/a of Section Three to control annual bluegrass.

Caution Control may be erratic if grasses are stressed by drought, temperature extremes, insect damage, herbicide injury, or other factors, or if grasses are larger than indicated on label. Do not apply if rain is expected within 1 hour after application. Do not apply within 15 days of grazing, feeding, or harvesting for forage or hay. Do not exceed 32 fl oz/a of Select 2EC or 64 fl oz/a of Select Max or 21.33 fl oz/a Section Three.

Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor

Chemical family Cyclohexanedione

sethoxydim (Poast or Poast Plus)

Rate 0.19 to 0.47 lb ai/a (1 to 2.5 pints/a Poast)

Time Apply to actively growing annual or perennial grasses at the appropriate stage of grass growth as indicated by the label.

Remarks For grass control only. See label for specific herbicide rates, weed species, and weed size. Always add a nonphytotoxic oil concentrate to the spray tank at 2 pints for each acre of alfalfa treated. Sethoxydim is most effective on actively growing grasses before they have been cut, but before they reach the maximum size indicated on the label. Larger, more mature grasses can be controlled, but two applications may be required. Sethoxydim will not control annual bluegrass or any of the fine fescues, and offers weak control on downy brome and quackgrass.

Caution Control may be erratic if grasses are stressed by drought, temperature extremes, insect damage, herbicide injury, or other factors. Do not apply if rain is expected within 1 hour after application. Do not apply within 7 days of feeding, grazing, or harvesting for green chop or silage, or within 14 days of harvesting hay. Do not exceed 1.22 lb ai/a in one season.

Site of action Group 1: acetyl CoA carboxylase (ACCase) inhibitor

Chemical family Cyclohexanedione