Site Preparation-Broad-spectrum Control

glyphosate (Rodeo, Touchdown, Buccaneer and others)

For control of annual and perennial weeds and woody plants in natural areas including wildlife management areas, wildlife openings, wildlife habitats and in and around aquatic sites and wetlands

Rate 1% solution with hand-held equipment

Time Apply to actively growing plants at full to late flowering stage. Weed seedlings may be effectively treated early in the season or after a fall application to mature plants.

Remarks Use 0.5% v/v nonionic surfactant. Thoroughly wet foliage but avoid runoff.

Caution Glyphosate is nonselective. It will injure or kill any vegetation it contacts.

Site of action Group 9: inhibits EPSP synthase

Chemical family None generally accepted

imazapic (Plateau)

For conifer plantation site preparation

Rate 0.031 to 0.188 lb ai/a (2 to 12 oz/a)

Time Before transplanting for residual weed control

Remarks Some grass species are tolerant. Add 1 quart/a methylated seed oil; do not exceed 25 gal/a spray volume.

Caution Before using, note crop rotation restrictions.

Site of action Group 2: acetolactate synthase (ALS) inhibitor

Chemical family Imidazolinone

imazapyr (Habitat)

For control of undesirable vegetation growing within aquatic sites including wetlands and riparian areas

Rate 0.25 to 0.5 lb ae/a

Time Apply when vegetation is growing vigorously.

Remarks Controls many grass and broadleaf species including brush and vine species. Always apply with an adjuvant.

Caution Before use, note rotation and other restrictions on label.

Site of action Group 2: acetolactate synthase (ALS) inhibitor

Chemical family Imidazolinone