Herbicide Summary - Polaris SP

Used to control grasses, broadleaf weeds, vines, and woody vegetation for site preparation and conifer release; applied as a spray to cut stumps or the basal area of brush and trees.
Herbicide Summary - Polaris SP - Articles


Common Name: Imazapyr--27.6%

Formulation: Water-soluble liquid (amine salt)

Signal Word: Caution

Toxicity: Practically nontoxic; oral LD50: >5,000 mg/kg

Use Classification: General Use

Minimum Required Personal Protective Equipment: Long-sleeved shirt, long pants, shoes, and socks

Carriers: Water, diesel oil, penetrating oils, or seed oils

Activity: Absorbed through foliage, bark, cut surfaces, and roots

Mode of Action: Accumulates in plant meristems (growth regions); inhibits synthesis of enzyme responsible for producing certain amino acids only found in plants

Selectivity: Conifers generally resistant

Precautions: Do not apply to areas where roots of sensitive desirable plants may extend. Do not apply directly to water.

Application Methods: Foliar spray, stem Injection, frill girdle, cut stump, basal bark

Manufacturer: Nufarm