Herbicide Summary - Clean Slate

Provides postemergence control of most broadleaf weeds including thistle and kudzu vine; applied as either a site preparation or tree release application for both conifer and hardwood planting sites
Herbicide Summary - Clean Slate - Articles


Common Name: Clopyralid - 40.9%; Acid Eqivalent: 31% - 3 lbs./gal.

Formulation: Water-soluble liquid (amine salt)

Signal Word: Caution

Toxicity: Practically nontoxic; oral LD (50):>5000 mg/kg

Use Classification: General Use

Minimum Required Personal Protective Equipment: Long-sleeved shirt, long pants, chemical-resistant waterproof gloves, shoes plus socks, and protective eyewear

Carriers: Water or Oil

Activity: Absorbed through foliage, cut surface, and root uptake

Mode of Action: Acts as natural growth regulator by disrupting plant growth process; accumulates in plant growing points, resulting in plant death

Selectivity: Most established grasses are resistant

Precautions: Do not apply to soils with rapid permeability and shallow water table; can be picked up by roots of non-target plants; applications to actively growing conifers and hardwoods may cause needle curling and leaf burning; application to plants in the legume family will cause severe damage

Application Methods: Foliar spray (broadcast or spot) or cut surface (tree injection, hack and squirt, frill girdle, and stump treatment)

Manufacturer: Nufarm