Herbicide Summary - Tordon 101 Mixture

Used for post-emergence control of most annual and perennial weeds, woody plants, vines, and pre-emergence control of most annuals; used primarily for conifer planting site preparation.
Herbicide Summary - Tordon 101 Mixture - Articles

Updated: August 8, 2017

Common Name: Picloram-10.2% and 2,4-D-39.6%

Formulation: Water-soluble liquid (amine salt)

Signal Word: Danger

Toxicity: Slightly toxic; oral LD (50): 2,598 mg/kg

Use Classification: Restricted use

Minimum Required Personal Protective Equipment: Long-sleeved shirt, long pants, shoes, socks, protective eyewear, and chemical-resistant gloves. For containers larger than 1 gallon, but smaller than 5, mixers must wear coveralls or chemical-resistant aprons

Carriers: Water

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

Mode of Action: Concentrates in active growing tissue (meristems), causing uneven cell growth and division

Selectivity: Broad-spectrum, although most grasses are resistant

Precautions: Causes irreversible eye damage; toxic to nontarget plants at very low concentration; known to leach through soil into groundwater in areas where soils are permeable and water table is shallow

Application Methods: Foliar spray, cut stump, stem injection, frill girdle

Manufacturer: Dow AgroSciences