Pyroxasulfone

Trade name(s) Zidua (also a pre-mix partner with flumioxazin in Fierce; pre-mix partner with carfentrazone in Anthem Flex)

Manufacturer(s) BASF Corp

Formulation(s) 4 lb/ gal soluble concentrate, 85% water dispersible granule

Remarks A selective preemergence herbicide with soil residual activity for control of Italian ryegrass, and other grass and small-seeded broadleaf weeds.

Water solubility 3.49 ppm

Storage conditions Store in a cool, dry place.

Acute toxicity LD50 - >2,000 mg/kg (rat).

Action in plant Inhibits roots and shoots.

Site of action Group 15: mitosis inhibitor

Chemical family Pyrazole

Koc 57 to 114 ml/g