Weed and Grass Killer, Weed-Ban: paraquat/diquat

Trade Names	Weed and Grass Killer, Weed-Ban
Formulation	SG
Guaranteed active concentration	(1:1) 5%
Groups	22
Ontario Schedule	3
Winter Storage	C
Chemical Family	Bipyridylium/bipyridylium
Crop and/or Non-Crop Registrations	"Chemical mower" to control weeds on driveways, pathways and other non-cultivated areas.
Sensitive Weeds	All green plant tissue. Less effective on plants with a thick, waxy cuticle such as nut sedge.
Uptake and Translocation	Foliar contact activity. Little or no translocation.
Basis of Selectivity	No selectivity for green plants. Will not penetrate the mature (non-green) bark of woody plants.
Application Methods	Postemergence.
Residual Activity	Essentially none; inactivated by adsorption to soil particles. May remain active in turf thatch after application, therefore, thorough cultivation of a turf area is required before seeding.
Unique Characteristics	Best results follow application on dull or cloudy days, or in the evening.
Manufacturer / Registrant	Nu-Grow Corporation