When controlling grassland weeds, the mindset of row crop weed control may be put into practice too often. In most cases, broadcast control of weeds in grasslands is rarely necessary. Most often, spot treatment can be used more effectively to manage the noxious and invading weeds. Often, noxious and invading weeds are only in a few areas and do not require the whole grassland to be sprayed. Grasslands typically have about 80% of their biomass as grass, 15% as forbs (broadleaf plants), and 5% as shrubs.
State noxious weeds include; leafy spurge, Canada thistle, perennial sow thistle, hoary cress, Russian knapweed, purple loosestrife and salt cedar. The products below are labeled for control of the mentioned species.
Leafy Spurge: Dicamba, Tordon + 2,4D, Tordon, Plateau, Method and Perspective
Canada Thistle: Dicamba, Overdrive, Milestone, GrazonNext/Forefront, Opensight/Chaparral, Capstone, Tordon + 2,4D, Tordon, Stinger/Transline, Curtail, Vastlan, Telar, Method and Perspective
Perennial Sow Thistle: 2, 4D, Dicamba, Overdrive, Milestone, GrazonNext/Forefront, Opensight/Chaparral, Capstone, Tordon and Method
Hoary Cress: Opensight/Chaparral, Plateau, Cimmarron Max, Cimmarron Plus, Telar, Escort and Perspective
Russian Knapweed: Dicamba, Milestone, GrazonNext/Forefront, Opensight/Chaparral, Capstone, Tordon, Plateau, Method and Perspective
Purple Loosestrife: Milestone, Opensight/Chaparral, Capstone, Vastlan, Cimmarron Max, Cimmarron Plus and Escort
Salt Cedar: Remedy Ultra and Vastlan
For spot treatment amounts visit manufactures label or view 2018 Weed Control - Noxious Weeds.