Guide to Weed Response to Soil Appled Herbicides in Soybeans
	Barnyardgrass	Broadleaf Signalgrass	Crabgrass	Fall Panicum	Foxtail	Johnsongrass (Seedling)	Johnsongrass (Rhizome)	Shattercane	Yellow Nutsedge	Black Nightshade	Burcucumber	Cocklebur	Copperleaf, Hophornbeam	Lambsquarters	Morningglory	Smooth Pigweed	Prickly Sida	Common Ragweed	Giant Ragweed	Sicklepod	Smartweed	Velvetleaf
Authority					7	2	0		7	8	0	6		9	9	9	8	6	7		8	7
Backdraft (PRE only)	6	5	5	5	6	6	2	5	2	7	6	9	4	9	6	9	9	9	6		9	6
Boundary	8	7	9	9	9	5	0	5	6	7	2	6	2	9	5	9	9	9	7	7	9	7
Broadstrike/Treflan (PPI only)	9	8	9	9	9	8	3	7	3	8	0	7		9	6	9	7	6	7	7	8	7
Canopy XL	6	6	6	6	6	5	0	4	8	8	7	9		9	9	9	8	9	9	5	9	9
Command (Pre only)	9	9	9	9	9	7	2	6	3	5	0	6	2	8	0	6	8	8	9	0	7	9
Dual II Magnum	8	7	9	9	9	5	0	4	7	8	0	0	4	6	0	8	3	5	2	3	6	2
Frontier	8	7	9	9	9	5	0		7	8	0	0	4	7	0	8	0	5	0	2	5	0
Micro-tech	8	6	9	9	9	5	0	4	7	8	0	0	4	8	0	8	3	5	2	3	6	2
Prowl	8	7	9	8	9	7	2	5	0	0	0	0	0	8	2	8	0	2	6		6	6
Python	0	0	0	0	0	0	0	0	0	7	0	6		9	5	9	8	7	7	6	8	7
Scepter	6	5	5	5	6	6	2	5	2	7	6	9	4	9	6	9	9	9	6		9	6
Sencor	6	5	6	6	6	5	0	2	2	2	2	6	8	9	5	9	9	8	7	7	9	7
Squadron	8	7	9	9	9	7	2	5	2	7	6	9	4	9	6	9	9	9	6		9	6
Steel	9	8	9	9	9	8	3	7	3	8	7	7	4	9	7	9	7	9	7	7	9	7
Treflan (PPI only)	9	8	9	9	9	8	3	8	0	0	0	0	0	8	2	9	0	3	2	0	3	2
Tri-Scept	9	8	9	7	9	8	3	7	3	9	8	9	4	9	7	9	9	9	7	7	9	7
User should always read and follow the manufacturer's chemical label before use of any herbicide.