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Relative effectiveness of herbicides for corn

Herbicide	Stage	Barnyardgrass	Bermudagrass	Broadleaf signalgrass	Crabgrass	Fall panicum	Foxtails	Goosegrass	Johnsongrass (seedling)	Johnsongrass (rhizome)	Quackgrass	Sandbur	Shattercane	Texas panicum	Yellow nutsedge	Eastern black nightshade	Burcucumber	Cocklebur	Jimsonweed	Lambsquarters	TR-Lambsquarters	Morningglory (annual spp)	Pigweed	TR-Pigweed	Giant Ragweed	Common ragweed	Sicklepod	Smartweed	Spurred anoda	Prickly sida or teaweed	Tropic croton	Velvetleaf
Atrazine	Preplant incorporated	F-G	N	P	F-G	N	F	F	N	N	P-F	P	N	N	N	E	F	G	G	G	N	G	G	N	G	G	G	G	G	G	G	G
Dual II Magnum/Cinch	Preplant incorporated	G-E	N	F-G	G-E	G-E	E	E	P	N	N	F	P	P	F-G	F	N	N	N	P-F	P-F	N	G	G	N	P	N	P	N	P	N	N
Dual II Magnum/Cinch + Atrazine	Preplant incorporated	G-E	N	F-G	G-E	G-E	E	E	P	N	P-F	F	P	P	F-G	E	F	G	G	G	P-F	G	G	G	G	G	G	G	G	G	G	G
Dual II Magnum/Cinch + Atrazine + Princep	Preplant incorporated	G-E	N	F-G	G-E	G-E	E	E	P	N	P-F	F	P	P	F-G	E	F	G	G	G	P-F	G	G	G	G	G	G	G	G	G	G	G
Outlook	Preplant incorporated	G-E	N	F-G	G	G-E	G-E	G	P	N	N	F	P	P	F	F	N	N	N	P	P	N	G	G	N	P	N	P	N	P	N	N
Outlook + Atrazine	Preplant incorporated	G-E	N	F-G	G	G-E	G-E	G	P	N	P-F	F	P	P	F	E	F	G	G	G	P	G	G	G	G	G	G	G	G	G	G	G
Outlook + Atrazine + Princep	Preplant incorporated	G-E	N	F-G	G	G-E	G-E	G	P	N	P-F	F	P	P	F	E	F	G	G	G	P	G	G	G	G	G	G	G	G	G	G	G
Princep	Preplant incorporated	G	N	P	F-G	F	F-G	F-G	P	N	P	-	P	P	P	G-E	F	G	G	G	N	G	G	N	F	G	G	G	F-G	F-G	F-G	F-G
Atrazine	Preemergence	F	N	P	P-F	P	F	F	N	N	P-F	P	P	P	P	E	P-F	G	E	E	N	F-G	E	N	F-G	G-E	G	G	F-G	G	G	F-G
Atrazine + Princep	Preemergence	F-G	N	P	F-G	F	F-G	F-G	P	N	P-F	P	P	-	P	E	F	G	E	E	N	G	E	N	G	E	G	G	F-G	G	G	G
Axiom	Preemergence	G	N	F-G	G	G	G	G	P	N	N	P	N	P	P	P	N	N	N	P-F	P-F	N	P-F	P-F	N	P	N	N	N	N	N	N
Basis	Preemergence	G	N	N	P	G	G	P	N	N	N	P	N	-	N	N	N	P	P	F-G	F-G	N	G	G	N	N	-	P	P	-	-	P
Callisto	Preemergence	N	N	P	F	N	P	N	N	N	N	N	N	N	P	P	-	P-F	F	G	G	F	F-G	F-G	-	P	-	-	-	N	N	-
Dual II Magnum/Cinch	Preemergence	G-E	N	F-G	G-E	G-E	E	E	P	N	N	F	P	P	F	F	N	N	N	P	P	N	G	G	N	P	N	P	N	P	N	N
Dual II Magnum/Cinch + Atrazine	Preemergence	G-E	N	F-G	G-E	G-E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
Dual II Magnum/Cinch + Atrazine + Princep	Preemergence	G-E	N	F-G	G-E	G-E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
Harness/Degree	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	N	F	P	P	F	F	N	N	N	F	F	N	F-G	F-G	N	P	N	P	-	P	N	N
Harness/Degree + Atrazine	Preemergence	G	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	F	G	E	G	G	E	G	G	G	G	G	G
Harness/Degree + Atrazine + Princep	Preemergence	G	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	F	G	E	G	G	E	G	G	G	G	G	G
Hornet	Preemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	P-F	P	F-G	F-G	F-G	G	P	E	E	P	P	F-G	E	F	F-G	-	G
Lumax	Preemergence	G-E	N	F-G	G-E	G-E	E	E	P	N	N	F	P	P	F	G-E	P-F	F	G-E	E	E	F-G	E	E	F	F-G	P-F	F-G	P-F	F-G	-	F-G
MicroTech	Preemergence	G-E	N	F-G	F-G	E	E	E	P	N	N	F	P	P	P	F-G	N	N	N	P	P	N	G	G	N	P	N	P	N	P	N	N
MicroTech + Atrazine	Preemergence	G-E	N	F-G	F-G	E	E	E	P	N	P-F	F	P	P	P	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
MicroTech + Atrazine + Princep	Preemergence	G-E	N	F-G	F-G	E	E	E	P	N	P-F	F	P	P	P	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
Outlook	Preemergence	G-E	N	F-G	G	G	G	G	P	N	N	P-F	P	P	F	F	N	N	N	P	P	N	G	G	N	P	N	P	N	P	N	N
Outlook + Atrazine	Preemergence	G-E	N	F-G	G	G	G	G	P	N	P-F	P-F	P	P	F	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
Outlook + Atrazine + Princep	Preemergence	G-E	N	F-G	G	G	G	G	P	N	P-F	P-F	P	P	F	E	F	G	E	E	P	G	E	G	G	E	G	G	G	G	G	G
Princep	Preemergence	F-G	N	P	F-G	G	G	F-G	P	N	F	-	P	P	P	G-E	F	G	G-E	E	N	G	E	N	F	E	G-E	E	F-G	F-G	F-G	F-G
Prowl	Preemergence	G-E	N	F-G	F	F-G	G	F	F	N	N	F	F	P-F	N	N	N	N	N	F-G	F-G	P	F-G	F-G	N	P	N	P	N	P	P	F
Python	Preemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	P-F	P	F-G	F-G	G	G	P	G	G	P	P	F-G	E	F	F-G	-	G
Topnotch	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	N	F	P	P	F	F	N	N	N	F	F	N	F-G	F-G	N	P	N	P	-	P	N	N
Topnotch + Atrazine	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	F	G	E	F-G	G	E	G	G	G	G	G	G
Topnotch + Atrazine + Princep	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	F	G	E	F-G	G	E	G	G	G	G	G	G
2,4-D	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	F	P	G-E	E	E	E	E	E	E	E	E	F-G	F-G	-	G	G	F-G
2,4-D + Banvel/Clarity	Postemergence	N	N	N	N	N	N	N	N	P	N	N	N	N	N	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Accent	Postemergence	G-E	N	G-E	P-F	G	G	P	E	G-E	G-E	G	E	G	P	N	F-G	P	F	P	P	F	G-E	G-E	P	P	F	F-G	-	P	-	P
Aim	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	G	N	N	N	F-G	F-G	F	G	G	N	P	-	-	-	-	-	E
Atrazine + Oil	Postemergence	F	N	F	P-F	P	F	G	P	N	F-G	-	P	P	P-F	G-E	F-G	G-E	E	E	N	G-E	E	N	G	G-E	G	E	-	G	F-G	F-G
Banvel/Clarity	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	E	F	E	E	E	E	E	E	E	G-E	G-E	G-E	E	-	G	G	G
Basagran	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	F	P	P	G-E	E	P-F	P-F	P	P	P	P-F	F-G	P	G-E	F	F-G	F	F-G
Basis	Postemergence	F-G	N	F-G	P-F	G	G	P	F-G	F	-	F	F-G	F	P-F	N	N	F	P-F	G	G	P	G-E	G-E	N	P	P	G	-	N	-	G
Beacon	Postemergence	P	N	P	P	F	F-G	P	E	G	G	-	E	P	P	P-F	G	F-G	F-G	F-G	F-G	F	G-E	G-E	G	G-E	F	F-G	-	F	-	F-G
Brominal or Buctril	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	G-E	F-G	F-G	F-G	G	G	F	P	P	F-G	F-G	N	F-G	-	P	G	F-G
Callisto	Postemergence	G	N	P	F	P	P	P	P	N	-	-	P	P	F	G	-	F-G	G	E	E	F-G	G-E	G-E	-	F	-	-	F-G	P	-	G-E
Celebrity Plus	Postemergence	G-E	N	G-E	P-F	G	G	P	E	G-E	G-E	G	E	G	P	E	F-G	E	E	E	E	E	E	E	G-E	G-E	G-E	E	-	G	G	F-G
Distinct	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	E	F-G	E	E	E	E	E	E	E	G-E	G-E	G-E	E	-	G	G	G
Evik b	Postemergence	G	N	G	F-G	F-G	F-G	G	P-F	N	-	-	F	G	P	G	F	E	E	E	E	F-G	G	G	F-G	G-E	F-G	F-G	-	G	F-G	F-G
Exceed	Postemergence	P	N	N	P	P	P-F	N	P-F	N	P-F	-	P-F	N	P	G	G	G	G	P-F	P-F	P-F	G-E	G-E	G-E	G-E	G	G-E	-	P	-	F-G
Field Master	Postemergence	E	G	E	E	G-E	E	E	E	G	G-E	E	G	G	P-F	F-G	E	E	E	F-G	F-G	G	E	E	G	F-G	F-G	F-G	F	F-G	G	F-G
Gramoxone Inteon b	Postemergence	G	N	F	G	G	G	G	G	N	P	G	G	F	F	G	G	G	G	G	G	F-G	G	G	F-G	G	G	F-G	G	G	G	G
Hornet	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	P	N	G	G	P-F	P-F	F	F	F	F-G	G	-	F-G	-	N	-	G
Laddok S-12	Postemergence	F	N	P	P-F	P	F	F	P	N	F	-	F	P	P-F	F-G	P	G-E	E	F-G	P-F	P-F	F	P	F-G	F-G	P-F	F-G	-	F-G	-	F-G
Liberty	Postemergence	F-G	N	F	F	F-G	F-G	P	F-G	N	F	F-G	F-G	F-G	P	G	G	G-E	G-E	F-G	F-G	G-E	G	G	G	G-E	G-E	F	-	F-G	-	G
Lightning	Postemergence	G	N	F-G	P-F	P-F	G	P	G	F	F-G	-	G	P-F	F-G	G-E	P	G-E	G-E	P-F	P-F	P-F	E	E	P	P-F	F	G	-	G	-	F
Linex b	Postemergence	F	N	F-G	F	F	F	F	P-F	N	N	-	P-F	F	P	P-F	F	G	G	G	G	F-G	G	G	G	G	G	F-G	G	G	-	F-G
Marksman	Postemergence	N	N	P	P	N	P	F	N	N	F	-	N	-	P	E	G	E	E	E	E	G-E	E	E	G-E	G-E	G-E	E	-	G	G	G
NorthStar	Postemergence	P	N	P	P	F	F-G	P	E	G	G	-	E	P	P	E	F-G	E	E	E	E	E	E	E	G-E	G-E	G	E	-	G	G	G
Permit/Sandea	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	E	P	P	G-E	G	P	P	F	G-E	G-E	F-G	G-E	P-F	F-G		N	-	G
Prowl + Atrazine	Postemergence	F-G	N	F	F-G	P	F	G	P-F	N	F	-	P	P	F	G-E	F-G	G-E	E	E	N	G-E	E	N	G	G-E	G	E	-	G	F-G	G
Resource	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	F-G	F-G	P	P	P	P	P	F	F	P	P	N	P	-	N	-	E
Spirit	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	F	F-G	F-G	F-G	P-F	P-F	P-F	G-E	G-E	G	G-E	F	F-G	-	P	-	F-G
Steadfast	Postemergence	G-E	N	G-E	P-F	G	G-E	P	E	G-E	G-E	G	E	G	P	N	F-G	P	P-F	P	P	P	G-E	G-E	P	P	P	F-G	-	P	-	P
Tough	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	F	G	P	F-G	F-G	G-E	G-E	N	G-E	G-E	P-F	P	-	P	-	-	-	P-F
Harmony SG	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	P	P-F	F	P	E	E	P	E	E	P	P	P	G	P	P	P	F-G
Define + Atrazine	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	P-F	E	F	G	E	E	P-F	G	E	G	G	E	G	G	G	G	G	G
Keystone	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	P-F	F	P	P	F	E	F	G	E	E	P-F	G	E	G	G	E	G	G	G	G	G	G
Glyphosate (Roundup Weather Max, Touchdown Total and others)	Postemergence	E	G	E	E	G-E	E	E	E	F-G	E	E	E	F-G	F-G	F-G	E	E	E	F-G	F-G	F-G	E	E	G	F-G	F-G	F-G	F-G	F	F-G	G
Steadfast ATZ	Postemergence	G-E	N	G-E	P-F	G	G-E	P	E	G-E	G-E	G	E	G	P	G	F-G	F-G	F-G	F-G	F	F	G	G	N	P	P	G	-	N	-	G
Define	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	N	F-G	P-F	P-F	P-F	P-F	N	N	N	P-F	P-F	N	G	G	N	P	N	P	N	P-F	N	N
Stinger	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	F	N	G-E	G	P	P	N	P	P	G-E	E	-	F	-	-	-	P
Lexar	Preemergence	G-E	N	F-G	G-E	G-E	E	E	P	N	N	F	P	P	F	G-E	P-F	G	E	E	E	G	E	E	G	E	G	G	G	G	G	E
Equip	Postemergence	F	N	F-G	F	F	F	F	F-G	F-G	G	F	G	F	-	F	F-G	F	F	P-F	P-F	P-F	E	E	F-G	F-G	P-F	F	-	-	-	P
Option	Postemergence	F-G	N	G	P-F	G	G	G	G	G	G	G	G	G	F	F	F-G	F	F	P-F	P-F	P	E	E	P-F	F-G	-	-	-	-	-	P
Impact	Postemergence	G	N	P	F-G	F	G	F	P	N	N	-	-	-	-	G	-	F-G	G	E	E	F	G-E	G-E	G	G	-	-	-	P	-	G-E
Halex GT	Postemergence	E	G	E	E	G-E	E	E	E	F-G	E	E	E	F-G	E	F-G	E	E	E	E	E	F-G	E	E	G	F-G	F-G	F-G	F-G	F	F-G	E
Sequence	Postemergence	E	G	E	E	G-E	E	E	E	F-G	E	E	E	F-G	F-G	F-G	E	E	E	F-G	F-G	F-G	E	E	G	F-G	F-G	F-G	F-G	F	F-G	G
Status	Postemergence	N	N	N	N	N	N	N	N	N	N	N	N	N	N	E	F-G	E	E	E	E	E	E	E	G-E	G-E	G-E	E	F-G	G	G	G
SureStart	Preemergence	G-E	N	F-G	G-E	E	E	E	P	N	N	F	P	P	F-G	P-F	P-F	F-G	F-G	F-G	G	P	E	E	P	P	F-G	E	F	F-G		G-E

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