Restrictions for Planting Sunflower After Herbicides

Herbicides that have no restriction to planting sunflower the year
following application:

2, 4-D     2, 4-DB    Achieve  Action      alachlor     Assert 
Assure II  Avenge     Basagran bentazon    Betamix      BetamixProg. 
Betanex    Bladex     Blazer   Bronate     Buckle       Buctril   
Butyrac    Campaign   Carbyne  Cheyenne    Cobra        Cyclone
Dakota     Dual       Eptam    Eradicane   Express      Far-Go
Freedom    Frontier   Fusion   Galaxy      Glyphosate   Gramoxone
Harmony Xtra          Hoelon   LandmasterBW             Lasso 
Lexone     Liberty    Matrix   MCPA        Option II    Paraquat
Pinnacle   Poast      Prism    Puma        Prowl        Ramrod 
Raptor     Resource   Roundup  Select      Sencor       Sonalan
Stampede   Stellar    Storm    Sutan +     Tiller       Touchdown
Tough      Trifluralin         Treflan     Ultima 160   Upbeet
                                                                 

Herbicide  Restrictions - See ND Weed Control Guide for other
crops. 

Accent:      18 months. Interval may be reduced to 10 to 12 months in
             the future.
Ally:        22 months and 22 inches of cumulative annual rainfall west
             of ND Hwy #1 or 34 months and 34 inches of precipitation
             east of ND Hwy #1.
Amber:       24 months and a successful field bioassay.
Atrazine:    Allow 2 cropping season after application. Interval may be
             reduced based on rate.
Authority:   12 months.
Banvel:      Allow 2 cropping seasons between application and sunflower
             OR allow 45 days for each pint of Banvel excluding days
             when ground is frozen.
Basis:       12 months.
Bicep:       See Atrazine.
Broadstrike 
+ Dual:      18 months.
Brdstrk 
+ Treflan:   18 months.
Brdstrk 
Plus:        26 months.
Curtail:     18 months on soil with less that 2% OM and rainfall less
             than 15 cumulative annual inches of precipitation or 12
             months if risk of injury is acceptable.
Double
Play:        Allow 2 cropping seasons between applicationa and
             sunflower.
Exceed:      24 months. Do not use in certain areas of North Dakota.
             See label.
Extrazine 
II:          See Atrazine.
Finesse:     A successful field bioassey must be performed before
             planting sunflower.
Fallow 
Master:      See Banvel
Guardsman:   See Atrazine.
Harness:     Label restricts to 2 years following application. However,
             no carryover or sunflower injury will occur if sunflower
             is planted the year following application.
Harness 
Xtra:        See Harness and Atrazine
Laddok:      See Banvel
Lariat:      See Atrazine.
Lexone/
Sencor:      12 months.
Marksman:    See Atrazine and Banvel.
Peak:        At least 3 years and successful field bioassy.
Permit/
Battalion:   No mention of sunflower. Allow at least 2 years and a
             successful field bioassay.
Pursuit:     26 months
Scorpion 
III:         18 months.
Shotgun:     See Atrazine.
Stinger:     18 months on soil with less that 2% OM and rainfall less
             than 15 cumulative annual inches of precipitation or 12
             months if risk of injury is acceptable.
Surpass/
TopNotch:    Label restricts to 2 years following application. However,
             no carryover or sunflower injury will occur if sunflower
             is planted the year following application.
Surpass 100: See Surpass and Atrazine.
Tordon:      1.5 fl oz/A or less allow 2 years between application and
             sunflower.

(Submitted by Richard K. Zollinger, Extension Weed Specialist)