Restrictions for Planting Potato After Herbicides


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

2, 4-D       2,4-DB     Achieve     Action      alachlor  Assure II 
Avenge       Basagran   bentazon    Betamix     Betamix Prog.  
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    Hrmny Xtra Hoelon      LndmstrBW   Lasso     Lexone
Liberty      Matrix     MCPA        Option II   Paraquat  Pinnacle
Poast        Prism      Prowl       Puma        Ramrod    Raptor
Resource     Roundup    Select      Sencor      Sonalan   Stampede
Storm        Sutan+     Tiller      Touchdown   Tough     Trifluralin
Treflan      Ultima 160 

Herbicide Restrictions - See page 64 of ND Weed Control Guide for other
crops.  

Accent:         18 months. Interval may be reduced to 10 to 12 months
                in the future.
Ally:           34 months and 28 inches of cumulative rainfall.
Amber:          At least 3 years and a successful field bioassay. 
Assert:         15 months.
Atrazine:       Label restricts to 2 years following application.
                However, research has shown excellent safety if
                planted the year following application at rates of 1
                lb ai/A or less.
Authority:      12 months.
Banvel/Clarity: Allow 2 cropping seasons between application and
                potato OR allow 45 days for each pint of Banvel
                excluding days when ground is frozen. 
Basis:          After 4 months.
Bicep:          See Atrazine.
Broadstrike 
+ Dual:         26 months and a successful field bioassay.
Broadstrike
+Treflan:       26 months and a successful field bioassay.
Broadstrike 
Plus:           26 months and a successful field bioassay.
Curtail:        18 months.
DoublePlay:     Allow 2 cropping seasons between application and
                potato. No carryover or residue will be detected if
                potatoes are planted the year following application.
Exceed:         300 days. Do not use in North Dakota. See label. 
Extrazine II:   See Atrazine.
Finesse:        Do not use if potatoes are in the rotation.
Fallow Master:  See Banvel.
Guardsman:      See Atrazine.
Harness:        Allow 2 cropping seasons between application and
                potato. No carryover or residue will be detected if
                potatoes are planted the year following application.
Harness Extra:  See Harness and Atrazine.
Laddok:         See Atrazine.
Lariat:         See Atrazine.
Marksman:       See Atrazine and Banvel.
Peak:           At least 3 years and successful field bioassay.
Permit/
Battalion:      No mention of potato. Allow 2 years and a successful
                field bioassay. 
Pursuit:        26 months
Scorpion III:   26 months and a successful field bioassay. 
Shotgun:        See Atrazine.
Stinger:        Do not plant potato for 18 months on soil with less
                that 2% OM and less than 15 inches cumulative annual
                precipitation. A field bioassay is recommended.
Surpass/
TopNotch:       Allow 2 cropping seasons between application and
                potato. No carryover or residue will be detected if
                potatoes are 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 potatoes.

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