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Douglas County Noxious Weed Control provides this information as a courtesy (disclaimer) to those who are interested in controlling noxious weeds. We recommend a combination of two methods below (an integrated approach) to effectively control an infestation. If you prefer to have a Commercial Company take care of your Control needs, you can visit our Contractor's Page or use any Contractor found in the Yellow Pages. Equipment may also be available at a local rental store.

Remember, no matter what method(s) is used, ALL AREAS of the property must be maintained. These areas include around fences, poles, mounds, holes, hillsides (no matter how steep), and any other areas that may require specialized control.

Chemical Application
Note:
The below information is derived from the Nebraska Cooperative Extension EC 06-130-D (HERBICIDE USE IN NEBRASKA). Please consult the individual pesticide label for proper application rates.

Always read and follow label directions and wear the proper Personal Protective Equipment

Herbicide* 

Application Timing 

Remarks 

Ally Curtail Late Fall or Spring before Bolting Use in Pasture, grasses for seed, fallow and CRP. Curtail may be used in Wheat

Escort 

Bolted plants in Spring before flowering 

Use in non-cropland and roadsides. Add surfactant 1 pint/100 gal.water 

2,4-D LV Ester (4L)

2,4-D LV Ester (4L)
+
Banvel 

Late Fall treatment of rosettes or Spring before flowering stalks lengthen. 

Annual treatments necessary for control of new seedlings. Fall applications after trees drop leaves and before leafing out in the Spring reduces damage.

Do not apply after "soil freeze up" in the Fall.

For use on Ranges and Permanent pastures only. 

Tordon 22K 

Oct 1 - Dec 1 

* A property owner is not limited to these Herbicides only. Other Herbicides may be available, please consult the individual herbicide label for proper application directions. Herbicides can be found at coops, area nurseries, retail stores, farm stores, and other landscape centers. For more information on Herbicides and their uses please check with the Douglas County Extension Service.

Mechanical Control

Method 

Timing 

Remarks 

Mowing Late Spring to Late Summer
bolting to flowering stalks
before seed formation
Mowing too early may cause repeat mowings soon after. Once seeds begin to set, they may continue to develop in the seedhead after a mowing.

Handwork
Digging
Handcutting 

All-Season 

Digging - You do not have to remove the entire root, but you have to go deep enough to get the crown (sits just beneath the rosette) Dig at least 6 inches below the rosette or plant.

Handcutting - Remove seed head and dispose of. Then chop as low on the plant as possible. Dig up the crown.


Biological Controls
There are Biological Controls (insects) available for Musk Thistle, but they haven't proved in Douglas County to work past the terminal blossom (the single tallest blossom). This is due to our climate and region. Therefore, Douglas County Weed Control will not accept the use of these controls as a viable tool.

Control Method Recommendation
Note: Improving the conditions and competition of desirable grasses and vegetation is the best defense against noxious weeds. Avoiding waste areas, overgrazing, disturbed ground and proper care of existing vegetation, will aid in keeping noxious weeds away.

Spring 

Summer 

Fall

Chemical mid-April -mid-June (depending on plant stage) Mowing Flower Stage Chemical Around the First Frost Oct. 1 - Dec. 1
before "ground freeze"






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