Musk Thistle Management Action List

Musk Thistle Management Action List

 

Table 1 Herbicide recommendations for control of invasive thistles in Oklahoma.     
a 2,4-D, GrazonNext®, Grazon P+D and Weedmaster® are labeled for pastures and rangelands. Escort®, Transline® and Vanquish® are labeled for non-cropland. Grazon P+D is a restricted use pesticide. Read labels for specific information and guidelines prior to using the product.
b Check your dealer for updated prices.
c Control includes killing the actively growing plant and preventing it from producing seed. Best results are obtained with spring applications, so that fall and spring emerging seedlings are actively growing at the time of treatment. B = bull thistle, M = musk thistle and S = Scotch thistle.
Recommendations for controlling Thistlesc
Herbicides labeledaRateExpense LevelbFall - rosetteSpring - rosette
Pasture and Range
2,4-D Amine1 to 2 quarts/acre$MM
GrazonNext® 1.2 to 2.1 pints/acre$$B-M-SB-M-S
Grazon P+D2 to 4 pints/acre$$$B-M-SB-M-S
Weedmaster®1.5 to 2 pints/acre$$B-MB-M
Roadsides
Escort®1 oz./acre$$$$S
Transline®0.7 to 1.4 pt./acre$$$$M
Vanquish®1 to 2 pt./acre$$$$S

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OCES
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Oklahoma State University
Stillwater, OK 74078
OKLAHOMA STATE UNIVERSITY