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Canada Thistle (Cirsium arvense) Control with Disking and Herbicides

Published online by Cambridge University Press:  12 June 2017

Robert L. Zimdahl
Affiliation:
Dep. Plant Pathol. and Weed Sci., Colorado State Univ., Fort Collins, CO 80523
Gus Foster
Affiliation:
Prod. Dev. Sandoz Crop Prot., Fort Collins, CO 80524

Abstract

Studies from 1985 to 1989 showed that disking 3, 7, 10, 14, or 30 d after applying chlorsulfuron, clopyralid, dicamba, glyphosate, picloram, or 2,4-D did not improve Canada thistle control in uncropped, dryland fields. Disking after a fall or after a fall plus a spring herbicide application did not influence Canada thistle control for any herbicide regardless of the time of herbicide application or the time between application and disking.

Information

Type
Research
Copyright
Copyright © 1993 by the Weed Science Society of America 

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