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Marestail Control in Kansas
Summary
• Timing is critical for marestail control.
- Greater success at controlling marestail with more herbicide options occurs when marestail is in the
rosette stage of growth.
- Controlling marestail after it has bolted is more difficult and there are fewer herbicide options.
• Use glyphosate, 2,4-D, dicamba, Sharpen, ALSinhibiting herbicides, and/or residual herbicides in fall
and early spring burndown in no-till soybeans and cotton.
• For in-crop soybeans, glyphosate tank-mixes with First Rate, Synchrony, or Classic provide the best control of bolted marestail.
• Liberty can provide good control of bolted marestail as a preplant treatment or postemergence in Liberty
Link soybeans or cotton.
• Control marestail in wheat with growth-regulator herbicides, ALS-inhibiting herbicide, or Huskie.
• Atrazine, growth-regulator herbicides, and HPPD herbicides can be used to control marestail in corn or
sorghum.
• Combining herbicides with good efficacy on marestail often provides the best control.
• Use the full herbicide rates, recommended spray adjuvants, and adequate spray volumes to optimize
herbicide performance.
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