Table of Contents

Table 2.5-3.

Table 2.5-3. Characteristics of “burndown” herbicides for no-till small grains
Herbicide Rate/A lb ai/A Comments
  1. Various formulations of this product are available. Refer to current product label for active ingredient concentration, application rate, and other restrictions.
Clarity 4S/Banvel 4S (dicamba) 4 fl oz 0.125 May apply before, during, or after planting for control of emerged and actively growing weeds. The 4 fl oz rate controls small annual broadleaf weeds. Clarity/Banvel may be used at greater than 4 fl oz prior to planting wheat; however, for each pt/A of Banvel applied, delay crop planting for 20 days.
Gramoxone Inteon 2S (paraquat) (paraquat) 2–4 pt 0.5–1.0 Apply in 20–60 gal/A for control of emerged annual weeds. Add 8–32 oz nonionic surfactant/100 gal of spray. Phosphate-containing liquid fertilizer solutions diminish paraquat activity if used as a carrier. Use appropriate precautions when handling paraquat to minimize exposure to the herbicide. Do not use flood jet tips larger than size 20 or spacing greater than 40 inches. (Gramoxone is a restricted-use pesticide.)
Touchdown Total 4S¹ (glyphosate) 24–75 fl oz 1–3 Apply before, during, or after planting but before crop emergence. Use the low rate for annual weeds up to 6 inches tall and higher rates for weeds taller than 6 inches.
Roundup 3S1/glyphosate¹
or
Roundup Weathermax 4.5S		 1–3 qt

22–70 fl oz		 1–3 Apply before, during, or after planting but before crop emergence. Use the low rate for annual weeds up to 6 inches tall and higher rates for weeds taller than 6 inches.
Harmony Extra SG 50DF 0.45–0.9 oz 0.014–0.028 For use in wheat, barley, and oat. Apply burndown treatment before or shortly after planting but before small grain emergence.