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In Wheat, Continuous Wheat
General Treatment Info
Treat bindweed in stubble within 2 weeks after harvest to actively growing bindweed with a tank mix of eight ounces of Picloram (Tordon 22k or Outpost 22K) with 32 ounces 4# 2,4-D Amine per acre. Apply these herbicides at least 60 days before planting wheat in the fall to avoid stunting of wheat. Allow bindweed to brown out before tillage of stubble after treatment.

Dry and hot weather conditions during herbicide application may cause less bindweed root kill.

Other Mixes
Picloram may be applied tank-mixed with Landmaster instead of 2,4-D to control other broadleaf weeds and grasses in the stubble. Landmaster is not available for cost share through the County.

Notes
  • When using a tankmix of Picloram and 2,4-D Amine, avoid overlapping treatments at the end of spray swaths when you turn your sprayer around  to avoid damage to wheat.
  • Some stunting of wheat may occur if rates exceed a half a pint of Picloram in the planting year, even with the 60 day waiting period.
  • Caution: Stunting of wheat may occur if Picloram is used on soils with low organic matter or land that receives little rain after treatment. The Finney County Weed Department recommends that use be limited to eight ounces Picloram per acre and that at least 90 days pass after spraying before planting wheat if such conditions may exist.
  • Increased yields on bindweed infested acres will more than pay for treatments with Picloram and 2,4-D Amine (Average yield is decreased by at least 30 bushels per acre when bindweed goes untreated).
  • Bindweed should be sprayed by ground application equipment with 20 gallons of water per acre or maximum amounts of surfactants when less than 20 gallons is used.
  • Persistence over the course of many years is the only thing that can kill an established bindweed plant.


Finney County
311 N. Ninth St. | Garden City, Kansas 67846 | Ph. (620) 272-3500 | Fx. (620) 272-3599
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