NON-CROP LAND AND SPECIAL WEED PROBLEMS


Weed Problem   Chemical   Pounds Active Ingredient (AI)/Acre   Amount of Commercial Product/Acre   Remarks and Limitations

Bare ground long-term control of annual and perennial weeds   bromacil
(HYVAR X 80W)
  2.5-9  
3-12 lb
  Use lower rate for control of annuals, higher rate for control of perennials. Bromacil is quite soluble in water and may move in runoff water to non-target areas. Therefore, do not use in or near turf, ornamentals or other plants of value.

  diuron
(KARMEX 80DF)
  15-20  
19-25 lb
  For use around buildings, storage areas, fence rows, etc. Apply in spring before weeds emerge.

  hexazinone
(VELPAR 90SP)
  1.8-4.5  
2-5 lb
  Use higher rate on hard-to-kill weeds, clay soils or soils containing more than 5% organic matter. Apply before or soon after weeds emerge. Will injure or kill perennials. Do not use around shade trees or ornamentals.

  imazapyr
(ARSENAL 2AS)
  1-1.5  
1-3 qt
  Apply to soil surface or existing vegetation. Controls most grasses, broadleaves, and deciduous brush and trees. One application will give season-long control.

  sulfometuron
(OUST 75DG)
  0.3-0.6  
0.4-0.8 lb
  Apply preemergence or early postemergence. Gives season-long control of most grasses and broadleaves. Avoid drift.

Annual and perennial broadleaves   dicamba
(BANVEL 4L)
  0.25-2  
0.25-2 qt
  Controls many annual and perennial herbaceous weeds. Check label for rate for specific weeds. Prevent drift to non-target areas.

Annual broadleaves   2,4-D
(several trade names and formulations)
  1.5-3  
--
  Apply to actively growing foliage. Use amine or low-volatile ester formulations. Check label for amount of product/acre. Avoid drift to non-target areas.

Emerged grasses   fluazifop-P
(FUSILADE DX 2E)
  0.25-0.38  
1-1.5 pt
  Apply to actively growing grasses. Use high rate on perennials and large annual grasses. Include 1 pt NIS or 1 qt COC/acre.

  sethoxydim
(POAST 1.5E)
  0.3-0.5  
1.5-2.5 pt
  Apply to actively growing grasses. Use high rate on perennials and large annual grasses. Include 1 qt COC/acre.

Emerged quackgrass   quizalofop
(ASSURE II 0.88E)
  0.08  
12 fl oz
  Apply to quackgrass 6-10 inches tall. Include NIS or COC. Make a second application 2-3 weeks later.

Emerged annuals   paraquat
(GRAMOXONE SL 2.0)
  0.5-1  
2-4 pt
  Apply to actively growing foliage. Include 1 pt NIS/100 gal. Can be used in combination with residual herbicides. RUP.

Perennial broadleaves and grasses   glyphosate
(ROUNDUP 4L)
  2-4  
2-4 qt
  Apply to actively growing foliage. Check label for most susceptlble stage of target weed.

  glyphosate.
(TOUCHDOWN 4L)
  2-4  
2-4 qt
  Apply to actively growing foliage. Include 1 pt NIS/acre plus 3-4 lb ammonium sulfate in 10-30 gal water/acre.

Yellow nutsedge   bentazon
(BASAGRAN 4L)
  0.75-1  
0.75-1 qt
  Apply in 20-40 gal water/acre and at least 40 PSI. Include 1 qt COC/acre. Apply when plants are 6-8 inches tall. Make a second application 7-10 days later.

  glyphosate
(ROUNDUP 4L)
  3-4  
3-4 qt
  Apply in 10-40 gal water/acre. Include 1 pt NIS/acre. Apply to actively growing nutsedge when at least 50% of the plants are in flower. Wait 7 days before tillage. Spot spray escapes 3-4 weeks later.

Brush control   2,4-D+
triclopyr
(CROSSBOW 3 lb/gal)
  2+
1
 
4 qt
  Apply to actively growing herbaceous or woody plants. Controls most broadleaf species.

  dicamba
(BANVEL 4L plus 2,4-D)
  2-4  
2-4 qt
  Apply 2-4 lb dicamba plus 4 lb 2,4-D amine or low-volatile ester in 100 gal water. Thoroughly wet leaves and branches of brush. Most effective during late spring and early summer.

  fosamine
(KRENITE 4 lb/gal)
  6-12  
6-12 qt
  Apply to brush in late summer or early fall. Response will be seen the following year. Thoroughly wet brush, but do not spray to runoff. Apply in 50 to 300 gal/acre. Avoid contact with non-target plants.

  triclopyr
(GARLON 4 lb/gal)
  4-8  
4-8 qt
  Use higher rates for hard-to-kill tree and brush species. Thoroughly wet leaves and bark of brush. Do not exceed 40 PSI pressure. Avoid contact with non-target species.