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

Preemergence   s-metolachlor
0.67-1.33 pt
  Apply before or after transplanting, or to dormant strawberry in the spring, or after renovation. May be applied before laying plastic or to row middles after laying plastic. Use lower rate on coarse soils. Needs moisture for activation. 4-5 weeks of control of annual grasses, nightshade, pigweeds, and nutsedge. 30 day PHI. MI 24c indemnified label.

Preemergence in spring or at renovation   acifluorfen
1.5 pt
  Apply as a broadcast spray after bed renovation. Make another application when plants are dormant in late fall. Maximum 3 pt/acre/year. 120 day PHI

3 oz
  Apply as a directed spray to row middles for preemergence control of annual broadleaves. Avoid contact with the crop. Do not apply after fruit set.

6-8 lb
  Apply before weeds emerge to newly transplanted or established crop as a broadcast surface spray. Light rain or irrigation after application will improve weed control. May inhlbit daughter plant establishment.

(PROWL H20 3.8 ACS)
1.5-3.0 pt
  Apply before or soon after transplanting. Apply to established strawberry during dormancy. At renovation, apply before new leaves emerge. Maximum 6 pt/acre/year. 35 day PHI.

  0.125 - 0.25  
4 - 8 fl oz
  Apply before or after transplanting, or at renovation, or at spring or fall dormancy. Maximum 2 applications and 12 fl oz/acre/year. Do not use on sand with <1% OM. For control of field pansy, groundsel, mayweed, pigweed, woodsorrel, white campion, wild buckwheat. 70 day PHI. Michigan 24c label.

2-8 oz
  NEW PLANTINGS. Apply 2-3 oz after transplanting but before new runners start to root. If plants develop leaves before application, follow application with 0.5-1 inch irrigation to avoid crop injury. In late summer, apply 2-6 oz, or apply 2-4 oz just before mulching in late fall.

ESTABLISHED PLANTINGS. After renovation, apply 4-8 oz, or apply 4-8 oz just before mulching in late fall.

Postemergence annuals   paraquat
2 pt
  Apply as a directed spray, using shields to protect strawberry plants. Do not allow spray to contact strawberry plants. 21-day PHI. RUP.

Postemergence broadleaves   2,4-D amine salts
(FORMULA 40 (3.8L))
1 qt
  Apply after harvest at renovation (after mowing). Do not apply to actively growing plants after August 1 or misshapen fruit may be produced the next season.

5.3-10.7 fl oz
  Apply in spring or fall. Controls composite weeds, legumes. Maximum 2 applications and 10.7 fl oz/acre/year. Use low rate in spring. 30-day PHI. MI 24c label.

Postemergence grasses   clethodim
9-16 fl oz
  Apply to actively growing grasses. Do not exceed 64 fl oz/acre/year. Include 0.25% NIS/acre. 4-day PHI.

(POAST 1.5E)
1-2 pt
  Apply to actively growing grasses. Use high rate on perennial grasses. Include 1 qt COC/acre. 7-day PHI.

Postemergence perennials   glyphosate
1-2 qt
  Apply before planting to kill perennials, or as a hooded or directed application between rows. 14 day PHI.