Swab or Wick Treatment

2,4-D, dimethylamine salt (Weedar 64)

Rate 33% solution for wick wiper

Time Apply after fruit set. Preharvest interval is 30 days. Apply when weeds are actively growing and at least 6 inches taller than cranberries.

Caution Preharvest interval is 30 days. Apply only once per year. Do not exceed 2.5 pints per acre per application.

Site of action Group 4: synthetic auxin

Chemical family Phenoxy acetic acid

clopyralid (Stinger)

Rate 2% solution for wick wiper

Time Use after bud break to control late-emerging weeds.

Remarks Apply to target weeds, avoiding any contact with vines. Special local needs labels WA-030006 and OR-030009.

Site of action Group 4: synthetic auxin

Chemical family Pyridine

glyphosate (several products)

Rate 20% solution for wick wiper

Time Apply after fruit set. Preharvest interval is 30 days. Apply when weeds are actively growing and at least 6 inches taller than cranberries.

Remarks See label for growth stage of specific weeds. Re-treatment may be necessary. Slower ground speed and/or application with wick to both sides of dense infestations may improve results. Avoid drips or contact with desirable foliage. Inhibits three amino acids and protein synthesis.

Site of action Group 9: inhibits EPSP synthase

Chemical family None generally accepted

glyphosate (several products)

Rate Apply a 50% solution for woody brush control in and around cranberry bogs

Time Cut stump treatments

Caution Preharvest interval is 30 days.

Site of action Group 9: inhibits EPSP synthase

Chemical family None generally accepted