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. Limited to 2 applications per year. Do not exceed 2.4 pints per acre (1.2 lb ae) per application. Avoid contact with vines.
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. Note: spot spray allowed with Roundup Power Max to weeds in dormant vines with a 0.4 to 0.7 percent solution. Wet vegetation only; do not spray to the point of runoff. See label for more detailed instructions and warnings. Avoid contact with vines.
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. Avoid contact with vines.
Site of action Group 9: inhibits EPSP synthase
Chemical family None generally accepted