Print this section
Weeds
This section was updated - 06 September 2021
There are only a few herbicides registered for currants and gooseberries. Control perennial weeds prior to planting. Use of sawdust mulches will help suppress weeds. The following products are registered:
|
Annual Weeds |
Gramoxone
(20% paraquat) |
5.5 L/ha
(2.2 L/acre) |
-
Apply thoroughly to cover weed growth
-
Use as needed to burn off emerged vegetation but avoid spraying canes or emerging shoots as injury will occur.
|
|
Annual Weeds (Between the row only) |
Aim EC
(240 g/L carfentrazone-ethyl) |
37 to 117 mL/ha (15 to 47 mL/acre) |
-
Apply between the rows with a hooded sprayer to emerged weeds. Crop injury will occur if drift is allowed to come in contact with green stem tissue, leaves, blooms or fruit.
-
To improve control, apply with surfactants such as Agral 90 or Ag-Surf at 0.25% (0.25 L/100 L of water) or Merge at 1% (1 L/100 L of water).
-
Do not apply within 1 day of harvest.
|
|
Annual Grasses |
Poast Ultra
(450g/L sethoxydim) |
1.1 L/ha
(400 mL/acre) |
-
For control of quackgrass and annual grasses
-
Apply to actively growing grass that has 2-5 leaves
-
Apply with the adjuvant, Merge, at a rate of 1% of water volume used.
-
Do not apply within 15 days of harvest.
|
|
Broadleaf weeds and some grasses |
Authority (480 g/L sulfentrazone) |
0.29 L/ha (0.12 L/acre) |
-
Apply as a dormant application to bare soil in fall through spring, before weeds emerge.
-
Apply to crops that have been established for one full growing season and are in good health and vigor.
-
Requires 0.5 to 1.0 inch of water to activate; if adequate rainfall or irrigation is not received within 7 to 10 days after application, a shallow incorporation may be needed to obtain desired weed control.
-
Do not apply to frozen ground. Avoid direct or indirect contact with stems or foliage, particularly new emerging shoots from the crown.
-
Do not apply within 3 days of harvest.
|
