For spotted wing drosophila

Two insecticides have recently been registered for emergency use on spotted wing drosophila (SWD) on berry crops (crop group 13-07) and stone fruits (crop group 12) in Ontario.

Mako (cypermethrin) Group 3

For sale and use in British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador for suppression of Spotted Wing Drosophila on Berry Crop Group 13-07 A, F & G (excluding lowbush blueberries), Grapes and Stone Fruit Crop Groups from June 1, 2017 until November 30, 2017.

Directions for use:

Emergency Use Registrations: Stone fruit (apricot, sweet and sour cherry, nectarine, peach, plum); strawberry, raspberry, blackberry, grapes.

Rate: 150 mL/ha; Use sufficient water for thorough coverage. A small area should be treated before large areas are sprayed to evaluate crop tolerance.

Max # of Applications/year: 1

Application Interval: N/A

Days before harvest:

• All crops except hand harvested grapes: two days

• Hand harvested grapes: six days

Re-entry Interval: 

• Grapes: 14 days for girdling, six days for hand harvesting, training, tying and leaf pulling. 

• All other crops and/or activities: 12 hours

Precautions: Leave a 15 m buffer between the sprayed area and any body of water. Highly toxic to bees.

 

Malathion 85E Group 1B:

For sale and use in British Columbia, Alberta, Saskatchewan, Manitoba, Ontario, Quebec, Nova Scotia, New Brunswick, Prince Edward Island, and Newfoundland and Labrador for the control of Spotted Wing Drosophila on stone fruit and berries from June 1, 2017 until November 30, 2017.

Directions for use:

Emergency Use Registrations: Stone fruit (apricot, sweet and sour cherry, nectarine, peach, plum); Berries (strawberry, blueberry, raspberry, currant, gooseberry, blackberry); Grapes.

Rate 

• Stone fruit: 610-855 mL product/1000L of water

• Strawberry, Blueberry, Raspberry, Currant, Gooseberry, Blackberry: 1000ml product/ 1000L of water.

• Grape: 880 mL product per 1000L of water.

Use a maximum of 1000L of water per hectare.

Max # of Applications/year:

  • Stone Fruit, strawberry, raspberry, currant, gooseberry, blackberry:  two
  • Blueberry: three
  • Grape: one

Application Interval:  seven-10 days (Grape N/A)

Days before harvest:

• Stone fruit, strawberry, currant, gooseberry, grape: three days

• Blueberry: two days

• Raspberry, blackberry: one day

Re-entry Interval: 

• Grapes: four days for girdling and cane turning, three days for hand harvesting, two days for training, tying and leaf pulling. 

• All other crops and/or activities: 12 hours

More information on registered products and on spotted wing drosophila can be found at Ontario.ca/spottedwing.

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Publish date: 
Tuesday, June 13, 2017

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