To address the loss of
chlorpyrifos (Lorsban, last use date: December 10 2023) in Brassica crops for
control of cabbage maggot, emergency use registrations (EUR) were recently
approved for Success and Cimegra in Rutabaga and Cimegra in Head and Stem
Brassicas (broccoli, Brussel sprouts, cabbage, cabbage (Chinese, Napa), and
cauliflower) for cabbage maggot. Application instructions from the EUR
labels of each product can be found below.
|
|
Success Insecticide |
Cimegra |
Cimegra |
|
Active ingredient |
Spinoad |
Broflanilide |
Broflanilide |
|
Registration period |
May 17, 2024-May 16, 2025 |
May 21, 2024-May 20, 2025 |
May 17,
2024-December 31, 2024 |
|
Group |
5 |
30 |
30 |
|
Crop(s) |
Rutabaga |
Rutabaga |
Broccoli, Brussels
Sprouts, Cabbage, Cabbage (Chinese, Napa), and Cauliflower |
|
Insect |
Cabbage Maggot |
Cabbage Maggot |
Cabbage Maggot |
|
Application Instructions |
Soil drench at the rate of 273
mL/ha to 546 mL/ha (131 g/ha to 262 g/ha a.i,). For 76 cm (30-inch) plant row
spacing apply Success at 6 mL to 12 mL per 300 linear metres (1000 linear
feet). |
Apply 250 mL/ha1 of
Cimegra insecticide post-planting as a drench banded spray, 10 cm on each
side of the plant targeting the soil and base of plant to control cabbage
maggot. Use a minimum water volume of 1000 L/ha. |
Apply 187.5 – 250 mL/ha1 of Cimegra insecticide post-planting as a
drench banded spray, 10 cm on each side of the plant targeting the soil and
base of plant to control cabbage maggot. Use a minimum water volume of
1000 L/ha. |
|
Application Timing |
Begin applications when adult
activity is observed in or near the field. |
Apply at peak egg laying and
before the build-up of heavy pressure. |
Apply at peak egg laying and
before the build-up of heavy pressure. |
|
Application Rate |
273 - 546
mL/ha |
250 ml/ha1 |
187.5 - 250
ml/ha1 |
|
Applications Per Season |
2 (Max 1.1L/ha of Success
per year) |
2 (Max 500ml/ha of Cimegra
per year) |
2 (Max 500ml/ha of Cimegra
per year) |
|
Application Interval |
4 days |
10 days |
10 days |
|
REI |
12 hr |
12 hr |
12 hr |
|
PHI |
3 days |
40 days |
1 day |
1 1.9 mL/100 m of row for 76 cm (30”) row
spacing. For
a different row spacing, adjust the product rate using the following equation:
(row spacing (cm) / 90) x 2.3 mL = mL per 100 m of row.
To reiterate, Success can ONLY be used on Rutabaga for Cabbage maggot. Cimegra has been approved for use in both Rutabaga and Head and Stem Brassicas (broccoli, Brussel sprouts, cabbage, cabbage (Chinese, Napa), and cauliflower) for cabbage maggot but the application rates are different for each crop type. Full product labels can be found at the Pest Management Regulatory Agency (PMRA) Pesticide Label Search website, always read product labels before applying pesticides.