Product

Rate

PHI*

Comments

Rovral WP

(iprodione)

Note:  Registration cancelled.  Last date of use for remaining stocks is June 21, 2021

Group 2

Cabbage: 7
Cauli:  5

• REGISTERED ON STORED CABBAGE AND CAULIFLOWER ONLY.
• For stored cabbage, apply 7 to 14 days before harvest.
• For cauliflower, apply 1 to 2 days prior to tying.
• Do not make more than 1 application per season.

Switch 62.5 WG

• Suppression only.
• REGISTERED ON CABBAGE ONLY.
• Apply at first appearance of disease and continue on 7 to 10 day intervals.
• Do not make more than 2 sequential applications of Switch or other fungicides in the same group (9 or 12) in a season.
• Do not apply more than 2.9 kg of product/ha/year.
• Do not apply more than 3 times per year.
• Observe a 30 day plantback interval for crops not listed.
• Do not enter treated area for 12 hours.

Inspire

• Do not apply more than 2.04 L/ha per crop per season.
• Repeat at a 10 day interval.
• Do not apply more than 2 sequential treatments without switching to another mode of action.
• Observe a plantback interval of 8 months for crops not on label.
• Do not enter treated area for 3 days for hand harvesting, 1 day for scouting, and for all other activities 12 hours.
• May be tankmixed with Revus or Bravo 500 or Matador 120EC for labeled pests. Follow the most restrictive directions including rate, PHI, maximum applications and re-entry interval.

Quadris Top

(azoxystrobin/ difenoconazole)

Group 11 & 3

710 to 1000 mL/ha
(290 to 400 mL/acre)

Apply in150 L/ha (60 L/acre) of water.

• Repeat at 10 to 14 day intervals
• Do not apply more than 4 times per year.
• Do not re-enter treated areas for hand-harvesting for 3 days, or for scouting for 1 day.  For all other activities do not re-enter for 12 hours.
• Observe a plant back interval of 60 days for crops not listed on this label or the Inspire label. 

Quadris F

• REGISTERED ON CABBAGE ONLY.
• Suppression only.
• Repeat using a 7 to 14 day application interval.
• Do not make more than 3 applications per season.
• Do not apply more than 3.36 L/ha (1.36 L/acre) per season.
• Do not re-enter treated area for 12 hours.

Sercadis

(fluxapyroxad)

Group 7

• Suppression only.
• Repeat at 7 to 14 day intervals.
• Do not make more than 3 applications per season.
• Do not apply more than 1.0 L/ha (405 mL/acre) per season
• No more than 2 consecutive applications before alternating with a fungicide with a different mode of action.
• Do not enter treated area for 12 hours.
• For crops not listed, observe a plant back interval of 1 year.
•  

Serenade Opti

• Suppression only.
• Make first application immediately at emergence or immediately following transplanting.
• Repeat using a 10 to 14 day interval.
• Also suppresses white mould.  See White Mould section of this table.
• Serenade Opti and Serenade Max (PCP# 31666, 28549) are OMRI-Canada listed.  Check with your certification body before using in an organic operation.

Serenade Max

Aliette WDG

7

•  Maximum of 5 applications per crop season.
• Repeat at 7 to 14 day intervals.
• Do not enter treated area for 12 hours.
• Do not use within one week of a copper application.

Orondis

(oxathiapiprolin)

Group 49

175 to 350 mL/ha (70 to 140 mL/acre

Apply in 110 L/ha (45 L/acre) of water.

• do not use in the greenhouse.
• Repeat at 5 to 10 day intervals.
• Where multiple crop cycles are produced in the same year, do not make more than 6 applications/ha/year.
• Do not apply more than 1.40 L/ha (570 mL/acre) per season.
• Do not re-enter treated area for 12 hours.

Revus

• Use a non-ionic adjuvant (0.125% v/v).
• Repeat at 7 to 10 day intervals.
• Do not apply more than 4 times per year.
• Do not enter treated area for 12 hours.
• May be tank-mixed with Bravo 500. Observe most restrictive directions including rate, PHI and re-entry interval.

Presidio

• Tank-mix with a product that has a group number that is listed in this table for downy mildew. Observe most restrictive directions including rate, PHI and re-entry interval.
• Do not use in greenhouses.
• Repeat at 7 to 10 day intervals.
• Do not make more than 4 applications per season.
• Do not apply more than 880 mL/ha (356 mL/acre) per season.
• Do not enter treated area for 12 hours.

Pristine WG

• Suppression only.
• Repeat at 7 to 10 day intervals.
• Maximum of 4 applications per season
• Do not re-enter until residues have dried.

Reason 500 SC

• Suppression only.
• Repeat at 5 to 10 day intervals.
• Maximum 3 applications per season.
• Observe a plantback interval of 30 days for all crops.
• Do not enter treated area for 48 hours.

Forum

450 mL/ha
(180 mL/acre)

Apply in at least 200 L/ha (80 L/acre) of water.

• Suppression only.
• Apply as a tank mix with another fungicide in this table that is active against downy mildew. Observe most restrictive directions including rate, PHI and re-entry interval.
• Apply in at least 200 L/ha (80 L/acre) of water.
• Repeat at 7 day spray intervals.
• Maximum of 5 applications per season
• Do not re-enter to perform hand-harvesting or irrigation for 7 days, or for scouting for 5 days.  For all other activities, do not re-enter for 12 hours.
•  

Zampro

(ametoctradin & dimethomorph)

Group 40 & 45

• Repeat at 7 day intervals.
• Do not apply more than 3 times per season.
• Use a spreading/penetrating  adjuvant at the rate of 0.125% v/v.
• Do not use non-ionic surfactants such as Agral 90 or Induce.
• Do not re-enter for hand harvesting or irrigation for 6 days, or for scouting for 4 days.  For all other activities, do not re-enter for 12 hours.
• Do not use in greenhouses.
• Observe a plantback interval of 30 days for all crops not on the label.

Phostrol

(mono- and dibasic sodium, potassium, and ammonium phosphites)

Group 33

2.9 to 5.8 L/ha (1.2 to 2.3 L/acre)

Apply in 225 L/ha (90 L/acre) of water.

• Suppression only.
• Repeat at 7 to 21 day intervals.
• Do not make more than 4 applications per season.
• Do no re-enter treated area for 12 hours.

Rampart

(mono- and dipotassium salts of  phosphorous acid)

Group 33

3 to 7 L/ha (1.2 to 2.8 L/acre)

Apply in 300 to 500 L/ha (120 to 200 L/acre) of water.

• Suppression only.
• Repeat at 1 to 3 week intervals.
• For brassicas with one crop cycle per season, do no make more than 8 applications.
• For brassicas with multiple crop cycles per season, do not make more than 3 applications per crop cycle; and do not make more than 12 applications per season.
• Do not apply to plants that are dormant or heat stressed.
• Do not apply to plants treated with copper-based compounds at less than 20 day intervals.
• Do not apply when conditions favour wet tissue for periods longer than 4 hours.
• Do not re-enter treated area for 4 hours.

Confine Extra        

(mono- and di-potassium salts of phosphorous acid)

Group 33

3 to 6 L/ha
(1.2 to 2.4 L  /acre)

Apply in 100 L/ha (40 L/acre) of water.

• Suppression only.
• Repeat using a 7 to 21 day interval.
• Do not make more than 6 applications per growing season.
• Tankmixing with pesticide products containing a metal base and/or micronutrients may not be compatible and could potentially cause plant injury.  See label for details.

Torrent

• Suppression only.
• Repeat as a foliar broadcast at 7 to 10 day intervals.
• Do not apply more than 5 times per crop per year.
• Tankmix with a non-ionic or organosilicone surfactant such as Sylgard 309 at a the rate of 0.15 L/ha (60 mL/acre).
• Do not enter treated area for 12 hours.
• Also controls Pythium Root Rot and Pythium damping-off when applied as a soil drench to greenhouse transplants for field production.  See Pythium Root Rot section of this table for details.

Bravo 500

• Apply on a 7 to 10 day schedule.
• Do not enter treated area for 48 hours.

Copper 53W

• ALSO REGISTERED FOR BACTERIAL LEAF SPOT (PSEUDOMONAS SPP.) ON BRUSSELS SPROUTS.

For Brussels Sprouts:

• Apply no more than 2 times per season.
• Repeat at a 14 to 21 day interval
• Apply in 1000 L/ha (405 L/acre) of water.

Echo 90 DF

• Repeat at 7 to 10 day intervals.
• Do not apply more than 5 times per season.
• Do not enter treated area for 48 hours.
• Do not apply within 10 days before or after an oil application.
• Apply in 50 to 1600 L/ha (20 to 650 L/acre) of water

Echo 720

Allegro 500F

• Apply 100 mL of solution per plant immediately after transplanting.
• Do not follow with a pre-transplant treatment.
• Do not enter treated area for 24 hours.
• Apply in 100L of water.

• Apply in a minimum band of 25cm along the planting row and incorporate to a depth of 15 to 20cm with a precision incorporator in the same operation.
• Transplant the seedlings into the treated band. If planting to a bed, a broadcast application could be made prior to forming the bed.
• Do not follow with a transplant treatment.
• Do not enter treated area for 24 hours

Serenade Opti

• Suppression only.
• Make the first application at emergence, or immediately following transplanting.
• Repeat using a 10 to 14 day interval.
• Also suppresses downy mildew. See Downey Mildew section of this table.
• Serenade Opti and Serenade Max (PCP# 31666, 28549) are OMRI-Canada listed.  Check with your certification body before using in an organic operation.

Serenade Max

Pythium Root Rot (Pythium spp.)

Torrent

• REGISTERED ON GREENHOUSE BRASSICA LEAFY VEGETABLE (Crop Group 5) TRANSPLANTS FOR FIELD PRODUCTION.
• Also controls Pythium damping-off.
• Apply once in the greenhouse as a soil drench to thoroughly wet the growing medium immediately after seeding.
• Do not use a surfactant.
• Do not enter treated area for 12 hours.
• Also suppresses downy mildew when applied as a foliar spray to leafy brassica vegetables (Crop Group 5) in the field.  See Downy Mildew section of this table for details.

Serenade Soil

• Suppression only.
• Also suppresses Rhizoctonia damping-off.
• May be applied as a surface application to direct-seeded crop or as a tranplant drench.
• Serenade Soil (PCP# 30647) is OMRI-Canada listed.  Check with your certification body before using in an organic operation.

Transplant drench:

• Apply as a drench at the time of transplanting.
• Apply at a rate to thoroughly soak the growing media through the root zone or asa drench or directed spray using sufficient water to soak the root zone.

Surface Application:

• Apply as a 15 cm band over the top of the seed row as a broadcast spray after planting.
• Ensure incorporation into the seed zone within 24 hours of application via rainfall or overhead irrigation.

Post-plant applications:

• Additional applications may be made to the soil as a drench or spray directed towards the base of the plant.
• Irrigate to move material into the seed, root or transplant zone within 24 hours.
• Repeat at 21 to 28 day intervals.

Aliette WDG

(fosetyl-aluminum)

Group 33

• REGISTERED ON GREENHOUSE BROCCOLI AND CABBAGE TRANSPLANTS ONLY.
• Controls only damping off caused by Pythium spp.
• Apply as a drench.
• Make first application during the propagation stage.
• For control of late damping off, repeat 7 days prior to transplanting.
• Do not enter treated area for 12 hours.
• Do not use within one week of a copper application.

*PHI = Pre-harvest interval.
BUFFERS – Refer to product label for buffer requirements. See also Pesticide Regulations and Safety section of this guide.
PESTICIDE GROUP DETAILS – see Pesticide Toxicity Table of this guide.

OMRI-Canada = Organic Materials Review Institute of Canada