These tables summarize pest control products labelled on flue-cured tobacco on December 1 2022 and is intended as a guideline only. Always review detailed comments on each product in the tobacco section of the Ontario Crop Protection Hub, and consult the most current version of the product label prior to use. Some products listed here may not be acceptable to all tobacco companies. Before applying any product, growers should always verify acceptability to their contracting companies.

Table 1 - Preplant fumigants for flue-cured tobacco in Ontario. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. Fumigants have special requirements and considerations for application - refer to the section on Fumigation in the Ontario Crop Protection Hub, Tobacco Supporting Information, for more information.

Active ingredient Trade Name Broadcast Rate Notes
GREENHOUSE - FALL SEEDBED TREATMENT
dazomet Basamid 3.1 kg/100 m2 Apply in fall. Consult product label for detailed safety and re-entry requirements. Not as effective as steaming for control of black root rot.
metam sodium Vapam HL 7.1 L/100 m2
FIELD - PREPLANT SOIL TREATMENT
metam sodium Busan 1020 65-125 L/ha (banded) Controls nematodes, weeds and certain soil-borne diseases. Consult label for detailed safety and re-entry requirements.
Busan 1236 50-97 L/ha (banded)
Vapam HL 48.4-93.1 L/ha (banded)
chloropicrin Chloropicrin 100 93 L/ha (broadcast) Controls nematodes and certain soil-borne diseases.  Consult label for detailed safety and re-entry requirements.
Pic Plus 108 L/ha (broadcast)

Table 2 - Pest control products for use in flue-cured tobacco greenhouses in Ontario. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

IRAC/ FRAC Group Trade Name (Active Ingredient) Broadcast Rate REI  PHI Max apps /yr Notes
FUNGICIDES
1 Senator 50SC (thiophanate-methyl) 126 mL/300 L water/100m2 6 d/12 h 65 d 2 Rhizoctonia
4 Ridomil Gold 480SL (metalaxyl) 12 mL/100 L water/100m2 12 h NS NS Pythium. Do not use in float tray systems.
INSECTICIDES
3 Decis 100 EC (deltamethrin) 2 ml/15 L water/100m2 12 h 45 d 3 Cutworms
UP-Cyde 2.5 EC (cypermethrin) 4.8 mL/15 L water/100m2 12 h NS NS

 

 Table 3 - Preplant (soil and cover crop) insecticides for use in flue-cured tobacco fields in Ontario. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

IRAC Group Trade Name (Active Ingredient) Broadcast Rate REI PHI  Max Apps /yr Notes
3 Up-Cyde 2.5EC (cypermethrin) Cover Crop: 140 mL/ha  Soil:             280 mL/ha

12 hr

 60 d (wheat) 30 d (barley) 21 Cutworm. Do not use treated cover crop as green feed for animals. For soil - use higher rate when soil is dry.
Decis 100EC (deltamethrin) Cover Crop:  50 mL/ha  Soil:                100-200 mL/ha 12 hr 45 d 11
Pounce 384EC (permethrin) Cover Crop: 175 mL/ha  Soil:           175-350 mL/ha 12 hr 55 d 21

1 For products with multiple options for application (e.g. cover crop, soil, planting water or field), maximum applications refer to the total applied to the field area, regardless of type.    

Table 3 - Planting water insecticides for use in flue-cured tobacco fields in Ontario. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

IRAC Group Trade Name (Active Ingredient) Broadcast Rate REI PHI  Max Apps /yr Notes
1B Orthene 97SG (acephate) 850-1315 g/ 1200 L water/ha See Hub1 3 d 12 Cutworm, root maggot. Wireworm (at lower rate)

 1 Product REI depends on activity. Refer to product card in Ontario Crop Protection Hub, Flue-cured tobacco crop protection or product label for details.                          2 For products with multiple options for application (e.g. cover crop, soil, planting water or field), maximum applications refer to the total applied to the field area, regardless of type.       

Table 3 - In-season foliar insecticides for use in flue-cured tobacco fields in Ontario. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

IRAC Group Trade Name (Active Ingredient) Broadcast Rate REI PHI  Max Apps /yr Notes
1A

Sevin XLR (carbaryl)

2.0-2.75 L/ha

 See Hub1 3 d 2 Cutworm, hornworm, flea beetle. Avoid excess application in plant bud.
1B

Orthene 97SG (acephate)

Cutworm:   1160g/ha

Aphids, Flea beetles, hornworms:  580-850 g/ha

 See Hub1 3 d 22 Cutworm, aphid, flea beetle, hornworm.
 

Malathion 85E (malathion)

735-975 mL/ha

 12 hr 7 d 1 Aphids.
3 Up-Cyde 2.5EC (cypermethrin) 280 mL/ha

12 hr

 NS 22 Cutworms.
Decis 100EC (deltamethrin) 100 mL/ha 12 hr 45 d 12
Pounce 384EC (permethrin) 175 mL/ha 12 hr 55 d 22
4 Aceta 70WP,  Assail 70WP  (acetamiprid) 56-86 g/ha

12 hr

 1 d  2 Aphids
Admire 240F (imidacloprid) 200 mL/ha

12 hr

 14 d 1
11 Dipel WP        (B.thuringiensis) 110-275 g/ha

12 hr

 NS NS Hornworm.
Bioprotec Plus  (B.thuringiensis) 0.4-0.7 L/ha

4 hr

 0 d NS
Thuricide HPC   (B.thuringiensis) 0.75-1.5 L/ha

12 hr

 0 d  NS

 1 Product REI depends on activity. Refer to product card in Ontario Crop Protection Hub, Flue-cured tobacco crop protection or product label for details.                           2 For products with multiple options for application (e.g. cover crop, soil, planting water or field), maximum applications refer to the total applied to the field area, regardless of type.                                                  

Table 4 - Disease control products for use in flue-cured tobacco fields. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

FRAC Group Trade Name (Active Ingredient) Broadcast Rate REI PHI Max Apps/yr Notes
11 Quadris,             
Azoshy 250 SC (azoxystrobin)		 870 mL/ha 12 hr 21 d 2 (blue mold), 1 (target spot) Blue mold (control), target spot (suppression only)
Reason 500 SC (fenamidone) 400-600 mL/ha 12 hr 30 d 1600 mL product/ha/yr Blue mold
43 Presidio (fluopicolide) 292 mL/ha 12 hr 7 d 2 Blue mold. Must be tank mixed.
P07 Aliette WDG (fosetyl-Al) 2.5-3.25 kg/ha 12 hr 5 d 10 kg product/ha/yr Blue mold

Table 5 - Sucker and weed control products for use in flue-cured tobacco fields. Product overview only - refer to product cards in Ontario Crop Protection Hub and product labels for detailed information. Verify acceptability of all products with contracting company prior to using. 

Legend: d = days, hr = hours, NS = not supplied on product label

Group Trade Name (Active Ingredient) Broadcast Rate REI PHI Max Apps/ yr Notes
 SUCKER CONTROL
 n/a

Chiptac,      Delete,        Emtrol Ten,      Fair Tac,        Pfizol-10     

(fatty alcohol present as n-decanol)

Before topping:  17 L/ha

After topping: 20 L/ha

  48 hr NS  1-2 (see label) Consult label for specific instructions on use and avoiding crop injury.
WEED CONTROL - PREPLANT
 9 Various products (glyphosate)  Depends on product and weed species  Consult product cards or label.   Apply prior to transplant.
WEED CONTROL - POST TRANSPLANT
 1 Venture L (fluazifop-p-butyl and S-isomer)  0.6-1 L/ha   12 hr 45 d  1  See weed control section of Hub for weeds controlled.
 15  Devrinol 2-XT 4.69-9.38 L/ha 12 hr NS 1