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 |
| 1B |
Lorsban 4E, Lorsban NT, Pyrinex 480EC, Sharphos, Warhawk 480EC (chlorpyrifos) |
Cover Crop: 1.125-1.2 L/ha Soil: 2.4-4.8 L/ha |
24 hr | 60 d | 11 | Cutworm. For soil - use higher rate when soil is dry. Last date of use 2023-12-09. |
| 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. |
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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) |
|
Lorsban 50W (chlorpyrifos) |
137.5 g/1000 L water | 24 hr | NS | 1 | Root maggot only. Last date of use 2023-12-09. | |
|
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. |
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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. |
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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 | |