PCP #30392 · Isk Biosciences Corporation · Fungicide
Group 21 agricultural fungicide (cyazofamid 400 g/L suspension) for control or suppression of oomycete diseases including downy mildew, Phytophthora, Pythium and white rust on vegetables, grapes, hops, caneberries, basil, greenhouse crops and ornamental plants.
Crop × pest × application rate combinations from the official label. Rates converted to per-acre. PHI is the pre-harvest interval; REI is the restricted-entry interval. Always confirm against the official label PDF before applying.
| Crop | Target | Rate | PHI | REI |
|---|---|---|---|---|
| Basil | Downy mildew (Peronospora belbahrii) | 0.081–0.089 L/acre | 0 d | 12 d |
| Bean | Downy mildew (Phytophthora phaseoli); Cottony leak (Pythium aphanidermatum); Phytophthora blight (Phytophthora capsici)-suppression | 0.081 L/acre | 0 d | 12 d |
| Brassica Leafy Vegetables | Downy Mildew (Peronospora parasitica) (Suppression only) | 0.081 L/acre | 1 d | 12 d |
| Bulb Vegetables | Downy mildew (Peronospora destructor) | 0.081 L/acre | 0 d | 12 d |
| Carrot | Cavity Spot, Root Dieback/Forking (Pythium spp.) (Suppression Only) | 0.178 L/acre | 30 d | 12 d |
| Cucumber | Downy Mildew (Pseudoperonospera cubensis) | 0.061–0.081 L/acre | 1 d | 12 d |
| Cucurbit Vegetables | Downy Mildew (Pseudoperonospera cubensis) | 0.061–0.081 L/acre | 1 d | 12 d |
| Grape | Downy mildew (Plasmopara viticola) | 0.061–0.081 L/acre | 30 d | 12 d |
| Hops | Downy Mildew (Pseudoperonospora humuli) | 0.061–0.081 L/acre | 3 d |
| 12 d |
| Juniper | Root rot caused by Phytophthora cinnamomi (suppression) | 25 mL/100L | – | 12 d |
| Lettuce | Downy mildew (Bremia lactucae)-suppression | 0.081 L/acre | 0 d | 12 d |
| Loganberry | Phytophthora root rot (Phytophthora rubi) | 0.101 L/acre | 90 d | 12 d |
| Ornamentals | Downy mildews caused by Peronospora spp. | 164–273 mL/1000L | – | 12 d |
| Ornamentals | Phytophthora crown and root rot | 234–468 mL/1000L | – | 12 d |
| Ornamentals | Phytophthora foliar blights | 234–468 mL/1000L | – | 12 d |
| Ornamentals | Pythium crown and root rot | 117–234 mL/1000L | – | 12 d |
| Pepper | Phytophthora blight, crown rot and root rot caused by Phytophthora capsici | 25 mL/100L | 0 d | 12 d |
| Spinach | White rust (Albugo occidentalis) Suppression only | 0.061–0.081 L/acre | 1 d | 12 d |
| Tomato | Late blight (Phytophthora infestans) | 0.061–0.081 L/acre | 0 d | 12 d |
| Tomato | Late blight (Phytophthora infestans) | 0.04–0.081 L/acre | 1 d | 12 d |
| Tomato | Pythium Damping-off and root rot Pythium spp. | 30 mL/100L | 60 d | 12 d |
| Tomato | Pythium Damping-off and root rot Pythium spp. | 30 mL/100L | 40 d | 12 d |
| Tomato | Pythium Root Rot (Pythium spp.) | 25 mL/100L | 0 d | 12 d |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at 4:3 ratio (TORRENT | 4:3 ratio (TORRENT ...) |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the rate of 0.15 L/ha. | 0.15 L/ha |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the at the manufacturer's label recommendations. | manufacturer's label recommendations |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC Agricultural Fungicide should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the manufacturer's label recommendations. | manufacturer's label recommendations |
| Required | SYLGARD OFX-0309 Fluid For all foliar applications, TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the manufacturer's label recommendations. | at the manufacturer's label recommendations |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the manufacturer's label recommendations. | at the manufacturer's label recommendations |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at 0.15 L/ha. | 0.15 L/ha |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at the manufacturer's label recommendations. | manufacturer's label recommendations |
| Required | SYLGARD OFX-0309 Fluid TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant (such as Sylgard OFX-0309) at 0.15 L/ha. | 0.15 L/ha |
| Required | Xiameter OFX-0309 TORRENT 400SC Agricultural Fungicide should be tank-mixed with a non-ionic or organosilicone surfactant at the lowest label rate for water volumes below 600 L/ha (such as Xiameter OFX-0309 at 0.03% v/v). At water volumes above 600 L/ha, surfactant is not needed. | 0.03% v/v (lowest label rate for water volumes below 600 L/ha) |
| Required | non-ionic or organosilicone surfactant TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant at the lowest label rate for water volumes below 600 L/ha (such as Xiameter OFX-0309 at 0.03% v/v). At water volumes above 600 L/ha, a surfactant is not needed. | lowest label rate; 0.03% v/v for water volumes below 600 L/ha |
| Required | non-ionic or organosilicone surfactant TORRENT 400SC Agricultural Fungicide should be tank-mixed with a non-ionic or organosilicone surfactant at the lowest label rate for water volumes below 600 L/ha (such as Xiameter OFX-0309 at 0.03% v/v). At water volumes above 600 L/ha, surfactant is not needed. | lowest label rate; 0.03% v/v for water volumes below 600 L/ha |
| Required | organosilicone surfactant, non-ionic surfactant, or blend If water volumes used are less than 500 liters per hectare, an organosilicone surfactant should be added when the disease infection is severe, or a non-ionic surfactant or a blend of an organosilicone and a nonionic surfactant should be added when disease infection is moderate or light. | according to the manufacturers label recommendations |
| Required | Xiameter OFX-0309 TORRENT 400SC should be tank-mixed with a non-ionic or organosilicone surfactant at the lowest label rate for water volumes below 600 L/ha (such as Xiameter OFX-0309 at 0.03% v/v). At water volumes above 600 L/ha, a surfactant is not needed. | 0.03% v/v (lowest label rate) for water volumes below 600 L/ha; not needed above 600 L/ha |
| Recommended | organosilicone surfactant If water volumes used are less than 500 liters per hectare, an organosilicone surfactant should be added when the disease infection is severe | at the manufacturer's label recommendations |
| Recommended | non-ionic surfactant or a blend of an organosilicone and a nonionic surfactant a non-ionic surfactant or a blend of an organosilicone and a nonionic surfactant should be added when disease infection is moderate or light | according to the manufacturers label recommendations |
| Do not mix | any surfactant (with soil drench application) Do not use any surfactant with this drench application (Greenhouse pepper Phytophthora drench) | – |
| Do not mix | any surfactant (with drench application - Greenhouse tomato Pythium Root Rot) DO NOT use any surfactant with this drench application. | – |
| Do not mix | any surfactant (with drip irrigation application - Greenhouse tomato Pythium Root Rot) DO NOT use any surfactant with this drip irrigation application. | – |
| Do not mix | any surfactant (with soil drench application - Caneberry Phytophthora root rot) Do not use any surfactant with this drench application. | – |
| Do not mix | any surfactant (with this application) Do no use any surfactant with this application. | – |
| Do not mix | surfactant at water volumes above 600 L/ha (Greenhouse tomato Late blight) At water volumes above 600 L/ha, surfactant is not needed. | – |
| Do not mix | surfactant DO NOT use any surfactant with this drench application. DO NOT use any surfactant with this drip irrigation application. (Greenhouse tomato – Pythium Root Rot drench and drip irrigation) | – |
About this content. This page presents the official PRD label as published by Health Canada's Pesticides Regulatory Directorate (formerly the Pest Management Regulatory Agency), the source of record. Always read the official label and consult your provincial pesticide- application authority before use. Report an error.
