PCP #27984 · Isk Biosciences Corporation · Fungicide
Group 21 suspension concentrate fungicide containing cyazofamid at 400 g/L for control and suppression of various oomycete diseases including late blight, downy mildew, Pythium, and Phytophthora in potatoes, vegetables, turf, grapes, and greenhouse crops.
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 | – |
| Bean | Downy mildew (Phytophthora phaseoli), Cottony leak (Pythium aphanidermatum), Phytophthora blight (Phytophthora capsici) - suppression | 0.081 L/acre | 0 d | – |
| Brassica | Downy Mildew (Peronospora parasitica) (Suppression only) | 0.081 L/acre | 1 d | – |
| Bulb Vegetables | Downy mildew (Peronospora destructor) | 0.081 L/acre | 0 d | – |
| Carrot | Cavity Spot, Root Dieback/Forking (Pythium spp.) (Suppression Only) | 0.178 L/acre | 30 d | – |
| Cucumber | Downy Mildew (Pseudoperonospera cubensis) | 0.061–0.081 L/acre | 1 d | – |
| Cucurbit Vegetables | Downy Mildew (Pseudoperonospera cubensis) | 0.061–0.081 L/acre | 1 d | – |
| Grape | Downy mildew (Plasmopara viticola) | 0.061–0.081 L/acre | 30 d | 144 d |
| Lettuce | Downy mildew (Bremia lactucae) - suppression | 0.081 L/acre | 0 d | – |
| Pepper | Phytophthora blight, crown rot and root rot caused by Phytophthora capsici | 25 mL/100L | 0 d | – |
| Potato | Late blight (Phytophthora infestans) | 0.04–0.081 L/acre | 7 d | – |
| Spinach | White rust (Albugo occidentalis) Suppression only |
| 0.061–0.081 L/acre |
| 1 d |
| – |
| Tomato | Late blight (Phytophthora infestans) | 0.061–0.081 L/acre | 0 d | – |
| Tomato | Late blight (Phytophthora infestans) | 0.04–0.081 L/acre | 1 d | – |
| Tomato | Pythium Damping-off and root rot (Pythium spp.) | 30 mL/100L | 60 d | – |
| Tomato | Pythium Damping-off and root rot (Pythium spp.) | 30 mL/100L | 40 d | – |
| Tomato | Pythium Root Rot (Pythium spp.) | 25 mL/100L | 0 d | – |
| Turf | Pythium blight (Pythium aphanidermatum), Pythium damping-off (Pythium spp.), Pythium root dysfunction (Pythium volutum) | 14.3–26.6 mL/100m2 | – | – |
Adjuvant requirements, compatibility notes, and mixing restrictions from the official label. Always confirm against the official label PDF before mixing.
| Guidance | Adjuvant | Rate |
|---|---|---|
| Recommended | SYLGARD OFX-0309 Fluid Cyazofamid 400SC Fungicide 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 |
| Recommended | SYLGARD OFX-0309 Fluid Cyazofamid 400SC Fungicide 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 |
| Recommended | organosilicone surfactant, non-ionic surfactant, or blend of organosilicone and non-ionic surfactant If water volumes used are less than 500 litres 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 | – |
| Recommended | non-ionic or organosilicone surfactant Cyazofamid 400SC 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, a surfactant is not needed. | lowest label rate for water volumes below 600 L/ha (such as Xiameter OFX-0309 at 0.03% v/v) |
| Do not mix | surfactant (in tank mix for turf) Do not tank mix with a surfactant for use on turf | – |
| Do not mix | surfactant (for grapes application) Do not use any surfactant with this application | – |
| Do not mix | surfactant Do not use any surfactant with this drench application. (Greenhouse pepper - Phytophthora blight soil drench) | – |
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.
