J. Chaput, Minor Use Coordinator, OMAFRA
Syngenta Crop Protection Canada, Inc. and the Pest Management Regulatory Agency (PMRA) recently announced the registration of InspireTM (difenoconazole) Fungicide for several crops in Canada. These are the 1st foliar use registrations of this active ingredient in Canada and mark an important milestone in addressing the pest control product technology gap between the U.S. and Canada. This product and the diseases it controls have been identified for many years as a critical disease management tool needed by Canadian producers.
InspireTM Fungicide is registered for control or suppression of Alternaria blight and powdery mildew on Brassica vegetables; purple blotch on bulb vegetables; powdery mildew and gummy stem blight on cucurbit vegetables; powdery mildew on grapes; anthracnose and Alternaria on fruiting vegetables; fruit spot, cedar apple rust, quince rust, scab, sooty blotch and powdery mildew of pome fruit; Alternaria (early) blight on potatoes, sweet potatoes and artichokes and Cercospora leaf spot and powdery mildew on sugarbeets. The following table provides a summary of the crop registrations on the new Canadian InspireTM Fungicide label. Consult the full product label for detailed instructions, precautions and restrictions.
|
Crop or Crop Group |
Product rate (mL / ha) |
Remarks |
Pre-harvest interval |
|
InspireTM Fungicide |
|||
| Crop group 5: Brassica vegetables [broccoli, Brussels sprouts, cabbage, cauliflower, Chinese broccoli, Nappa cabbage, mustard cabbage, kohlrabi, bok choy, collards, kale, mizuna, mustard greens] |
364 – 512 |
Alternaria, powdery mildew: apply InspireTM Fungicide prior to disease onset when conditions are conducive for disease. Apply on a 10 day schedule in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations. |
3 days |
| Crop group 3: Bulb vegetables (dry onions, green onions, garlic, leeks, shallots) |
364 – 512 |
Purple blotch: apply InspireTM Fungicide prior to disease onset when conditions are conducive for disease. Apply on a 7 – 10 day schedule in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations |
7 days |
| Crop group 9: Cucurbit vegetables (cucumber, cantaloupe, muskmelon, pumpkin, squash, watermelon, gourd, etc.) |
512 |
Powdery mildew control, gummy stem blight suppression: apply InspireTM Fungicide prior to disease onset when conditions are conducive for disease. Apply on a 7 – 10 day schedule in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations |
0 days |
| Potato, sweet potato, artichoke |
292 – 512 |
Alternaria: apply InspireTM Fungicide at 1st sign of disease or when conditions are conducive for disease. Apply on a 7 – 14 day schedule in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations. |
14 days |
| Grapes |
292 |
Powdery mildew: apply InspireTM Fungicide beginning at bud break and apply on an 11 – 21 day interval in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations. |
7 days |
| Fruiting vegetables (eggplant, pepper, tomato, groundcherry, tomatillo) |
292 – 512 (Alternaria)
512 (Anthracnose) |
Alternaria: apply InspireTM Fungicide at 1st sign of disease or when conditions are conducive for disease. Apply on a 7 – 14 day schedule in sufficient water to obtain thorough coverage. See label for more detail, re-entry intervals and tank-mix recommendations. |
0 days |
| Sugarbeets |
292 – 512 |
Cercospora leaf spot, powdery mildew: apply InspireTM Fungicide on a 7 – 28 day schedule, alternating with a non-triazole fungicide. Apply in sufficient water to obtain thorough coverage. See label for more detail and re-entry intervals. |
14 days |
| Pome fruit (apples, crab apples, pears, quince) |
292 |
Apple scab, protective schedule, curative schedule; powdery mildew, cedar apple rust, quince rust, brooks fruit spot, sooty blotch and flyspeck: consult label for detailed instructions and re-entry intervals. |
14 days |
Follow all other directions for use on the InspireTM Fungicide label carefully. Consult individual crop and disease control recommendations on the InspireTM Fungicide label for additional use restrictions.
InspireTM Fungicide should be used in an Integrated Pest Management program and in rotation with other management strategies to adequately manage resistance. Consult provincial guidelines and local extension specialists for monitoring protocols and disease management recommendations.
We wish to thank the personnel of Syngenta Crop Protection Canada, Inc. for their support of this registration and the personnel of the Pest Management Regulatory Agency for evaluating and approving this important pest management tool.
For copies of the new InspireTM Fungicide label contact Jim Chaput, OMAFRA, Guelph (519) 826-3539, or visit the Syngenta Canada website at www.syngenta.ca.
Note: This article is not intended to be an endorsement or recommendation for this particular product, but rather a notice of registration activity.
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