Ginseng Producers Receive Minor Use Registration for MAXIM® 480 FS SEED TREATMENT

By J. Chaput, OMAFRA, Minor Use Coordinator, Guelph

The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use registration for MAXIM® 480 FS Seed Treatment Fungicide (fludioxonil) for control of seed-borne and soil-borne diseases caused by Fusarium, Rhizoctonia and Cylindrocarpon on ginseng in Canada. MAXIM® 480 FS was already registered as a seed treatment on many other crops either alone or in combination with other products for control of similar seed and seedling diseases.

Fusarium, Rhizoctonia and Cylindrocarpon are some of the most common, damaging diseases of ginseng in North America and have been the subject of much research and registration activity. The registration of MAXIM® 480 FS is an important step towards improving the pest management toolkit for ginseng.

This minor use label expansion project was initiated in 2007 by the minor use office of OMAFRA in response to minor use priorities identified by producers. The following is provided as an abbreviated, general outline only. Users should consult the complete label before using MAXIM® seed treatment fungicide.

Maxim 480FS Seed Treatment can be applied at a rate of 5.2 – 10.4 mL product per 100 kg ginseng seed as a seed treatment before planting (post stratification). Do not graze or feed livestock on seeded area for 30 days after planting. Maxim 480FS Seed Treatment can be mixed with Apron XL LS Seed Treatment if Pythium damping off is also considered to be an issue. Application of Apron XL LS Seed Treatment for control of Pythium may also have some effect on Phytophthora. The combination of these seed treatments provides broad-spectrum control of seed-borne and soil-borne diseases of ginseng.

Follow all other precautions and directions for use on the MAXIM® 480 FS seed treatment fungicide label carefully.

MAXIM® 480 FS should be used in an IPM program and in rotation with other management strategies to adequately manage resistance.

We wish to acknowledge the personnel of the former AAFC Delhi Research Station whose work was critical to securing the necessary data to support this registration. We also wish to acknowledge the personnel of Syngenta Crop Protection Canada 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 minor use label contact Sean Westerveld, OMAFRA Ginseng & Medicinal Herbs Specialist, Simcoe (519) 426-4323, Marvin Karges, OGGA, Simcoe (519) 426-7046, Jim Chaput, OMAFRA, Guelph (519) 826-3539 or visit

About Sean Westerveld

Ginseng and Medicinal Herbs Specialist, OMAFRA
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