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Domark 230ME Fungicide (tetraconazole) is one of the fungicides which has had a section 18 quarantine label for use if there is a threat of soybean rust. Under the section 18 label Domark 230ME Fungicide could only be used on soybeans if there was a threat of soybean rust. The Environmental Protection Agency has just sent out notification that

A section 3 registration has now been established for this use of tetraconazole on soybeans, and although the emergency exemption for Missouri will not expire until November 10, 2007, the new registration can be used by growers in lieu of the currently approved section 18 labeling. End users that have un-used stocks under the section 18 are encouraged to follow the use directions and terms carried on the newly stamped section 3 label.

The new section 3 registration, covers control and/or suppression of certain diseases in soybean including Asian soybean rust, Cercospora blight, frogeye leaf spot, Sclerotinia white mold, powdery mildew, Septoria brown spot and anthracnose.

The following restriction and limitations are listed on the label:

1. Do not apply Domark after soybean growth stage R5 (beginning seed).
2. Do not make more than two (2) applications of Domark to soybeans per year.
3. Do not apply more than 10 fl. oz. (0.150 lb at tetraconazole) of Domark per acre per season.
4. Do not graze or feed soybean forage or hay to livestock.
5. A restricted entry interval (REI) of 12 hours is to be followed.
6. Chemigation: Do not apply Domark through any type of irrigation system.
7. Do not harvest immature soybeans for consumption once plants are treated with Domark.
8. Do not use on vegetable soybean varieties grown for their immature pods.

See section 3 label for further information on the use of Domark 230ME fungicide on soybean.

Laura Sweets
573-864-7307
SweetsL@missouri.edu