When selecting a field to grow mustard, particular attention should be paid to the previous use of herbicide and any applicable re-cropping restrictions. The list of products and the length of cropping restrictions can be found in the following table. This information is current for the 2017 growing season. Please see the current Saskatchewan Agriculture Guide to Crop Protection for the most up to date information.
|Metsulfuron (Ally, Accurate, also a component of Express Pro)||Brown and Dark Brown soils|
(pH <7 and pH 7-7.9)
Other soils (pH <7 and pH 7-7.9)
|Ethametsulfuron (Muster Toss N Go2)||Not applicable||2|
|Altitude FX/FX2, Solo, Tensile, Viper||Not applicable||2|
|1 Years refers to the number of winters that must pass between application and seeding of mustard.
2Muster Toss N Go is registered for use in brown and oriental mustard from the four leaf stage up until flowering. However, brown and oriental mustards are not tolerant to Muster Toss N Go applications prior to the four leaf stage.
Mustard may be seeded the year after application of the following herbicides or copack combinations of those herbicides:
All Group 1 grass control herbicides
Herbicides not listed above have no recommendation for recropping to mustard. In many cases this means that a successful bioassay (strip of mustard grown in the field without injury symptoms) must be grown to determine safety before seeding the entire field to mustard. Contact the manufacturer of products not noted above for further information.
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