Resistance Management Strategy for:
Group 2 Dicarboxamides;
Group 3 Demethylation inhibitors (DMI);
Group 7 Succinate dehydrogenase inhibitors (SDHI);
Group 7+3 SDHI + DMI; and
Group 7+12 SDHI + phenylpyrroles (PP); and
Group 11+3 Quinone outside inhibitors (QoI) + DMI
Application stage (Disease being controlled) | Rotation options for different fungicide active groups | ||||||||||||
Seed dressing & in-furrow (Blackleg) | None | None | None | None | None | None | 3 | 3 | 3 | 3 | 3 | 3 | |
Seedling foliar (Blackleg) | None | 3 | 7 | 7+3 | 7+12 | 11+3 | None | 3 | 7 | 7+3 | 7+12 | 11+3 | |
20% flower (Sclerotinia)
Choose only one option from this section |
1 | None | None | None | None | None | None | None | None | None | None | None | None |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | ||||
4 | 7+3 | 7+3 | 7+3 | 7+3 | 7+3 | 7+3 | 7+3 | 7+3 | |||||
5 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | ||||
6 | 11+3 | 11+3 | 11+3 | 11+3 | 11+3 | 11+3 | 11+3 | 11+3 |
Application stage (Disease being controlled) | Rotation options for different fungicide active groups | ||||||
Seed dressing & in-furrow (Blackleg) | 7 | 7 | 7 | 7+3 | 7+3 | 7+3 | |
Seedling foliar (Blackleg) | None | 3 | 11+3 | None | 3 | 11+3 | |
20% flower (Sclerotinia)
Choose only one option from this section |
1 | None | None | None | None | None | None |
2 | 2 | 2 | 2 | 2 | 2 | 2 | |
3 | 3 | 3 | 3 | 3 | |||
4 | 7+3 | 7+3 | 7+3 | 7+3 | |||
5 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | 7+12 | |
6 | 11+3 | 11+3 | 11+3 |
If a second application at 50% flowering is required:
Application at 20% flowering | |||||
2 | 3 | 7+3 | 7+12 | 11+3 | |
Rotation options for 50% flowering second application | 2 | 2 | 2 | 2 | |
3 | 3 | ||||
7+3 | |||||
11+3 | 11+3 |
URL: https://croplife.org.au/resources/programs/resistance-management/canola-blackleg/
Content last updated: July 14, 2023