As a registered fungicide for the control of septoria and reduction of powdery mildew in winter wheat, IODUS contains laminarin as the active ingredient, which is sourced from natural plant extracts, creating a powerful yet sustainable biocontrol product, with no buffer zones and zero residue. Hear from UPL Trials Manager, Jo Hawke explaining our field trial results using IODUS.
UK field trials 2019-2020
The headline: IODUS significantly controls Septoria in winter wheat
The details:

- Applied at T0
- Independent and distributor trials
- 57.25% Septoria control
The takeaway:
With less application, IODUS shows robust disease control comparable to leading multi-sites.UK field trials 2017-2020
The headline: IODUS supports a small yield increase
The details:

- Applied at T0
- Average of 0.3t/ha yield benefit to wheat crop
The takeaway:
IODUS delivers a typical yield benefit given by conventional multi-site fungicides.ADAS Hereford Trials 2023 (Elation and Graham)
The headline: IODUS clearly improves disease control
The details:
- Elation variety - highly susceptible to Septoria
- Sown early (28th September) to increase disease exposure
- Average of 56% disease control across leaves 1, 2 and 3 in the the untreated crop
- Good dose response rate to the different Ascra Xpro (bixafen + fluopyram + prothioconazole) rates used at T1
- Adding IODUS at T0 improved disease control
- Especially beneficial at the lower doses of Ascra Xpro
- Sown 13th October
- Average of 34% disease across leaves one, two and three on the 20th of June
- Clear difference in the disease control improvement by adding Iodus at T0