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Unique PTZ formulation enhances cereal disease control

The unique formulation of ADAMA’s prothioconazole based fungicides delivers improved control of a range of stem-base, foliar and ear diseases throughout the season.

SORATEL (250 g/L prothioconazole) and MAGAN (250 g/L prothioconazole) are both formulated using ADAMA’s unique ‘AsorbitalTM’ technology which uses a special solvent system and a built-in adjuvant to improve uptake of the prothioconazole fungicide into the leaf. This novel formulation technology also enables excellent systemic movement of the active ingredient through plants to the site of action against fungal cells.

This optimised uptake and movement makes these products the ideal prothioconazole choice in a range of combinable crops (winter and spring wheat, winter and spring barley, winter and spring oats, oilseed rape and winter rye) as it offers improved control of fusarium ear blight and better control of septoria, rhynchosporium, net blotch, sclerotinia, rusts and mildew compared to the current market-leading prothioconazole product.

Both products are ideal choices for T3 fungicide treatments, but they can also be used earlier in the season thanks to their flexible labels.

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Enhanced leaf uptake and in-plant migration

Independent laboratory trials carried out by BIOtransfer (France, 2021) have shown that the uptake of ADAMA’s formulation is quicker and more effective against septoria compared to the market leading prothioconazole product. 

In the trial, a standardised amount of the test products (each delivering equivalent amounts of prothioconazole) was applied to the basal part of wheat leaves, with the apical part of the leaves left untreated. This allowed penetration into the basal part and potential migration into the apical part.

At various timepoints after application the basal part was washed to halt uptake and to remove any remaining surface residues. At the same time, the apical part was removed to stop any further migration of product.

Both leaf parts were subsequently inoculated with septoria and incubated under saturated, humid conditions. Septoria control was then evaluated at both 21 and 28 days post inoculation (dpi), with the results reflecting the quantity of active ingredient present in each part of the leaf.

The results can be interpreted as follows:

  • less disease in the basal part indicated faster penetration into the leaf
  • less disease in the apical part indicated better migration from the basal part to the apical part of the leaf.

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Trials have shown that the uptake of ADAMA’s formulation is quicker and more effective against septoria compared to the market leading prothioconazole product. (Source: Independent laboratory trials conducted by BIOtransfer, France)


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The ADAMA formulation also offers better protection against septoria in non-treated leaf areas thanks to its superior movement within plants. (Source: Independent laboratory trials conducted by BIOtransfer, France)


Better than the best against fusarium

ADAMA’s prothioconazole fungicides offer real and tangible benefits above and beyond those provided by other prothioconazole based fungicides, with European trials showing that, gramme for gramme per hectare, SORATEL and MAGAN consistently and reliably provide a notable improvement in disease control under a range of conditions: in extensive trials, both have proven to give up to 18% (Maritime conditions) and 13% (UK conditions) more control of fusarium compared to the market leading prothioconazole product.

Similar results have also been seen when using ADAMA’s Asorbital formulations to treat sclerotinia in oilseed rape growing in a maritime climate.

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Broad spectrum activity

SORATEL and MAGAN can be used as standalone products or as tank mix partners with other fungicides to deliver a broader spectrum of activity. They can be used at a range of treatment timings (before grain milky ripe stage (GS 70) in wheat and rye, before the beginning of flowering (GS61) in barley and oats, and up to mid flowering in oilseed rape) to provide improved protection against a wide spectrum of arable crop diseases.

Crop Diseases controlled


Septoria (leaf and glume blotch)

Powdery mildew

Yellow rust

Brown rust*

Tan spot*

Fusarium ear blight* (reduction of deoxynivalenol)

Reduction of sooty moulds



Powdery mildew

Yellow rust

Brown rust

Fusarium ear blight*

Reduction of sooty moulds, rhynchosporium and net blotch



Powdery mildew

Brown rust




Crown rust


Winter OSR

Light leaf spot*

Phoma leaf spot

Stem canker

Sclerotinia stem rot

* moderate control


Protecting winter OSR

SORATEL and MAGAN are also suitable for use in winter oilseed rape where they are a good option for use at stem extension to control light leaf spot, especially in those crops which do not require growth regulation (e.g. those crops which are backward due to the challenging season and/or because they have been impacted by pigeon damage).


Find out more

For more information about how SORATEL and MAGAN can enhance disease control visit the relevant product pages by clicking on the images below.

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