Preventive fungicide applications are more effective against Septoria leaf blotch than the curative treatments, so persistence and wheat varietal resistance should be taken into account in the management of this disease. It would seem that none of the studied factors affect the frequency of DMI-resistant genotypes.

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A protective application of prothioconazole in wheat crops could be the best strategy to keep a high efficacy against Septoria leaf blotch.

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