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Several incidences of the degradation of sprayer components have been reported in the UK over the past week, where the tank mix applied has included the fungicide active Inatreq.

Corteva Agriscience, the chemical company that developed the active, has received a number of reports of sprayer damage, which comes at the time of year when farmers are busy spraying cereal crops at the T2 timing.

The firm is currently undertaking a thorough investigation into these reports – which have specifically focused on nozzle O-rings and nozzle diaphragms – and will update advice as more information becomes available.

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With limited information to date and in the absence of any conclusive link to their products, the company has advised the following actions to mitigate possible issues:

In addition, it is important to follow label instructions and observe good agricultural practice:

Inatreq active is the main component in the fungicide Univoq, which was approved for use in the UK in March last year.

The fungicide offers curative and protectant control across all septoria strains and is a popular choice for T2 sprays.

Derived from a natural compound, the active UK-2A is produced through a fermentation process. When inside the crop and in the presence of fungi, the molecule binds to the fungal pathogen at a unique site of action – different to other cereal fungicides on the market.

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