Vegetable fungicide tebuconazole successfully re-registered

Bayer CropScience has successfully defended Nativo 75WG (tebuconazole + trifloxystrobin) through the re-registration of tebuconazole-containing products.

Bayer product manager for fruit and vegetable crops Claire Matthewman said: "While other tebuconazole-containing products have lost 'on-label' vegetable approvals following re-registration, we're pleased that Nativo 75WG has been able to retain most of its uses and can continue to provide vegetable growers with excellent disease control."

The new registration (MAPP 16867) comes with important changes to the label. For brassicas the application rate has been reduced from 0.4 kg/ha to 0.36 kg/ha and for cabbage and Brussels sprouts the number of applications has been reduced from three to two per crop.

There are no changes to the label for carrots but leeks are no longer authorised, though work is ongoing to have this crop re-instated, Matthewman said.

A 12-metre aquatic buffer zone now applies to all crops on the label and the product must now be applied through three star drift reduction nozzles which must be maintained until 30m distance from the top of the bank of any surface water bodies.

The revocation timetable for stock bearing the old MAPP number 13057 is: final sales to growers 30 June 2015; growers to use or dispose of stock by 30 June 2016.

The new Folicur (tebuconazole) label has not yet been finalised but it is already clear that use on all vegetable crops except field beans will be lost, affecting growers of swedes, turnips, cabbage, leeks, carrots, parsnips and horseradish.

Once all new labels have been finalised they will be available to download from

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