Nov. 26, 2009
Field vegetable fungicide Rudis (prothioconazole) has gained approval for Brussels sprouts use.
Just as for leeks and cabbages, the maximum individual dose permitted on sprouts is 0.4 litres/ha and it is approved for three applications per crop. Latest application is set at 21 days before harvest.
Nathan Whitehouse, Bayer’s product manager for fruit and vegetable crops, says Rudis is distinctly different to the DMI products growers have been relying on recently, delivering greening and physiological yield effects in the same league as strobilurins.
The Allium and Brassica Centre’s Andy Richardson, says: “Our trials have shown it to combine strong protectant and eradicant activity against all four major leaf spot diseases of sprouts, as well as powdery mildew. Rudis’ label extension is good news as sprouts are the most difficult brassica crop to control fungal diseases in. The armoury has become limited.”
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