Written by cpm
A few weeks ago Bayer voluntarily withdrew their stalwart potato seed treatment, Monceren. For growers who’ve relied on the treatment for many years it means a change of strategy. CPM looks at the considerations. All of the alternatives to Monceren have their merits. By Rob Jones For more than a decade, growers have relied on Monceren DS (pencycuron) to control black scurf and reduce the incidence of stem canker, two diseases caused by Rhizoctonia solani that have the potential to reduce yields and quality. Recent proposals to alter the maximum residue limit published by the European Commission have led product manufacturer Bayer to withdraw Monceren from the market, meaning many growers will have to find another means of protecting crops. So why has Bayer taken this unprecedented step? Bayer’s Edward Hagues explains that the EU proposal was to reduce the MRL for pencycuron to just one-tenth of the existing level. Monceren seed treatment has been voluntarily withdrawn due to the implications of a possible change to its MRL. “The outlook is far from clear, but if the proposal is adopted it would mean all seed would have to be treated before April 2020 and all harvested potatoes sold by…
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