Written by cpm
With few agronomists prepared to rely on fluazinam for tuber blight control this season, a major reshuffle of the blight programme is on the cards. CPM looks at the options. Longer spray intervals will be something new for growers to consider. By Lucy de la Pasture New fungicides are almost as rare as hen’s teeth these day so the approval of Zorvec Enicade (oxathiapiprolin) has come at a fortuitous time, enabling a shake-up of blight strategies to release substitutes for the much-relied upon, but now failing, fluazinam. Zorvec’s arrival has been keenly anticipated by the potato industry having stood out in blight trials for a number of years. It gives growers the option of a truly systemic product for the first time in nearly two decades. And this year is already stacking up to be more difficult than most, believes Dr Reuben Morris, Frontier Agriculture’s potato crop production specialist. “It’s a late planting season due to the wet ground conditions, which means there’s a strong possibility that the first blight warnings will occur much earlier in the crop’s development than normal,” he says. Hutchinsons’ national root crop technical manager Darryl Shailes agrees. “During early season pressure,…
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