Written by cpm
Download PDF Potato growers are understandably anxious about achieving quality haulm knock down with an ever- decreasing product portfolio. Diquat’s demise has certainly made its impact felt. But at FMC we have seen excellent and comparable results where a flail and spray approach in combination with Spotlight Plus has been adopted. Under the Spotlight Successful desiccation starts with managing the canopy in the new era without diquat. CPM asks how to get the best out of PPO inhibitors at burn-down. Managing the canopy is going to hold the key to success. By Lucy de la Pasture For the first season in memory, potato crops have been planted in the knowledge that desiccation strategies later in the season are without a first in-line chemical treatment to remove foliage. Diquat had taken on that mantle when glufosinate ammonium and sulphuric acid were withdrawn. All’s that now left are the protoporphyrinogen oxidase inhibitors (PPOs), which were developed as a second line of treatment to desiccate stems. CPM talks to FMC’s agronomy manager Jeff Fieldsend and taps into his long experience with the company’s PPO, Spotlight Plus (carfentrazone-ethyl), to find out how agronomy practices will play a part in getting the best out of…
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