For years, Dutch bell pepper growers were able to control stem rot through a careful hygiene protocol and careful control of the climate in the greenhouse. Unfortunately, this year the circumstances are different. Stem rot is back – a conclusion of Arne Aiking and Damian van Dijk of CleanLight. They offer a UV technique against bacterial disease.

A bacterium, Erwinia, is causing stem rot in peppers. Unfortunately, growers don’t have many choices against bacterial diseases, according to Arne Aiking. “For that reason, the application of UV to bell peppers in the post-harvest was studied years ago during a previous Erwinia epidemic.”

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