Content
In this series, our Senior Researcher Phytopathology Manus Thoen takes on the myths that spread just as fast as the virus itself. Together with experts from our breeding, diagnostics, pathology, and molecular biology departments, he unpacks common misconceptions about HREZ, Enza Zaden’s High Resistance to ToBRFV.
More indepth info? Read the blog on Myth 5!
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In this episode, Manus challenges the belief that strong resistance makes hygiene optional. He opens with a personal look at how tomato growing has changed since his grandfather’s time, when hygiene was minimal and viruses were largely invisible. Today, with ToBRFV in the picture, hygiene is one of the most important tools for keeping pressure low, even in resistant crops. /p>
Expert researcher Sergio explains the difference between resistance and immunity, why no tomato gene can stop the virus from entering entirely, and how repeated reintroductions through tools, hands or materials can still create symptoms in HREZ crops.
Sales Manager Bas brings the discussion into practice, showing how simple routines like clean tools, clean hands and controlled movement between compartments help keep virus pressure low and allow HREZ to perform at its best. Together, they show that resistance and hygiene are not alternatives but partners: the plant handles the virus inside, and hygiene handles it outside.
Strong decisions start with solid information. By combining what we know from breeding, research and agricultural practice, this series cuts through the noise and highlights what truly matters for managing ToBRFV in modern tomato production.