Wageningen University & Research Launches Field Trials for Gene-Edited Potatoes

Wageningen University & Research (WUR), in partnership with the Dutch Ministry of Agriculture, Fisheries, Food Security, and Nature, is conducting new field trials for genetically modified (GM) potatoes. The trials will evaluate potato lines developed using New Genomic Techniques (NGTs) to precisely add or switch off multiple genes. By instilling stacked resistance against aggressive pests and diseases, such as late blight, caused by the destructive pathogen Phytophthora infestans, researchers expect the new varieties to drastically minimize farmers' reliance on chemical pesticides.

The field trials mark a significant technological leap forward, 11 years after WUR's last major potato field trial under the DuRPh (Durable Resistance against Phytophthora) project. While the previous project successfully demonstrated that stacking multiple resistance genes offered superior defense against late blight, those crops were never commercialized. They relied on traditional genetic transformation methods, which triggered stringent, lengthy, and cost-prohibitive European Union GMO approval processes alongside uncertain public and market acceptance.

In contrast, NGTs, such as CRISPR gene editing, allow for minor, highly targeted DNA alterations that mimic variations achievable through conventional breeding, but in a fraction of the time. Because these techniques do not introduce new safety risks, the EU is currently debating updated legislation that would exempt certain NGT plants from strict GMO regulations. Researchers hope the real-world performance data gathered from these new field trials will not only validate the crop's ecological benefits but also foster an informed public debate regarding gene-editing technology and agricultural sustainability in the Netherlands.

For more details, read the article in the WUR Resource.