The article highlights mildew as a significant threat to potato crops, leading to lower production and quality. With decreasing active ingredients in authorized fungicides and increasing resistance in fungus, Xavier Moncosí, product manager of Lainco, will explore sustainable solutions at the International Potato Congress. The solutions include the combined application of different fungicides, good agronomic practices, and choosing potato varieties more tolerant or resistant to mildew. Farmers are encouraged to find alternative solutions to combat this issue.