Late blight is the most economically important potato disease. ) plants are cultivated worldwide the largest areas can be found in Asia and Europe and potato production is systematically increasing in Africa (Haverkort and Struik 2015). Last, we review new sources of Rpi genes and new methods used to identify them and discuss interactions between P. We also discuss the use of Rpi genes in breeding as well as their detection in existing potato cultivars. In this review, we summarize the current knowledge concerning Rpi genes. The development of genetic engineering techniques has enabled the direct transfer of resistance genes from potato wild species to cultivars and easier pyramiding of multiple Rpi genes, which potentially increases the durability and spectrum of potato resistance to rapidly evolving P. Such programmes were initiated 100 years ago, but the process is complex and long. infestans ( Rpi genes) that originate from wild relatives of potato. Therefore, new potato cultivars have been bred using resistance genes against P.

Crop protection against late blight requires intensive use of fungicides, which has an impact on the environment and humans. Potato is affected by many pathogens, among which Phytophthora infestans, causing late blight, is of the most economic importance. In 2020, potato production was estimated to be more than 359 million tons according to the Food and Agriculture Organization (FAO). Potato ( Solanum tuberosum L.) is one of the most important food crops worldwide.

Tomato late blight resistance