Clubroot caused by is a serious threat to cruciferous crops around the world. The resting spores of are a primary source of infection and can survive in soil for many years. Detection of resting spores in soil is essential for forecasting clubroot prevalence. Detection of has been relying on plant bioassays or PCR-based methods. The loop-mediated isothermal DNA amplification (LAMP) is a promising approach for microorganism detection with the advantage of high sensitivity, accuracy, and convenience in viewing. In this study, we developed a LAMP assay for detection of in soil, roots, and seeds. This method can detect at a minimal amount of 1 fg of plasmid DNA or 10 resting spores in the soil. Compared with conventional PCR, the LAMP was more sensitive in detection of at the lower levels in soil samples. In conclusion, we elaborated a sensitive, accurate, and easy-to-use LAMP assay to detect , which will facilitate sustainable clubroot management and planning.
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