Fig. 4

Evaluation of LF-RPA detection of P. cactorum in infected plant tissues. a P. cactorum-inoculated leaves at 5 days post-inoculation (dpi). Mycelia were visualized using trypan blue staining. b Representative disease symptoms of Phytophthora fruit rot in strawberry caused by P. cactorum. c LF-RPA and conventional PCR assays of genomic DNA extracted from healthy and infected strawberry tissues