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Disease resistance responses of different materials to P. brassicae from different field isolates. (A) Disease index statistics. Black, white, gray, and red bars represent the disease index in DW, Huashuang5R (H5R), 409R, and Huashuang5S (H5S), respectively. (B,C) The phenotypes of DW, H5R, 409R, and H5S were inoculated with PbZj and PbXm, respectively.
