Figure 4From: Genome-wide SNP identification and QTL mapping for black rot resistance in cabbage Representative black rot disease symptoms on leaves of B. oleracea after spraying with Xcc suspension. Disease indices are: (0) less than 15%, (1) 15-30%, (2) 30-55%, (3) 55-75%, (4) more than 75% leaf area showing black rot symptoms.Back to article page