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Panama disease progress incited by Tropical Race 4 (Fusarium odoratissimum II-5). (A) Four class rating scale of leaf chlorosis: I = (0 > x ≤ 25%), II = (25 < x ≤ 50%), III = (50 < x ≤ 75%), and IV (75 < x ≤ 100%); (B) Internal severity levels of 18 banana accessions (Supplementary Table 2) and the accompanying percentages of affected tissue as calculated by ImageJ; (C) The correlation between qPCR quantification and disease index per corm with trendline and R value.
