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. 2020 Jun 19;20:284. doi: 10.1186/s12870-020-02497-y

Fig. 4.

Fig. 4

Phenotypic response of the pmr4 mutants to infection with Oidium neolycopersici. a. Powdery mildew symptoms observed on the leaves of wild-type plants and mutants (one genotype is given from each of the five mutation events). Photos were taken at 21 days post inoculation (dpi). b. Average disease index score of the mutant lines at 10 and 12 dpi. c. Relative fungal biomass quantification on at least three individual plants of the mutant lines. This is calculated as the ratio of fungal ITS gene amplification in comparison with tomato EF1a and normalized with the values of the wild-type genotype TV161196. Significant differences were observed between the different mutation events and the control lines (Tukey HSD test, α = 0.05)