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. 2014 Oct 17;9(10):e110664. doi: 10.1371/journal.pone.0110664

Figure 1. Relationship between Verticillium wilt-related parameters and soil temperature.

Figure 1

Relationship between Verticillium wilt-related parameters and soil temperature in olive cvs. Arbequina (Arb) and Picual (Pic) grown in soil infested with the defoliating (D) or non-defoliating (ND) pathotype of Verticillium dahliae. A. Final disease incidence; B. Overall disease severity (0–4 scale: 0 = no symptoms, 4 = dead plant); C. Intensity of stem vascular colonization determined at the end of the experiment by isolation in growth media; D. Reciprocal incubation period (time to initial symptoms); E. Standardized area under the disease severity progress curve (SAUDPC); F. Rate of disease increase parameter of the Gompertz function fitted to disease progress data. Each point represents the mean of data from two repeated experiments, each comprising 10 pots with one plant per pot. Vertical bars represent the standard error of the mean. Lines represent the predicted model calculated with a reverse sigmoid function (left panels) or a Beta function (right panels).