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Supplemental Information

Climatic Data

Climatic Data

DOI: 10.7287/peerj.preprints.2468v1/supp-1

Alternaria B055 infection

Infected fraction of seven S. chilense populations for Alternaria solani strain B055. The boxplots show the median and 1st and 3rd quartile of the infected fractions per leaf. The Y axis ranges from 0 (no infected leaflets on a leaf) to 1 (all leaflets show infection). On the X axis, each population is represented. The colours correspond to the geographic regions as depicted in figure 1.

DOI: 10.7287/peerj.preprints.2468v1/supp-2

Pairwise comparisons for all infection experiments

Results of Tukey's Honest Significant Differences test for pairwise comparisons between all populations for A) Alternaria B) Fusarium C) Phytophthora. The Y-axis indicates the individual comparisons, the X-axis shows the observed difference (vertical lines), with a 95% confidence interval (whiskers). Differences are considered significant if the whiskers do not cross the line at 0.

DOI: 10.7287/peerj.preprints.2468v1/supp-3

Summaries for GLMM

Summaries for Generalised Mixed Linear Models used in this study

DOI: 10.7287/peerj.preprints.2468v1/supp-4

Surface Sterilisation

Sterilisation of leaf surface area has moderate effects on infection of S. chilense.A. S. pennellii leaf, left washed with distilled water, right washed with 70% EtOH. B. Water (left), EtOH (right) washed of S. chilense LA4330 leaves.

DOI: 10.7287/peerj.preprints.2468v1/supp-5

Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Remco Stam conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Daniela Scheikl performed the experiments, wrote the paper, reviewed drafts of the paper.

Aurélien Tellier conceived and designed the experiments, analyzed the data, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

The raw data has been supplied as a supplementary file.


Remco Stam was funded by the Alexander von Humboldt Stiftung. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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