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. 2007 Jul 27;73(19):6106–6111. doi: 10.1128/AEM.01135-07

FIG. 1.

FIG. 1.

Experiment one: mean mortality rate of seedlings per block (± standard error) for tree species and Heterobasidion genotype. P, S, and SP refer to the North American P ISG, S ISG, and SP hybrid genotypes, respectively. Shared letters indicate nonsignificant differences between Heterobasidion genotypes within each of the two inoculation trials, as determined by separate ANOVAs.