The colony sizes were similar between the ears that had been pre-infested by a different clonal lineage (D) and those that had been pre-infested by the same clonal lineage (S), but there were slight tendencies (marginally significant at 4 days, 11 days) for higher colony sizes on ears that had been pre-infested by the same clonal lineage from the third day onwards.
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The sentences
α = 0.05 was used as significance threshold for all tests, with α = 0.10 as threshold for marginal significance.