Increased transgenerational epigenetic variation, but not predictable epigenetic variants, after environmental exposure in two apomictic dandelion lineages.

However, in both apomictic lineages, the drought × accession interaction in the first generation was marginally significant ( T. alatum p ‐value = 0.059, T. hemicyclum p ‐value = .074), suggesting that a weak drought effect may be present but not equally expressed in all accessions.

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For both drought and SA stress, the generation effect on deviations from the consensus was highly significant (Tables 4 and 5 ), showing increasing deviations from the consensus from G1 to G3 (see also Figure 2 ; consistent with a buildup of methylation variation across generations).

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