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Effects of Autumn and Spring Heat Waves on Seed Germination of High Mountain Plants

Fig 2

Cumulative germination percentage (means ± s.e.) of each species (Allium-Homogyne) under three temperature treatments at the end of autumn (black columns) and at the end of summer (white columns).

Winter germination is not shown since no seeds germinate during cold stratification period. Final germination is given by the sum of black and white. Lowercase letters indicate significant differences of germination at P<0.05 level (Tukey's honest significance test) in autumn. Capital letters indicate significant differences of final germination at P<0.05 level (Tukey's honest significance test) (i.e. sum of autumn and spring/summer germination).

Fig 2

doi: https://doi.org/10.1371/journal.pone.0133626.g002