Seed dormancy increases population persistence in an annual plant in an environment-dependent manner

June 24, 2026Annals of BotanyOpen Access

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This research investigates how varying levels of seed dormancy affect the persistence of plant populations across different environments.
Established genetically variable field populations of Arabidopsis thaliana with differing seed dormancy levels.
Imposed four environmental treatments to assess demographic differences and dormancy effects on survival.
Monitored population dynamics over three years in response to environmental conditions.
High Dormancy populations exhibited larger seedling sizes, leading to higher population persistence in favorable conditions.
Stressful environments reduced the positive demographic effects of dormancy on population persistence.
Variation across environmental treatments was greater in High Dormancy populations compared to Low Dormancy populations.

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Examines seed dormancy's effects on population persistence in varying environments, suggesting conditions shape outcomes.

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Quarles et al. (2026) studied this question.

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