What question did this study set out to answer?

To determine whether phenotypic plasticity or genetic variation primarily regulates bud burst phenology across diverse Canadian sugar maple populations.

June 26, 2023Frontiers in Ecology and EvolutionOpen Access

Plasticity plays a dominant role in regulating the phenological variations of sugar maple populations in Canada

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Authors

XGXiali GuoChina Meteorological Administration VBValentinà ButtòUniversité du Québec en Abitibi-Témiscamingue VMVasyl MohytychForest Research Institute

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Implication

Common garden experiment demonstrates dominant environmental plasticity over genetic variation in sugar maple bud phenology, suggesting resilience to rapid climate shifts.

Key Points

To determine whether phenotypic plasticity or genetic variation primarily regulates bud burst phenology across diverse Canadian sugar maple populations.
Cultivated sugar maple (Acer saccharum) seedlings from 30 Canadian provenances with contrasting climates.
Planted seedlings in two common gardens situated near and at the northern edge of the species' range.
Monitored spring bud development and leaf emergence during April and May to assess site, provenance, and interaction effects.
Bud development and leafing lasted between 21 and 29 days, with bud swelling differing by an average of 12 days between common gardens.
Both site and provenance significantly influenced bud burst, with a significant interaction detected between site and provenance.
Common garden site explained 11.8% to 90.3% of the variance in bud burst timing, whereas provenance explained only 0% to 3.1%.

Cite This Study

Guo et al. (2023) studied this question.

synapsesocial.com/papers/6aa0e73025b16df10966744a https://doi.org/10.3389/fevo.2023.1217871

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Implication

Common garden experiment demonstrates dominant environmental plasticity over genetic variation in sugar maple bud phenology, suggesting resilience to rapid climate shifts.

Plasticity plays a dominant role in regulating the phenological variations of sugar maple populations in Canada

Discussion

Member takes

Implication

Key Points

Cite This Study

Plasticity plays a dominant role in regulating the phenological variations of sugar maple populations in Canada

Discussion

Member takes

Implication

Key Points

Cite This Study

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