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September 30, 2025Open Access

Watering regime affects aboveground and belowground trait covariation in a hybrid Silphium population

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Authors

TTTyler ThrashMHMeredith T. HanlonMMMargaret C. McNeese

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Overview

Experiment shows how watering regime affects aboveground biomass and root traits in Silphium, indicating resource allocation strategies.

Key Points

  • Bottom-watered plants exhibited reduced aboveground and belowground growth compared to top-watered plants.
  • Significant negative relationships between aboveground biomass and specific root length were noted for bottom-watered plants.
  • The study utilized a greenhouse experiment with a backcrossed F1 hybrid of Silphium integrifolium and S. perfoliatum.
  • These findings highlight the importance of watering regimes for economic and ecological traits in perennial crops.

Cite This Study

Thrash et al. (2025) studied this question.

synapsesocial.com/papers/68dc1e3f8a7d58c25ebb1fd2https://doi.org/10.1101/2025.09.26.678844
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