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Updated: Feb 9, 2026
08:10
Hydraulic Extrusion of the Spinal Cord and Isolation of Dorsal Root Ganglia in Rodents
Published on: January 22, 2017
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Linking fine root morphology, hydraulic functioning and shade tolerance of trees
Marcin Zadworny1, Louise H Comas2, David M Eissenstat3,4
1Institute of Dendrology, Polish Academy of Sciences, Parkowa, Kórnik, Poland.
Annals of Botany
|June 14, 2018
Summary
Shade-intolerant trees have thinner roots with less hydraulic conductivity but more adaptable xylem. Shade-tolerant trees possess thicker roots with higher hydraulic conductivity, indicating different strategies for water uptake and survival.
Area of Science:
- Plant Physiology
- Ecology
- Botany
Background:
- Root traits are crucial for plant functioning in natural and agricultural systems.
- Understanding trade-offs between root morphology and hydraulic characteristics is essential.
Purpose of the Study:
- To investigate the relationship between root morphology and hydraulic traits in fine roots (<2 mm).
- To compare these relationships across tree species with varying shade tolerance levels.
Main Methods:
- Measured morphological, anatomical, and hydraulic traits of five distal root orders.
- Studied nine tree species with different shade tolerance and life history strategies.
Main Results:
- Shade-intolerant species had thinner roots with smaller xylem lumens and less secondary development.
- Shade-tolerant species exhibited greater root specific hydraulic conductance due to larger xylem diameters.
- Shade-intolerant species showed greater variation in hydraulic conductance across root orders.
Conclusions:
- Shade intolerance is linked to conservative root hydraulics but greater plasticity in xylem structure and conductance.
- Root traits of shade-intolerant species support rapid root proliferation for water uptake and growth.
- These findings extend plant growth strategies to include root hydraulic properties and adaptation to environmental uncertainty.
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