Bulletin of the American Physical Society
2024 APS March Meeting
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session T36: Plant and Fungal Physics I
11:30 AM–2:06 PM,
Thursday, March 7, 2024
Room: 103B
Sponsoring
Unit:
DBIO
Chair: Daniel Goldman, Georgia Tech
Abstract: T36.00006 : Plant Hydraulic Redistribution Visualization in a Transparent Hydrogel-Based Soil
12:54 PM–1:06 PM
Presenter:
Tori M Phillips
(Auburn University)
Authors:
Tori M Phillips
(Auburn University)
JEAN-FRANÇOIS LOUF
(Auburn)
Collaborations:
Williams, Clay, Louf, Jean-François
within soil layers from regions of high to low water content. Although this
ability has been documented worldwide in various climates, species, and
soils, a quantitative understanding of the water redistributed has remained
elusive, hindering accurate modeling efforts. In this presentation, we
introduce a novel approach using transparent hydrogel-based soil to
visualize HR in soy plants in a controlled environment within a growth
chamber, allowing for visualization and quantifying of HR under various
environmental conditions. Coupling this experiment with cytological analysis,
we correlate the dimension of xylem channels with root size, and model
plant water transport abilities based on root architecture. We then connect
the quantity of water being displaced in the soil to environmental conditions,
plant physiological properties, and soil water content. Our findings offer
insights into plant-soil water dynamics, providing tools to help with flooding
mitigation or agricultural and urban planning.
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