Journal
NEW PHYTOLOGIST
Volume 225, Issue 3, Pages 1111-1119Publisher
WILEY
DOI: 10.1111/nph.15955
Keywords
agriculture; cell-specific; drought stress; nitrogen; plasticity; root architecture; salinity tolerance; transporters
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Plants are inherently dynamic. Dynamics minimize stress while enabling plants to flexibly acquire resources. Three examples are presented for plants tolerating saline soil: transport of sodium chloride (NaCl), water and macronutrients is nonuniform along a branched root; water and NaCl redistribute between shoot and soil at night-time; and ATP for salt exclusion is much lower in thinner branch roots than main roots, quantified using a biophysical model and geometry from anatomy. Noninvasive phenotyping and precision agriculture technologies can be used together to harness plant dynamics, but analytical methods are needed. A plant advancing in time through a soil and atmosphere space is proposed as a framework for dynamic data and their relationship to crop improvement.
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