2022
DOI: 10.3389/fpls.2022.1010165
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In silico evidence for the utility of parsimonious root phenotypes for improved vegetative growth and carbon sequestration under drought

Abstract: Drought is a primary constraint to crop yields and climate change is expected to increase the frequency and severity of drought stress in the future. It has been hypothesized that crops can be made more resistant to drought and better able to sequester atmospheric carbon in the soil by selecting appropriate root phenotypes. We introduce OpenSimRoot_v2, an upgraded version of the functional-structural plant/soil model OpenSimRoot, and use it to test the utility of a maize root phenotype with fewer and steeper a… Show more

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Cited by 7 publications
(11 citation statements)
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“…OpenSimRoot is a heuristic modelling platform aimed at evaluating the utility of different architectural and anatomical root phenotypes for plant performance under resource‐limited conditions, thereby testing the adequacy of a hypothesis to understand the observed plant behaviour. More details about the OpenSimRoot framework can be found in (Postma et al, 2017; Schäfer et al, 2022). Coupling multicellular tissue‐scale RootSlice with OpenSimRoot allows multiscale evaluation of root phenotypes—i.e., cellular to whole‐plant scale, thereby fine‐tuning the spatio‐temporal and physiological abstraction of root anatomy in OpenSimRoot .…”
Section: Methodsmentioning
confidence: 99%
“…OpenSimRoot is a heuristic modelling platform aimed at evaluating the utility of different architectural and anatomical root phenotypes for plant performance under resource‐limited conditions, thereby testing the adequacy of a hypothesis to understand the observed plant behaviour. More details about the OpenSimRoot framework can be found in (Postma et al, 2017; Schäfer et al, 2022). Coupling multicellular tissue‐scale RootSlice with OpenSimRoot allows multiscale evaluation of root phenotypes—i.e., cellular to whole‐plant scale, thereby fine‐tuning the spatio‐temporal and physiological abstraction of root anatomy in OpenSimRoot .…”
Section: Methodsmentioning
confidence: 99%
“…To test the utility of CPW under suboptimal nitrogen availability we employed OpenSimRoot (74, 75). OpenSimRoot is a functional-structural plant-soil model which considers tissue construction and maintenance costs and can simulate a wide variety of soil environments.…”
Section: Discussionmentioning
confidence: 99%
“…Although predictions made by OpenSimRoot regarding the potential utility of increased CPW under suboptimal nitrogen availability were not tested in the field, the accurate prediction of numerous other related phenotypes (37, 77, 80) using OpenSimRoot highlights the potential for CPW to improve resistance to suboptimal nitrogen availability. Moreover, CPW belongs to a family (steep, cheap, and deep root system ideotype) of related phenes (4, 74) and it has been empirically shown that phenotypes from this ideotype are useful for both water and nitrogen deficit due to the mobile nature of these resources. Therefore, we propose that increased CPW merits attention as a strategy for improving plant performance under suboptimal nitrogen availability.…”
Section: Discussionmentioning
confidence: 99%
“…root systems have the potential to facilitate increased carbon allocation into deeper soil profiles (Kell, 2011;Schäfer et al, 2022) while improving nitrogen and water capture (Lynch, 2013) and reducing nitrogen leaching (Dunbabin et al, 2003).…”
Section: Crop Sciencementioning
confidence: 99%
“…Understanding the relationship between root depth and G × E × M factors can assist breeding programs, modelers to enhance crop models, and crop and soil scientists to calculate water, nitrogen, and carbon budgets. Deep and dense root systems have the potential to facilitate increased carbon allocation into deeper soil profiles (Kell, 2011; Schäfer et al., 2022) while improving nitrogen and water capture (Lynch, 2013) and reducing nitrogen leaching (Dunbabin et al., 2003).…”
Section: Introductionmentioning
confidence: 99%