Analysis of Root System Architecture Affected by Swarming Behavior

The root system architecture (RSA) displays complex morphological characteristics because of diverse root growth behaviors. Recent studies have revealed that swarming behavior among roots is particularly important for RSA to adapt to environmental stimuli. However, few models are proposed to simulat...

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Veröffentlicht in:Journal of Horticultural Research Jg. 28; H. 1; S. 1 - 12
Hauptverfasser: Li, Songyang, Yu, Wenqi, Liu, Xiaodong, Wang, Miao
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Skierniewice. Poland Sciendo 01.06.2020
De Gruyter Brill Sp. z o.o., Paradigm Publishing Services
Schlagworte:
Adaptation
functional-structural root modeling
group behavior
horticulture
lateral roots
Nutrients
plasticity
root growth
root growth strategies
root plasticity
root systems
Simulation
soil
soil environment
swarming behavior
swarms
ISSN:2300-5009, 2353-3978, 2353-3978, 2300-5009
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Zusammenfassung:The root system architecture (RSA) displays complex morphological characteristics because of diverse root growth behaviors. Recent studies have revealed that swarming behavior among roots is particularly important for RSA to adapt to environmental stimuli. However, few models are proposed to simulate RSA based on swarming behavior of roots. To analyze plasticity of RSA affected by swarming behavior, we propose viewing it as a swarm of single roots. A swarming behavior model is proposed by considering repulsion, alignment, and preference of individual single roots. Then, the swarming behavior model is integrated into a simple and generic RSA model (called ArchiSimple). Lastly, characteristics of RSA affected by swarming behavior model and non-swarming behavior model are compared and analyzed under three different virtual soil sets. The characteristics of RSA (such as primary root length, lateral root length, lateral roots, and resource uptake) are significantly promoted by swarming behavior. Root system distributions can also be greatly affected by swarming behavior. These results show that root foraging and exploration in soil can be regarded as collective behavior of individual single root.
Bibliographie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:2300-5009
2353-3978
2353-3978
2300-5009
DOI:10.2478/johr-2020-0006