Imaging microstructure of the barley rhizosphere: particle packing and root hair influences

• Soil adjacent to roots has distinct structural and physical properties from bulk soil, affecting water and solute acquisition by plants. Detailed knowledge on how root activity and traits such as root hairs affect the three-dimensional pore structure at a fine scale is scarce and often contradicto...

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Bibliographic Details
Published in:The New phytologist 2019-03, Vol.221 (4), p.1878-1889
Main Authors: Koebernick, Nicolai, Daly, Keith R., Keyes, Samuel D., Bengough, Anthony G., Brown, Lawrie K., Cooper, Laura J., George, Timothy S., Hallett, Paul D., Naveed, Muhammad, Raffan, Annette, Roose, Tiina
Format: Article
Language:English
Subjects:
Barley
Computed tomography
Epidermis
Genotypes
Hairless
Hordeum - genetics
Hordeum - microbiology
Hordeum vulgare
Imaging techniques
Imaging, Three-Dimensional
Loam
Loam soils
Microstructure
Mutation
noninvasive imaging
particle packing
Particle size distribution
Physical properties
Plant Roots - genetics
Plant Roots - microbiology
Pore size
Pore size distribution
Porosity
Rhizosphere
Root hairs
Roots
Sandy loam
Sandy soils
Silica
Size distribution
Skin
Soil
Soil - chemistry
Soil compaction
Soil porosity
Soil properties
Soil structure
Soil water
Solutes
Statistical analysis
synchrotron
Synchrotrons
Tomography
Tomography, X-Ray Computed
Tubes
Water - analysis
Water regimes
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Summary:• Soil adjacent to roots has distinct structural and physical properties from bulk soil, affecting water and solute acquisition by plants. Detailed knowledge on how root activity and traits such as root hairs affect the three-dimensional pore structure at a fine scale is scarce and often contradictory. • Roots of hairless barley (Hordeum vulgare L. cv Optic) mutant (NRH) and its wildtype (WT) parent were grown in tubes of sieved (
ISSN:0028-646X
1469-8137
DOI:10.1111/nph.15516