Related Experiment Video
Updated: Jul 14, 2026
11:37
RGB and Spectral Root Imaging for Plant Phenotyping and Physiological Research: Experimental Setup and Imaging Protocols
Published on: August 8, 2017
RootHairAreaFinder: an image processing method for quantifying barley root growth and root hairs simultaneously in a
George Themistokleous1,2,3, Kirsty Binnie1, Blair M McKenzie1,4
1Ecological Sciences, The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, Scotland, UK.
Plant Methods
|July 12, 2026
Summary
A new imaging system quantifies barley root system architecture and root hairs simultaneously. This non-destructive method allows for repeated, in situ measurements, aiding studies on root traits and soil interactions.
Area of Science:
- Plant Biology
- Agricultural Science
- Root Phenotyping
Background:
- Root system architecture and root hairs are crucial for plant resource acquisition.
- Simultaneous whole-plant scale quantification of these traits is challenging due to imaging and measurement constraints.
Purpose of the Study:
- To develop and validate a novel plant growth and imaging system for non-destructive, repeated quantification of barley root traits.
- To enable integrated analysis of root system architecture and visible projected root hair area.
Main Methods:
- Utilized A3 sized flatbed rhizotrons and a non-machine-learning R-based image analysis workflow.
- Enabled in situ, repeated measurements of barley root system architecture and visible projected root hair area over three weeks.
- Validated image analysis algorithm performance with high segmentation accuracy.
Main Results:
- The system successfully quantified both whole-root architecture and spatial distribution of root hairs from single images.
- Demonstrated experimental applicability by assessing root growth and hair responses under varying irrigation and soil density conditions.
- Enabled analysis of root hair expansion at individual root tips.
Conclusions:
- The developed methodology offers a training-free approach for integrated root trait analysis.
- Facilitates studies on root-soil interactions requiring both spatial resolution and temporal continuity.
- Provides a valuable tool for controlled environmental studies of root development and resource uptake.
