Figure 2From: Recovering complete plant root system architectures from soil via X-ray μ-Computed TomographyExtraction of a simple, artificially generated, plagiotropic root by RooTrak. a. The primary root is extracted and one upward growing section marked on the first pass through the stack. Subsequent processing focusses on the marked branch, extracting a complete description following five further tracking stages (b-f).Back to article page