Early root phenotyping in sweetpotato (Ipomoea batatas L.) uncovers insights into root system architecture variability

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Plant Biology

Main article text

 

Introduction

Materials & Methods

Root phenotyping platform

Individual growth unit

Growth unit assembly and stem (‘slip’) placement in growth unit

Irrigation system (ebb-and-flow system)

Location, genotypes, and growth condition

Data collection

Image analysis

Root image descriptors

Statistical analysis

Results

Root phenotyping platform performance

Root development in the system

Root phenotype variation

Root length pattern and root-depth index

Root branching density

Root length distribution by diameter class

Discussion

Conclusions

Supplemental Information

Raw data from WinRhizo software

Individual raw data points from each replicate of both Covington and NC10-275 sweetpotato genotypes after analysis using WinRhizo software.

DOI: 10.7717/peerj.15448/supp-1

Additional Information and Declarations

Competing Interests

The authors declare there are no competing interests.

Author Contributions

Luis O. Duque conceived and designed the experiments, performed the experiments, analyzed the data, prepared figures and/or tables, authored or reviewed drafts of the article, and approved the final draft.

Data Availability

The following information was supplied regarding data availability:

The raw root phenotyping data are available in the Supplementary File.

Funding

This work was supported by the USDA National Institute of Food and Agriculture and Hatch Appropriations under Project #PEN04582 and Accession #1005492. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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