| Definition: | The diameter of the main root. |
| Comments: | Measured at a stipulated level of the root. |
| Root width, primary 1-1 |
| Root width, primary 2-1 |
| Source | Accession |
|---|---|
| Plant Trait Ontology | TO:0000306 |
| Plant Ontology | PO:0020127 |
| SoyBase Soybean Ontology | SOY:0001747 |
| Funded by the USDA-ARS. Developed by the USDA-ARS SoyBase and Legume Clade Database group at the Iowa State University, Ames, IA | ||