Table 1. Root and nodule-related traits evaluated in M. truncatula, Arabidopsis, and P. virgatum for 155 synthetic peptides.
At, Arabidopsis; Mt, M. truncatula; Pv, P. virgatum.
| Trait | Species Tested |
|---|---|
| Descriptive traits | |
| Root phenotype | Mt |
| Nodule phenotype | Mt |
| Ca-Spike Assay | Mt |
| Primary root traits | |
| Primary root length (cm) | Mt, At, Pv |
| Lateral root density (n/cm) | Mt, At, Pv |
| Primary root mean diameter (cm) | Mt, At, Pv |
| Primary root surface area (cm2) | Mt, At, Pv |
| Primary root volume (cm3) | Mt, At, Pv |
| Primary root straightness (vector length/total length) | Mt, At, Pv |
| Lateral root traits | |
| Total number of lateral roots | Mt |
| Total lateral root length (cm) | Mt, At |
| Number of secondary lateral roots | Mt, At, Pv |
| Total length of secondary lateral roots | Mt, At, Pv |
| Mean length of secondary lateral roots | Mt, At, Pv |
| Mean diameter of secondary lateral roots (cm) | Mt, At, Pv |
| Mean diameter of all lateral roots (cm) | Mt |
| Secondary lateral roots surface area (cm2) | Mt, At, Pv |
| Secondary lateral roots volume (cm3) | Mt, At, Pv |
| Secondary lateral roots insertion angle (°) | Mt, At, Pv |
| Total root traits | |
| Total root length (cm) | Mt, At, Pv |
| Total root surface area system (cm2) | Mt, At, Pv |
| Total root volume system (cm3) | Mt, At, Pv |
| Nodule traits | |
| Nodule number | Mt |
| Nodule density | Mt |