Table 3.
Phenotypic correlations for traits measured at seedling and at clonal evaluation stages. All the phenotypic correlations (rp) ≥0.24 in absolute values were significant (P ≤ 0.05) at an individual test level.
| Traits† | Vigor-ST | CBSD6s-ST | CBSDRs-ST | CBSDRi-ST | CMD6s-ST |
|---|---|---|---|---|---|
| CBSD3s-CT | −0.12 | −0.08 | 0.34 | 0.29 | 0.01 |
| CBSD3i-CT | −0.13 | −0.08 | 0.35 | 0.30 | 0.02 |
| CBSD6s-CT | −0.08 | −0.07 | 0.26 | 0.25 | 0.06 |
| CBSD6i-CT | −0.08 | −0.08 | 0.25 | 0.24 | 0.08 |
| CBSDRs-CT | −0.08 | 0.05 | 0.39 | 0.35 | −0.11 |
| CBSDRi-CT | −0.09 | 0.04 | 0.36 | 0.36 | −0.05 |
| CMD3s-CT | 0.03 | −0.06 | 0.01 | −0.02 | 0.05 |
| CMD3i-CT | 0.04 | −0.07 | 0.02 | −0.01 | 0.04 |
| CMD6s-CT | 0.05 | −0.06 | 0.02 | −0.01 | 0.08 |
| CMD6i-CT | 0.07 | −0.07 | 0.01 | −0.02 | 0.11 |
| HI-CT | −0.01 | 0.01 | −0.18 | −0.12 | 0.00 |
| RTWT-CT | 0.08 | 0.03 | −0.07 | −0.05 | 0.00 |
| DMC-CT | 0.07 | −0.04 | −0.11 | −0.07 | 0.01 |
| Vigor-CT | 0.12 | 0.00 | −0.08 | −0.07 | 0.00 |
Vigor-ST, seedling plant vigor; CBSD6s-ST, seedling cassava brown streak disease severity assessed at 6 mo after planting; CBSDRs-ST, seedling cassava brown streak disease root severity at 12 mo after planting; CBSDRi-ST, seedling cassava brown streak disease root incidence at 12 mo after planting; CMD6s-ST, seedling cassava mosaic disease severity assessed at 6 mo after planting; CBSD3s-CT, clonal cassava brown streak disease severity assessed at 3 mo after planting; CBSD3i-CT, clonal cassava brown streak disease incidence at 3 mo after planting; CBSD6s-CT, clonal cassava brown streak disease severity assessed at 6 mo after planting; CBSD6i-CT, clonal cassava brown streak disease incidence at 6 mo after planting; CBSDRs-CT, clonal cassava brown streak disease root severity at 12 mo after planting; CBSDRi-CT, clonal cassava brown streak disease root incidence at 12 mo after planting; CMD3s-CT, clonal cassava mosaic disease severity scored at 3 mo after planting; CMD3i-CT, clonal cassava mosaic disease incidence at 3 mo after planting; CMD6s-CT, clonal cassava mosaic disease severity scored at 6 mo after planting; CMD6i-CT, clonal cassava mosaic disease incidence at 6 mo after planting; HI-CT, clonal harvest index; RTWT-CT, clonal root weight per plot; DMC-CT, clonal dry matter content; Vigor-CT, clonal plant vigor.