Table 1.
Different types of leaf curvature in B. rapa.
| Crop types | Curvature types | Phenotypes | Genotypes |
|---|---|---|---|
| Heading Chinese cabbage | Flat | Flat leaves | rp-1 |
| Flat leaves, shrunk | rp-4 | ||
| Downward curving leaves | Leaves downward curving in longitudinal direction | rp-3, rp-5, rp-9 | |
| Serrated blades | Serrated blades, blades downward curving in longitudinal direction | rp-3 | |
| Serrated blades, blades upward curving in transverse and longitudinal directions | rp-6 | ||
| Serrated blades, blades upward curving in transverse direction and downward curving in longitudinal directions | rp-8 | ||
| Wavy margins | Wavy margins, blades upward curving in transverse direction and downward curved in longitudinal direction | rp-3,rp-5, rp-9 | |
| Wavy margins, blades upward curving in transverse and longitudinal directions | rp-6, rp-8 | ||
| Upward curving leaves | Leaves upward curving in transverse and longitudinal directions | rp-2, rp-6, rp-7, rp-8 | |
| Leaves upward curving in transverse and downward curving in longitudinal directions, wavy margins | rp-3, rp-5, rp-9 | ||
| Non-heading Chinese cabbage | Flat | Flat blades | rc-1 |
| Flat blades, deeply serrated | rc-6 | ||
| Downward curving leaves | Leaves downward curving | rc-3, rc-4 | |
| Inward curving petioles | Petioles inward curving | rc-2, rc-5 | |
| Serrated blades, | Blades upwardly curving in transverse and longitudinal directions | rc-4 | |
| wavy margins | Wavy margins | rc-4 | |
| Wavy margins, bulged | rc-5 | ||
| upward curving leaves | Blades upward curving in transverse and longitudinal directions, bulged | rc-2 | |
| Blades upward curving in transverse and longitudinal directions, bulged, wavy margins | rc-5 | ||
| Turnip | Downward curving leaves | Blades downward curving, lobed | rr-1 |
The 14th leaves of all genotypes were observed and classified according to the direction, degree, and position of leaf curvature.