Table II.
Initiation, unfolding, visible yellowing, life span, and desiccation of the studied leaves
| Treatment | Phytomere Position | Phytomere Initiation | Leaf Unfolding | Leaf Visible Yellowing | Leaf Life Span | Leaf Desiccation |
|---|---|---|---|---|---|---|
| °Cd (d) | ||||||
| Excised flowers | 14 | 151 (10) | 580 (44) | 1,450 (103) | 870 (59) | –a |
| Control | 10 | 46 (3) | 436 (33) | 1,165 (85) | 729 (52) | 1,311 (94) |
| Control | 14 | 151 (10) | 583 (44) | 1,180 (86) | 597 (42) | 1,311 (94) |
| Control | 20 | 344 (25) | 804 (60) | 1,196 (87) | 392 (27) | 1,311 (94) |
| Water deficit | 14 | 149 (10) | 604 (46) | 996 (73) | 392 (27) | 1,094 (80) |
The dates of phytomere initiation, leaf unfolding, leaf visible yellowing, and leaf desiccation are expressed in thermal time (°Cd) after emergence (corresponding days in parentheses). The life span of the leaves was calculated as the time interval between unfolding and visible yellowing.
a
–, Dessication had not yet occurred in leaf 14 of plants with excised flowers at the last sampling date (1,643 °Cd [115 d] after emergence).