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Table 6. Growth data of Deli x Yangambi cross during the prenursery phase. | |||||||
| Variable | Before planting |
Days after planting | |||||
|---|---|---|---|---|---|---|---|
| 37 | 51 | 63 | 77 | 90 | 126 | ||
| Plumule length | 2.3 ±0.5 | ||||||
| Radicle length | 4.2 ±1.3 | 21.1 ±3.7 | 23.3 ±2.3 | 27.1 ±1.9 | 28.9 ±3.0 | 32.1 ±6.9 | 31.1 ±3.8 |
| No of adventicious roots | 3.2 ±1.7 | 13.8 ±5.3 | 9.5 ±6.0 | 4.3 ±3.4 | 6.3 ±2.4 | 1.5 ±1.0 | 1.3 ±1.0 |
| Length of adventicious roots | 2.8 ±1.5 | 2.4 ±1.0 | 1.4 ±1.0 | 25.5 ±2.0 | 3.4 ±1.3 | 0.9 ±0.2 | |
| No of primary roots | 1.0 ±0.1 | 1.0 ±0.1 | 1.3 ±0.3 | 1.8 ±0.2 | 4.2 ±0.2 | ||
| Length of primary roots | 2.6 ±3.4 | 6.0 ±4.8 | 8.8 ±3.7 | 13.4 ±3.4 | 18.0 ±1.4 | ||
| Bulb diameter (mm) | 6.40 ±0.26 | 6.59 ±0.28 | 6.74 ±0.40 | 7.40 ±0.45 | 8.83 ±0.70 | 13.07 ±1.00 | |
| Length of the youngest completed formed leaf (cm) | 14.4 ±0.6 | 16.8 ±1.5 | 24.0 ±1.5 | ||||
| Width of the youngest completed formed leaf (cm) | 3.9 ±0.2 | 4.2 ±0.3 | 6.6 ±0.3 | ||||
| No of leaves totally open | 2.0 ±0.1 | 2.7 ±0.1 | 4.2 ±0.3 | ||||
| Root dry weight (g) | 0.1089 ±0.0139 | 0.1728 ±0.0138 | 0.2121 ±0.0387 | 0.3010 ±0.0480 | 0.3830 ±0.0308 | 0.8304 ±0.0819 | |
| Aerial part dry weight (g) | 0.1771 ±0.0129 | 0.3161 ±0.0234 | 0.4534 ±0.0990 | 0.6551 ±0.0647 | 1.1001 ±0.2184 | 2.8594 ±0.2209 | |
| Total dry weight(g) | 0.2860 ±0.0973 | 0.4890 ±0.0614 | 0.6656 ±0.0517 | 0.9562 ±0.0191 | 1.4831 ±0.2985 | 3.6898 ±0.1895 | |
|
Numbers are means and standard deviation of a sample of 24 plants, except for data taken before planting, where the sample was of 256 germinated seeds. |
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