Table 3. Growth data of Deli x Calabar cross during the prenursery phase.

Variable Before 
planting
Days after planting
37 51 63 77 90 126
Plumule length 1.5 ±0.3            
Radicle length 2.8 ±1.1 19.4 ±2.1 24.8 ±0.9 26.2 ±3.1 26.1 ±5.0 27.2 ±2.9 27.9 ±6.38
No of adventicious roots 3.6 ±1.8 8.5 ±5.4 8.0 ±5.4 2.3 ±1.3 1.8 ±1.7 2.5 ±1.7 0.3 ±0.5
Length of adventicious roots   3.7 ±1.3 4.1 ±1.4 2.9 ±3.3 2.5 ±0.6 3.4 ±1.3 2.1 ±2.7
No of primary roots     0.4 ±0.2 0.9 ±0.1 1.0 ±0.3 1.4 ±0.2 3.7 ±0.4
Length of primary roots     2.6 ±1.7 5.2 ±4.7 9.0 ±0.3 10.8 ±2.4 16.7 ±1.3
Bulb diameter (mm)   5.90 ±0.42 6.00 ±0.12 6.22 ±0.38 6.99 ±0.36 8.40 ±0.59 11.64 ±0.77
Length of the youngest completed formed leaf (cm)     11.6 ±0.5 14.2 ±1.8 19.4 ±1.5
Width of the youngest completed formed leaf (cm)     3.4 ±0.1 3.7 ±0.5 5.5 ±0.2
No of leaves totally open         1.9 ±0.2 2.4 ±0.4 4.2 ±0.2
Root dry weight (g)   0.0778 ±0.0159 0.1037 ±0.0067 0.1290 ±0.0259 0.1715 ±0.0420 0.2428 ±0.0541 0.6059 ±0.1740
Aerial part dry weight (g)   0.1362 ±0.0259 0.3897 ±0.3026 0.3427 ±0.0564 0.4861 ±0.0311 0.9003 ±0.1080 2.1544 ±0.3148
Total dry weight(g)   0.2140 ±0.0416 0.4934 ±0.3042 0.4717 ±0.0808 0.6575 ±0.0722 1.1431 ±0.1588 2.7604 ±0.4864

        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.