| Cultivars | Harvest sites | Age month interval | Growth parameters evaluated | |||||
| Average plant height (cm) | Average collar diameter (cm) | Average number of leaves | Average leaf area (cm²) | Average number of roots | Average root weight (g) | |||
| White | Nkometou | 3 - 6 | 062.30 ± 18.16bc | 02.36 ± 00.51a | 01.66 ± 00.57a | 483.59 ± 095.12ab | 17.00 ± 05.29ab | 16.23 ± 01.64b |
| 6 - 9 | 133.13 ± 40.60e | 05.00 ± 00.45b | 03.00 ± 01.00a | 1534.72 ± 237.04cd | 31.66 ± 08.14bc | 90.69 ± 05.64c | ||
| 9 - 12 | 158.73 ± 07.54f | 07.53 ± 01.02c | 03.00 ± 01.00a | 1840.52 ± 371.47d | 62.33 ± 09.01d | 186.38 ± 26.94c | ||
| Olembe | 3 - 6 | 057.24 ± 01.82bc | 02.06 ± 00.98a | 02.00 ± 01.00a | 406.83 ± 093.02ab | 16.80 ± 07.00ab | 01.78 ± 00.54a | |
| 6 - 9 | 038.60 ± 09.38ab | 01.28 ± 00.55a | 01.60 ± 00.57a | 197.53 ± 029.77ab | 15.40 ± 03.60ab | 04.24 ± 00.34a | ||
| 9 - 12 | 103.15 ± 1.35d | 05.25 ± 03.18b | 03.50 ± 00.50a | 1402.57 ± 324.17cd | 50.00 ± 49.49bcd | 23.96 ± 14.04b | ||
| Soa | 3 - 6 | 024.50 ± 10.40a | 00.96 ± 00.17a | 01.80 ± 00.00a | 137.87 ± 019.21ab | 26.20 ± 01.73bc | 09.79 ± 00.92a | |
| 6 - 9 | 074.66 ± 05.68c | 04.48 ± 00.25b | 03.83 ± 00.94a | 758.78 ± 143.27abc | 44.66 ± 17.21bcd | 316.65 ± 27.13e | ||
| 9 - 12 | 121.6 ± 08.88de | 05.44 ± 00.46b | 03.20 ± 00.81a | 1091.20 ± 25.08bc | 42.60 ± 07.09bcd | 200.69 ± 08.73d | ||
| Red | Nkometou | 3 - 6 | 062.83 ± 07.25bc | 01.43 ± 00.60a | 01.66 ± 00.57a | 228.01 ± 041.73ab | 12.66 ± 07.3ab | 07.70 ± 01.34a |
| 6 - 9 | 102.76 ± 12.91d | 04.30 ± 01.57b | 02.33 ± 00.57a | 681.86 ± 148.32abc | 67.33 ± 40.06bcd | 108.91 ± 28.75c | ||
| 9 - 12 | 118.33 ± 04.61de | 06.93 ± 00.05bc | 04.00 ± 01.00a | 1294.21 ± 289.74bc | 106.00 ± 12.76f | 223.59 ± 16.14 d | ||
| Olembe | 3 - 6 | 054.52 ± 12.56b | 01.80 ± 00.45a | 01.80 ± 00.57a | 293.89 ± 074.20ab | 09.80 ± 01.52 a | 04.26 ± 00.66a | |
| 6 - 9 | 078.35 ± 21.78c | 04.05 ± 00.66b | 01.75 ± 00.57a | 500.99 ± 167.78ab | 29.75 ± 13.22abc | 52.85 ± 04.13b | ||
| 9 - 12 | 125.24 ± 38.58e | 07.74 ± 02.66c | 03.20 ± 00.88a | 1542.34 ± 115.29c | 71.20 ± 27.50cd | 164.26 ± 15.32c | ||
| Soa | 3 - 6 | 026.25 ± 02.80a | 01.14 ± 00.15a | 01.85 ± 00.47a | 152.91 ± 050.93a | 19.57 ± 07.37ab | 13.75 ± 00.20a | |
| 6 - 9 | 070.00 ± 05.39bc | 04.10 ± 00.60b | 03.00 ± 00.00a | 862.56 ± 287.74bc | 37.16 ± 09.50abc | 133.25 ± 01.82c | ||
| 9 - 12 | 133.11 ± 05.29e | 07.65 ± 01.35c | 03.50 ± 00.81a | 2564.55 ± 417.76d | 98.00 ± 39.87e | 625.42 ± 18.86f | ||