| Trt | POT Stem Circumference (cm) | FIELD Stem Circumference (cm) | ||||||||
| 2 WAS | 4 WAS | 6 WAS | 8 WAS | 10 WAS | 2 WAS | 4 WAS | 6 WAS | 8 WAS | 10 WAS | |
| TOC | 0.53 a | 0.97 a | 2.17 a | 2.60 a | 2.93 a | 0.50 a | 0.83 a | 1.93 a | 2.07 a | 2.27 a |
| TNC | 0.43 b | 0.57 b | 0.63 b | 0.57 b | 1.15 b | 0.40 b | 0.57 b | 0.70 b | 0.83 b | 0.93 b |
| TSC | 0.40 b | 0.60 b | 0.70 b | 0.87 b | 1.33 b | 0.43 ab | 0.57 b | 0.70 b | 0.83 b | 0.93 b |
| TLC | 0.47 ab | 0.60 b | 0.70 b | 0.93 b | 1.10 b | 0.43 ab | 0.57 b | 0.77 b | 0.77 b | 0.87 b |