| Treatment | 2015 | 2016 | ||||||||
| August 15 | September 9 | October 16 | June 30 | October 20 | ||||||
| Terminal | Side | Terminal | Side | Terminal | Side | Terminal | Side | Terminal | Side | |
| Rootstock |
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| Nic 29 | 61.72 ax | 54.30 b | 59.07 a | 51.52 b | 59.46 a | 53.00 b | 58.42 a | 53.75 b | 58.95 a | 50.49 b |
| Bud 9 | 60.47 a | 56.86 a | 57.42 b | 52.78 a | 56.36 b | 54.08 a | 58.21 a | 55.65 a | 57.90 b | 51.31 a |
| Tree Training |
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| Central Leader | 62.80 a | 56.00 a | 59.97 a | 52.47 a | 58.59 a | 54.45 a | 58.73 a | 54.32 a | 57.97 a | 49.65 a |
| Tall Spindle | 59.32 b | 55.16 a | 56.48 b | 51.85 a | 57.09 b | 52.60 a | 57.98 b | 55.09 a | 56.89 b | 51.94 a |
| Girdlingz |
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| NOGD | 62.35 a | 55.51 a | 58.43 a | 52.83 a | 59.26 a | 54.28 a | 59.11 ab | 55.03 ab | 57.85 ab | 51.99 ab |
| BG15 | 58.62 b | 53.42 b | 56.88 b | 50.48 b | 56.48 b | 51.66 b | 58.52 ab | 55.85 a | 58.09 ab | 52.70 a |
| SG15 | 62.49 a | 57.89 a | 59.42 a | 53.22 a | 57.79 a | 54.59 a | 59.30 a | 55.42 a | 60.09 a | 50.79 ab |
| BG1516 | . | . | . | . | . | . | 57.35 b | 52.50 b | 56.32 b | 48.65 b |
| SG1516 | . | . | . | . | . | . | 56.78 b | 54.99 ab | 57.65 ab | 49.81 ab |