Monthly mean DSR for Malus ‘Radiant’ trees treated with three rates of Paclobutrazol or control. Values represent means of 10 trees. Different letters after values across each row (month) indicate a significant difference between rates.
| Control | 0.8 g PBZ | 1.6 g PBZ | 2.4 g PBZ | |
|---|---|---|---|---|
| June 2002 | 3.4a | 1.5b | 1.3bc | 0.5c |
| July 2002 | 4.0a | 2.6b | 1.5c | 1.1c |
| August 2002 | 5.0a | 4.7ab | 4.1b | 3.8b |
| June 2003 | 3.5a | 1.6b | 1.1b | 0.9b |
| July 2003 | 3.7a | 2.0b | 1.4bc | 1.0c |
| August 2003 | 3.8a | 2.8b | 2.6bc | 1.7c |
| June 2004 | 4.0a | 4.0a | 3.9a | 3.7a |
| July 2004 | 4.4a | 4.2a | 4.1a | 4.0a |
| August 2004 | 4.9a | 4.6a | 4.5a | 4.0a |