Table I.
Mean temperatures between August 16 and October 10, estimated onset of senescence dates, and degradation rates of chlorophyll in tree 201 growing on the university campus
| Year | Temperature | Start Day | Year Day | Degradation Rate |
|---|---|---|---|---|
| °C | % d−1 | |||
| 1999 | 11.1 | September 9 | 251.2 | 4.48 |
| 2001 | 11.6 | September 9 | 250.9 | 3.06 |
| 2002 | 11.1 | September 10 | 252.5 | 3.51 |
| 2003 | 10.6 | September 9 | 251.0 | 4.34 |
| 2004 | 10.8 | September 12 | 254.7 | 6.14 |
| 2005 | 11.7 | September 5 | 247.1 | 3.00 |
| 2006 | 13.3 | September 11 | 253.2 | 2.01 |
| 2007 | 10.2 | September 10 | 252.4 | 4.24 |
| Mean | 11.3 | September 9 | 251.6 | 3.85 |
| sd | 0.93 | 2.2 | 1.25 |