The mean (± SE) number of days to terminal bud flush measured in
the growth initiation experiment following
winter chill and subsequent exposure
to flushing temperature treatments
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Flushing
Temperature (FT) |
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10o |
15o |
20o |
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Clonal Means for WC
treatment
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Winter
Chill (WC) |
750 h |
106.4 ± 0.4 (100%) |
101.0 ± 0.7 (87%) |
82.8 ± 1.9 (39%) |
|
100.3 ± 0.4 (76%) |
|
1500 h |
53.1 ± 0. (97%) |
39.9 ± 0.2 (99%) |
23.3 ± 0.2 (99%) |
|
38.7 ± 0.3 (98%) |
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Clonal means for FT treatment |
80.2 ± 0.7 (98%) |
68.2 ± 0.8 (93%) |
40.3 ± 0.9 (69%) |
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The
percent of cuttings that had bud flush under each treatment and
treatment-combinations are shown in
parentheses.
TABLE 2
Means of
growth rhythm traits measured in the growth cessation experiment under
different daylength and moisture stress treatments
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|
Daylength |
|
Moisture Stress |
|
Clone Means |
||||||
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|
Natural |
Extended |
Sign.a |
|
Moisture stress |
No moisture stress |
Sign. |
|
Minimum |
Maximum |
Sign. |
TBS
|
164.8 |
163.0 |
0.0001 |
|
163.5 |
164.3 |
0.0030 |
|
155.0 |
196.9 |
0.0001 |
DFF
|
37.0 |
33.7 |
0.0001 |
|
36.0 |
34.8 |
0.0001 |
|
19.1 |
66.4 |
0.0001 |
|
LBF |
196.5 |
197.2 |
NSb |
|
195.6 |
198.2 |
0.0020 |
|
181.1 |
217.3 |
0.0001 |
|
PLF |
0.84 |
0.74 |
NS |
|
0.78 |
0.80 |
NS |
|
0.1 |
1.00 |
0.0010 |
|
EBF |
69.2 |
68.5 |
NS |
|
68.8 |
68.8 |
NS |
|
49.2 |
93.3 |
0.0001 |
|
HT1 |
381.6 |
373.1 |
NS |
|
378.8 |
376.0 |
NS |
|
211.2 |
529.4 |
0.0001 |
|
HT2 |
153.8 |
143.0 |
0.0004 |
|
127.6 |
169.3 |
0.0001 |
|
3.6 |
258.6 |
0.0001 |
|
HTT |
534.9 |
516.1 |
0.0010 |
|
506.3 |
544.7 |
0.0001 |
|
278.8 |
700.0 |
0.0001 |
|
DSE |
96.9 |
94.0 |
0.0001 |
|
93.0 |
97.9 |
0.0001 |
|
78.9 |
112.0 |
0.0002 |
|
DCG |
224.4 |
223.4 |
NS |
|
220.5 |
227.3 |
0.0001 |
|
200.0 |
236.6 |
0.0060 |
|
SEI |
5.1 |
5.0 |
NS |
|
4.9 |
5.1 |
NS |
|
2.9 |
6.8 |
0.0080 |
Terminal
bud flush (tbfgc) not
included because measurement was made prior to treatment. See Table 1 for trait definitions.
a significance [p(F-value)]
b non-significant
Phenotypic correlations among traits measured in the growth
cessation experiment
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TBFCG |
TBS |
DFF |
HT1 |
LBF |
PLF |
EBF |
HT2 |
HTT |
DCG |
DSE |
|
TBFCG |
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TBS |
0.31 |
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DFF |
-0.41 |
0.73 |
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HT1 |
-0.05 |
0.30 |
0.32 |
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LBF |
0.24 |
0.29 |
0.09 |
0.20 |
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PLF |
-0.15 |
-0.29 |
-0.16 |
-0.04 |
-0.17 |
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EBF |
-0.25 |
0.14 |
0.32 |
0.23 |
0.86 |
-0.14 |
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HT2 |
-0.16 |
-0.24 |
-0.12 |
0.06 |
-0.33 |
0.81 |
-0.28 |
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|
HTT |
-0.13 |
0.07 |
0.16 |
0.78 |
-0.03 |
0.47 |
0.02 |
0.67 |
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|
DCG |
0.04 |
-0.03 |
-0.06 |
0.01 |
0.11 |
0.69 |
0.04 |
0.69 |
0.45 |
|
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|
DSE |
-0.44 |
-0.18 |
0.15 |
0.04 |
-0.04 |
0.69 |
0.18 |
0.70 |
0.47 |
0.87 |
|
|
SEI |
0.13 |
0.20 |
0.10 |
0.86 |
0.00 |
0.12 |
-0.07 |
0.32 |
0.84 |
0.00 |
-0.06 |
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