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Table 6 Experimental results (mean number of days to bud burst and standard deviations) and mixed between within-subject ANOVA results of type III test for the fixed effects on the timing of bud burst for Betula pubescens and Populus tremula clones in experiment 2

From: Chilling temperature and photoperiod influence the timing of bud burst in juvenile Betula pubescens Ehrh. and Populus tremulaL. trees

 

Number of days to bud burst

Mixed ANOVA results

P (10 h)

P (16 h)

Fixed effects

Type III sum of squares

MC

IC

FC

MC

IC

FC

df

F

p

B. pubescens

Mean

–

28

13

56

28

18

C

2

5051.5

<0.001

St. Dev.

–

3

3

4

6

4

P

1

0.81

0.37

       

C × P

2

219.14

<0.001

P. tremula

Mean

52

41

20

57

17

14

C

2

9009.3

<0.001

St. Dev.

5

6

4

2

2

4

P

1

305.09

<0.001

       

C × P

2

134.64

<0.001

  1. P photoperiod, MC minimal chilling, IC intermediate chilling, FC full chilling, C chilling duration. Significant p values (<0.001) are in bold
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Annals of Forest Science

ISSN: 1297-966X