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Table 1 Mean, minimum, maximum values and coefficient of variation for growth traits (excludes QCI controls)

From: The potential to improve growth rate and quality traits of stem straightness and branching habit when breeding Picea sitchensis (Bong.) Carr

Trait

N

Mean

Minimum

Maximum

Coefficient of variation (%)

Height10 (m)

492

4.54

3

6.4

14.70

Height20 (m)

495

12.52

8.2

15.8

10.71

Crown depth20 (m)

495

7.81

3.2

11.3

16.75

DBH15 (cm)

495

13.84

9.2

20.8

15.62

Branch number20

495

5.68

2

15

–

Branch angle20 (deg)

495

68.62

33

89.62

11.95

Branch diam.20 (mm)

495

20.52

10.05

30.26

18.19

Branch score a15

495

3.49

1

6

–

Stem score a15

495

2.79

1

5

–

  1. Subscript on the trait description is the tree age when the measurements were made. Coefficient of variation not calculated on count data. N = number of trees
  2. aBranch and stem scores range from 1 = best to 6 = worst
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Annals of Forest Science

ISSN: 1297-966X