Skip to main content

Table 7 Mean and standard deviations (in brackets) of variables for stem straightness and presence of Fusarium circinatum with regard to stem quality in softwoods

From: Improving stem quality assessment based on national forest inventory data: an approach applied to Spanish forests

Species

% Single crook

% Multiple crooks

Maximum crook

% F. circinatum presence

P. sylvestris

93.6

2.9

8.1 (8.4)

0.1

P. nigra

90.4

2.6

7.5 (7.8)

0.3

P. pinaster

80.9

11.4

15.2 (17.8)

8.8

P. radiata

62.7

9.0

8.2 (7.5)

18.6

  1. % Single crook percentage of sampled trees with single crook (dichotomic variable 0/1), % Multiple crooks percentage of sampled trees with multiple crooks (dichotomic variable 0/1), Maximum crook maximum depth of crook in the first 6 m of the stem (cm), % F. circinatum presence percentage of trees with signs of F. circinatum in the stem (dichotomic variable 0/1)
Back to article page

Annals of Forest Science

ISSN: 1297-966X