Table 1 Effect of site and provenance on tree damage scores in GLM ANOVA tables: (a) excluding Scores 0 and 1 trees; (b) excluding Score 0 trees.

From: A first assessment of Fraxinus excelsior (common ash) susceptibility to Hymenoscyphus fraxineus (ash dieback) throughout the British Isles

(a) Effect

df

Adj. MS

F

Factorial

Site

1

8466.3

6042.8*

Provenance NSZ

10

34.9

24.9*

Provenance NSZ * Site

10

14.0

10.0*

Error

20,077

1.4

 

Total

20,098

  

(b) Effect

df

Adj. MS

F

Factorial

Site

1

7077.7

4121.1*

Provenance NSZ

10

35.7

20.8*

Provenance NSZ * Site

10

19.5

11.4*

Error

20,636

1.7

 

Total

20,657

  
  1. Site and seed source provenance were included as factors and provenances not present at both sites and in all blocks (DEU, FRA, CLARE, and NSZ 403) were excluded. *p ≤ 0.001.
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