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Table 3 Coefficient of variation in the traits studied by year, seedling planting density, and root pruning status. Values marked with the same lowercase letter are not different at p < 0.05 within columns, and values marked with the same uppercase letter are not different at p < 0.05 within rows within each experimental year. Seedling planting density per container (four or eight) is shown in row two and pruning status (C = control and P = seedlings with pruned taproots) is shown in row three

From: Functional response of Quercus robur L. to taproot pruning: a 5-year case study

 

2012 (year of pruning)

2014 (3 years after pruning)

2015 (4 years after pruning)

4

8

F

P

4

8

F

P

4

8

F

P

C

P

C

P

C

P

C

P

C

P

C

P

SLA

      

28 ab

6

21 bc

18 d

1.08

0.402

15

24

25 abc

18

0.45

0.724

SSL

101 a

102 ab

80 a

100 a

0.009

0.965

71 a

30

64 a

83 a

1.14

0.376

33

47

67 a

46

0.66

0.599

SRL

66 a, B

132 a, A

66 a, B

57 ab, B

19.42

0.002

49 a

41

33 abc

39 bc

1.49

0.270

32 A

36 A

40 ab, A

13 B

4.01

0.046

LMF

26 ab

34 bc

18 bc

37 bc

0.93

0.469

46 a, AB

14 B

45 ab, AB

52 ab, A

3.63

0.049

17

28

19 abc

16

0.47

0.711

SMF

35 ab

38 bc

20 bc

32 bc

0.54

0.670

26 ab

31

19 abc

27 cd

2.89

0.084

15

21

12 bc

16

0.81

0.522

RMF

13 b

36 c

15 c

19 c

1.76

0.231

25 ab

21

25 abc

42 bc

2.65

0.100

10

15

9 c

10

1.32

0.328

fRMF

53 ab

83 abc

56 ab

41 bc

0.73

0.561

16 b

13

15 c

8 e

0.188

0.902

27

35

20 bc

27

0.28

0.839

F

5.22

5.77

12.46

16.02

  

4.75

 

4.56

48.41

  

2.47

0.588

6.73

2.32

  

p

0.004

0.003

0.004

0.002

  

0.001

 

0.004

0.001

  

0.056

0.766

0.001

0.091

  
  1. SLA specific leaf area, SSL specific stem length, SRL specific root length, LMF leaf mass fraction, SMF stem mass fraction, RMF root mass fraction, fRMF fine root mass fraction
  2. Significance level p <0.05 is matched as italics