Table 6 (a) Mean growth performances and (b) wood properties of EL, JL and HL clones when grafted onto JL and HL rootstocks (trial 3, age 13)

(a)

Combination rootst./scion

Height (cm)

BH girth (mm)

Ring width (mm)

Mean

SD

p.adj

Mean

SD

p.adj

Mean

SD

p.adj

HL/EL

1089.6

9.9

390.9

5.7

6.22

0.14

JL/EL

1010.5

14.9

1.07E − 05

338.5

8.6

3.54E − 07

5.40

0.23

0.0026

HL/JL

1228.4

7.1

544.1

4.1

8.69

0.11

JL/JL

1180.0

9.7

5.82E − 05

479.3

5.5

1.05E − 20

7.62

0.13

0.0000

HL/HL

1319.5

5.9

533.4

3.4

8.65

0.09

JL/HL

1241.3

8.4

2.88E − 14

459.2

4.8

5.86E − 36

7.38

0.12

0.0000

(b)

Combination rootst./scion

Latewood proportion (%)

Density (kg/m³)

Heartwood proportion (%)

Mean

SD

p.adj

Mean

SD

p.adj

Mean

SD

p.adj

HL/EL

20.6

0.4

405.4

2.9

50.8

1.0

JL/EL

21.3

0.6

0.2925

399.1

5.3

0.2980

48.0

1.7

0.1592

HL/JL

16.8

0.3

383.8

2.3

59.0

0.8

JL/JL

17.8

0.4

0.0252

387.4

2.9

0.3363

55.5

0.1

0.0056

HL/HL

18.2

0.2

396.4

1.9

57.1

0.6

JL/HL

19.5

0.3

0.0010

402.2

2.6

0.0709

54.3

0.9

0.0113