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Official Journal of the Japan Wood Research Society

Table 2 Mean number of cell layers in M. gigantea and E. diadenum during experimental period

From: Annual wood formation of tropical pioneer species related to stem diameters

Months

Macaranga gigantea

Endospermum diadenum

Smaller stem

Larger stem

Smaller stem

Larger stem

CC

EC

CC

EC

CC

EC

CC

EC

March

8 ± 0.58

7 ± 1.53

5 ± 2.94

3 ± 1.50

5 ± 1.29

1 ± 0.50

5 ± 1.00

1 ± 0.58

April

9 ± 1.53

5 ± 0.58

5 ± 1.89

4 ± 0.96

4 ± 1.26

3 ± 1.29

4 ± 1.15

2 ± 0.58

May

9 ± 1.15

6 ± 1.73

6 ± 4.99

3 ± 2.06

6 ± 1.29

4 ± 2.31

8 ± 0.58

6 ± 1.15

June

9 ± 1.53

6 ± 1.73

4 ± 1.26

3 ± 1.41

4 ± 0.82

2 ± 1.15

4 ± 1.00

1 ± 0.58

July

12 ± 2.08

11 ± 2.31

4 ± 1.29

3 ± 1.50

7 ± 4.65

5 ± 4.27

11 ± 1.53

10 ± 1.53

August

12 ± 3.06

13 ± 4.51

6 ± 4.08

4 ± 3.20

7 ± 4.08

4 ± 2.63

5 ± 1.00

2 ± 0.58

September

11 ± 4.16

12 ± 4.51

2 ± 0.96

2 ± 0.82

5 ± 2.16

3 ± 2.16

9 ± 1.15

9 ± 1.53

October

9 ± 4.62

8 ± 4.51

6 ± 1.50

4 ± 2.63

5 ± 3.56

3 ± 1.50

6 ± 1.15

3 ± 0.58

November

12 ± 6.43

16 ± 7.09

8 ± 1.29

5 ± 2.63

8 ± 1.29

5 ± 1.91

7 ± 2.31

6 ± 1.00

December

10 ± 8.08

10 ± 7.94

3 ± 1.29

2 ± 0.58

6 ± 0.82

3 ± 1.29

3 ± 1.00

3 ± 1.15

January

11 ± 3.79

8 ± 2.08

9 ± 2.38

6 ± 1.29

6 ± 3.86

4 ± 1.91

10 ± 0.58

7 ± 1.15

February

11 ± 4.58

6 ± 3.00

4 ± 1.41

3 ± 0.58

4 ± 0.96

2 ± 1.26

8 ± 2.31

7 ± 1.15

  1. CC: Mean number of cambial cell layers
  2. EC: Mean number of enlarging cell layers
  3. Itailc numbers indicate months of active cambial activities