Cambium treatment

Tree height (cm)

TCSA (cm²)

Number of branches/shoots per tree

Average length of branches longer than 16 cm (cm)

Bourse shoots

From 2

to 15 cm

Longer than 16 cm

Top 25 cm from tip cut

Below top 25 cm on main trunk

Avg all branches/ tree

Top 25 cm from tip cut

Below top 25 cm on trunk

Total per tree

Un-treated Control

84.29a^z

2.60b

4.23cd

9.00ab

2.29ab

5.29c

7.57c

37.70b

46.63ab

44.26b

Scoring

81.14ab

2.68b

9.86ab

8.00ab

1.71abc

11.00a

12.71ab

35.20b

35.39cde

35.83bcd

Scoring + Promalin

81.71ab

2.63b

10.86a

3.00cd

1.29bc

12.86a

14.14ab

34.97b

32.56ed

32.81cd

Girdling

79.14ab

2.85b

6.14bc

10.71a

1.00c

9.57b

10.57bc

39.98b

40.49bcd

40.34bc

Girdling + Promalin

76.29bc

2.49b

10.71a

1.57d

2.00abc

13.29a

15.29a

28.03b

28.40e

28.29d

Promalin Spray

80.43ab

2.87b

5.29c

5.71c

2.43a

6.43c

8.86c

34.14b

44.36bc

42.10b

Growers’ Short Cut

70.43c

3.43a

1.29d

0.00d

2.29ab

4.86c

7.14c

87.33a

56.71a

65.16a

Significance

**

*

**

**

*

**

**

**

**

**

Actual nitrogen (g/tree)

60

85.00a

2.37a

3.00b

9.71a

1.29a

4.86a

6.15a

49.13a

51.60a

50.81a

80

83.29a

2.38a

4.29ab

8.00a

2.00a

5.86a

7.86a

40.60ab

47.54ab

47.26a

100

84.86a

2.33a

3.71ab

8.00a

1.71a

6.14a

7.85a

46.19ab

40.46ab

42.51ab

120

81.14a

2.44a

4.51ab

11.14a

2.57a

5.71a

8.28a

30.40bc

44.21ab

39.70ab

140

71.43b

2.10b

6.29a

8.71a

1.29a

7.00a

8.29a

20.45c

32.11b

30.90b

Significance

*

*

*

ns

ns

ns

ns

*

*

*

Tipping Treatment

Non-Tipped

93.71a

2.83a

4.77a

9.36a

1.43b

5.64a

7.07a

55.76a

51.89a

36.74a

Tipped

85.72b

3.06a

4.50a

8.17a

2.92a

5.67a

8.59a

52.03a

50.69a

48.42a

Significance

*

ns

ns

ns

**

ns

ns

ns

ns

ns