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New Zealand Journal of Forestry Science

Table 4 Mean mortality and standard error (in brackets) for Pinus contorta and P. mugo by treatment and height class 24 months after treatment application

From: Dense wilding conifer control with aerially applied herbicides in New Zealand

 

Tree mortality

 

Pinus contorta

Pinus mugo

Treatment

  

R20M20

63.9 (9.60) A

36.1 (4.15) A

R15M15

31.0 (8.88) B

25.0 (6.32) B

T20W

23.3 (6.72) BC

1.05 (0.71) C

G20O

15.0 (4.95) BC

3.14 (1.72) C

G20W

8.59 (4.52) C

2.54 (1.71) C

DQ15

2.67 (1.51) C

2.38 (1.19) C

Height class

  

0 m – 2.0 m

61.7 (9.30) A

17.70 (4.34) A

2.1 m – 4.0 m

37.5 (8.04) AB

8.78 (2.86) B

4.1 m – 6.0 m

28.5 (6.95) AB

6.09 (3.49) B

6.1 m – 8.0 m

12.7 (4.24) B

 

8.1 m – 10.0 m

7.78 (7.08) B

 

10.1 m – 12.0 m

0.0 (0.0) B

 

12.1 m – 14.0 m

0.0 (0.0) B

 

14.1 m – 16.0 m

0.0 (0.0) B

 
  1. As the terms treatment and height class were significant for both species results from multiple comparison tests are shown. Least square means followed by the same letter are not significantly different at p < 0.05.
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