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Table 2 Average speed based on the curvature of the 50 least curved and 50 most curved stems

From: Effects of curvature in hybrid poplar on acoustic velocity at the tree level

Log length (m)

Curvature category

Curvature threshold (mm)

Mean velocity (km s-1)

Pr(>F)

3

Smallest 50 logs

<= 63

5.77

0.0013**

3

Largest 50 logs

>= 84

6.28

 

6

Smallest 50 logs

<= 79

5.80

0.012*

6

Largest 50 logs

>= 107

6.20