Table 1.

Mean comparisons between silver and Norway maple at branch failure.

SpeciesCrotch angle* (degree)Specific gravity (gm/cm3)Bending stress (newtons/cm2)Moment (newton meters)
Silver maple56.7 a0.52 a2970 a3009 a
Norway maple62.6 a0.62 b2451 a3521 a
LSD (0.05)8.50.028811842
  • Means in columns followed by the same letter are not significantly different.

  • * Mean crotch angles for this study may not be representative over the species since large limbs could not be broken with the technique employed.