Table 2.

Number, length, and volume of dead stubsz greater than 6 mm (0.25 in.) diameter in the canopy following 4 years of different pruning treatments on crapemyrtle. (Means are based on three stems on three trees in each treatment.)

Pruning treatmentMean number of dead stubs/treeMean length of of dead stubs (mm)Mean volume of dead stubs/tree (mm)
Headed 2- to 3-year-old wood (pollard)27.3 by3.5 (0.14 in.) b644 b
Headed 4- to 5-year-old wood (topped)105.0 c23.1 (0.91 in.) c3612 c
Not pruned0 a0 a0 a
  • z A dead stub resulting from a heading cut is the dead portion of a stem beyond the point of the closest live lateral branch, live sprout, or pollard head.

  • y Means in a column are statistically different at P < 0.01.