Table 2.

Mean (±SE) percentage leaf damage, based on missing leaf tissue, by Japanese beetle, Popillia japonica (Newman), adults for each rose genotype in the 2002 and 2003 multiple-choice experiments with 40 replications per rose genotype.

Rose genotypen2002 (mean ± SE)2003 (mean ± SE)
Nearly Wild4057.2 ± 5.69 a*52.4 ± 5.89 a
Cabbage4052.7 ± 4.61 a64.4 ± 4.78 a
Crimson Bouquet4034.6 ± 3.19 b47.8 ± 4.69 a
Love and Peace4034.8 ± 3.67 b52.1 ± 5.59 a
Knock Out4040.2 ± 3.72 b51.0 ± 4.49 a
  • * Means within a column not followed by a common letter are significantly different (P = 0.05) as determined by a Tukey’s mean separation test.