TABLE 1

Summary of mean (± 1 SE) life span of Oregon and 2b parental lines and their F1 hybrids by sex and density

EnvSexOre (O) × Ore2b (B) × 2bO♀ × B♂B♀ × O♂
LD32.2 ± 3.133.5 ± 4.054.7 ± 1.852.0 ± 5.0
44.6 ± 3.039.9 ± 3.760.2 ± 3.352.3 ± 8.7
HD36.0 ± 3.440.9 ± 2.865.3 ± 2.755.5 ± 1.3
35.0 ± 5.234.9 ± 3.460.0 ± 7.161.5 ± 2.1
  • Env, environment; LD, low density; HD, high density.