Table 2. Mean (±s.e.), CVA and h i 2 estimates (±s.e.) for different traits assessed in control (constitutive) and MJ-treated (induced) seedlings of P. radiata.
Trait |
Constitutive |
Induced |
Inducibility |
||||
---|---|---|---|---|---|---|---|
Mean | CVA | hi2 | Mean | CVA | hi2 | hi2 | |
Height (cm) | 76.4±1.0 | 11.5 | 0.53±0.14 | 71.2±1.0 | 12.6 | 0.62±0.18 | 0.66±0.48 |
Diameter (mm) | 6.94±0.09 | 3.6 | 0.06±0.03 | 6.79±0.08 | 3.4 | 0.06±0.04 | — |
Non-volatile resin (mg g−1) | 16.6±0.5 | 79.3 | 0.91±0.20 | 19.8±0.4 | 36.2 | 0.28±0.44 | 1.03±0.47 |
Total phenolics (mg g−1) | 32.1±0.9 | 13.9 | 0.18±0.11 | 37.3±1.0 | 21.6 | 0.47±0.08 | 0.22±0.61 |
Damage by H. abietis (mm2) | 21.9±0.8 | 0.0 | — | 18.0±0.8 | 0.0 | — | — |
Damage by T. pytiocampa (mg) | 3.48±0.19 | 24.5 | 2.04±1.29 | 2.52±0.1 | 14.1 | 0.58±1.47 | 1.43±0.44 |
Abbreviations: CVA, additive genetic coefficient of variation; hi2, individual heritability; MJ, methyl jasmonate.
Heritability estimates of the plastic changes after MJ induction (inducibility) are also shown for those traits with significant family variation.