marginally significantP = 0.0674
seed quality) was significant, with the quadratic selection gradient for this principal component being marginally significant ( P = 0.0674).
seed quality) was significant, with the quadratic selection gradient for this principal component being marginally significant ( P = 0.0674).
With respect to main effects of treatments, a highly significant effect of the watering regimes was found in Experiment 1 for all traits except for maximum height growth rate (parameter b of the Gompertz function) (Table 2 ).