Table 3 The MLEs and their sampling errors (SE, in the parentheses) of the QTL position, time-invariant QTL effects on growth curves (expressed in the Legendre polynomials), QTL effect on the time to first flower, residual variance and residual correlation under the log-transformed model for the interspecific poplar hybrid mapping population.

LR

LR _y

LR _z

Location

$\widehat{u}$ _{j 0}

$\widehat{u}$ _{j 1}

$\widehat{u}$ _{j 2}

$\widehat{u}$ _{j 3}

$\widehat{u}$ _{j 4}

$\widehat{u}$ _{j 5}

${\widehat{\sigma }}_y^2$

$\widehat{\rho }$ _y

$\widehat{v}$ _j

${\widehat{\sigma }}_z^2$

$\widehat{\eta }$