For T. hubertiana and T. recurvata, we performed logistic analyses of covariance.
For these species, the response variable was the pooled number of seeds germinated in the three Petri dishes, while time (number of days from harvest) and its quadratic transformation were explanatory continuous variables.
The effect of storage temperature was a factor.
In all logistic analyses, the logit link function was used (Kleinbaum and Klein, 2010; Crawley, 2013).