Genetics in and opportunities for improvement of Nordmann fir Christmas tree production

treeid: Identity for each tree mother: The female parent genotype father: The male parent genotype prov: Provenance ( in total 8 provenances) provgrps: Within each provenance, there are two groups, 'select' and 'nonselect'. 'select' indicated plus trees, 'nonselect' indicate- reference trees Site: Site (in total 10 sites) row: row ID for each site column: column ID (position) within each row for each site block: block within each site PL_SKOLE: nursery ID, four nurseries in total h2004_3: height in cm n1_3: Number of branches in the uppermost whorl was counted jul_3: Christmas tree quality was assessed by using a visual score from 1 to 9 on all trees naaltab_oct: Post-harvest needle retention evaluated on a scale from 0-7 at October naaltab_nov: Post-harvest needle retention evaluated on a scale from 0-7 at November