Blar i NIBIO RAPPORT på forfatter "Johnsen, Øystein"
-
Weak relationships between injuries in freezing tests and performance in short-term and field trials of Norway spruce families from Stange Seed Orchard
Skrøppa, Tore; Johnsen, Øystein; Steffenrem, Arne (NIBIO Rapport, Research report, 2023)Artificial freezing tests were performed on seedlings from Norway spruce families at the end of the first growing season. Similar tests were made on twigs collected from trees in a progeny test at the end of growing season ...