Vinterklimat och vårbakslag : lufttemperatur och kådflödessjuka hos gran i södra Sverige
The rapidly developing and widely distributed resin flow syndrom in Norway spruce (Picea abies) in southern Sweden has an unknown cause. One suggestion for its cause is the occurence of six "abnormally" mild winters from 1987/88 to 1992/93. This situation, together with hard spring frost is supposed to pose an unfavourable climatic combination for spruce. Daily temperature data (mean, ma
