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Growth and visible responses of Scots pine (Pinus sylvestris L.) seedlings to simulated summer frost
Author(s) -
Holopainen K.
Publication year - 1988
Publication title -
european journal of forest pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.535
H-Index - 49
eISSN - 1439-0329
pISSN - 0300-1237
DOI - 10.1111/j.1439-0329.1988.tb00757.x
Subject(s) - scots pine , shoot , pinus <genus> , frost (temperature) , horticulture , biology , botany , dry weight , woody plant , geography , meteorology
Scots pine seedlings, 20–30 days old, were exposed to simulated summer frost in controlled environment growth chambers. The responses observed showed extreme variation between individual seedlings; seedlings suffering from needle‐necrosis, healthy‐looking, and dead seedlings were found in the same treatment. Four days exposure to temperatures below –4.5°C caused multiple‐leaders maximally in 7.7 % of the pine seedlings and resulted in decreased shoot and root dry weight and shoot length.