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The effects of nitrogen fertilization on the ultrastructure of mesophyll cells of conifer needles in northern Finland
Author(s) -
Soikkeli Sirkka,
Kärenlampi Lauri
Publication year - 1984
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.1439-0329.1984.tb00937.x
Subject(s) - picea abies , scots pine , karst , pinus <genus> , biology , ultrastructure , botany , human fertilization , nitrogen , pinaceae , forestry , agronomy , geography , chemistry , paleontology , organic chemistry
Cytological injuries in needles of Scots pine ( Pinus sylvestris L.) and Norway spruce [Picea abies (L.) Karst.] were studied at light and electron microscope level in northern Finland. Needle samples were taken from fertilized (mainly with nitrogen) and nonfertilized trees during winter 1980. The results are discussed in relation to the severe climate and growth response of the trees.