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Effects of total foliar element concentrations and particles deposited on needle surfaces on visible and cell level needle injuries were studied from Scots pines. A factor representing high foliar levels of Ni, Cu and S and low levels of Zn and Mn explained most of the variation in the number of needle age classes (r=-0.67) and tip necrosis (r=0.52). Stomatal chlorosis and other discolourations were...
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