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The effect of temperature and humidity conditions on the expression of deicing salt spray injury was investigated using terminal buds and stem sections of Norway maple ( Acer platanoides L. cv. Emerald Queen). Loss of viability was associated with sodium chloride treatments and appeared in both high (8.3°C) and low (0°) temperatures. Tissue moisture (%) was significantly lower in low moisture (phosphorous pentoxide) atmospheres and in sodium chloride treatments. Penetration of both Na + and Cl - ions as evidenced by electron micro-probe analysis occurred throughout stem tissues. Deicing salt spray injury in Norway maple appears to be related to penetration of phytotoxic ions and not directly associated with moisture loss through osmotic stress.
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Barrick et al. (1980) studied this question.
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