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Level of sugars in Scots pine trees of different sensitivity to fluoride and sulphur dioxide
Author(s) -
Mejnartowicz L. E.,
Lukasiak H.
Publication year - 1985
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.1439-0329.1985.tb00885.x
Subject(s) - fructose , dry weight , scots pine , biology , sulfur dioxide , horticulture , botany , fluoride , zoology , food science , chemistry , pinus <genus> , ecology , inorganic chemistry
On the average there is in the needles of the studied pines 1.9 and 4.9% of reducing sugars in the fresh and dry weight of wintertime needles respectively. There is 1.4% glucose of needle fresh weight (3.0% of needle dry weight) while for fructose the corresponding values are 0.8 and 2.1%. The relative ratio of glucose to fructose was on the average 1.33. Trees more tolerant to fluorides and sulphur dioxide emitted from the phosphate fertilizers factory have a statistically significant lower level of directly reducing sugars in the dry weight of needles (37.1 mg/g) compared to sensitive trees (50.5 mg/g). The control (more tolerant trees) accumulate more glucose and fructose than sensitive ones.