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Studies on Sugars and Starch in Light‐ and Dark‐Germinated Seeds of Scots Pine ( Pinus silvestris )
Author(s) -
Nyman Bengt
Publication year - 1969
Publication title -
physiologia plantarum
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.351
H-Index - 146
eISSN - 1399-3054
pISSN - 0031-9317
DOI - 10.1111/j.1399-3054.1969.tb07397.x
Subject(s) - raffinose , stachyose , scots pine , sucrose , fructose , germination , darkness , starch , phytochrome , seedling , botany , chemistry , mannitol , carbohydrate , galactose , pinus <genus> , biology , food science , biochemistry , red light
Stachyose, raffinose and sucrose have been tentatively identified in ungerminated Scots pine seeds with paper chromatography and TLC. After the onset of the germination process even glucose and fructose were detected. No free galactose has been found. The occurrence and distribution of starch has been investigated with histochemical technique. The same substances have been quantitatively studied during the first 24 hours of the germination in light and darkness. This was done with an enzymatic technique alone or in combination with TLC. The evidence of a light influence on the transformations of starch, glucose and fructose has been discussed in relation to the phytochrome mechanism.